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Oki MB461 MFP Maintenance Manual

Summary of MB461 MFP

  • Page 1

    Mb461 / mb471 / mb491 / mb491+ / mb491+lp/ mps4200mb /mps4700mb maintenance manual 031314c.

  • Page 2

    Copyright information copyright © 2014 by oki data. All rights reserved disclaimer every effort has been made to ensure that the information in this document is complete, accurate, and up-to- date. The manufacturer assumes no responsibility for the results of errors beyond its control. The manufactu...

  • Page 3

    44871001th rev.6 iii / oki data confidential this manual explains the maintenance methods of multi- function printer(mfp).The target model is as follows. Mb441/mb451/mb451w/mb461/mb461+lp/mb471/mb471w/mb491/mb491+/mb491+lp/ es4161 mfp/es4191 mfp/mps4200mb/mps4700mb this manual is prepared for the ma...

  • Page 4

    44871001th rev.6 iv / oki data confidential contents contents 1. Configuration .................................................................1-1 1.1 system configuration ......................................................................................1-2 1.2 structure of mfp ...................

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    44871001th rev.6 v / oki data confidential contents 4. Replacement of parts .................................................4-1 4.1 notes on replacement of parts .........................................................................4-2 4.2 part replacement procedure ................................

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    44871001th rev.6 vi / oki data confidential 6.3 maintenance utility .........................................................................................6-11 6.3.1 maintenance utility ...................................................................................6-11 6.4 self-diagnostic mode...

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    44871001th rev.6 vii / oki data confidential 10.2.1 overview ..................................................................................................10-9 10.2.1.1 function ............................................................................................10-9 10.2.1.2 exterior and...

  • Page 8

    Oki data confidential 1. Configuration 1.1 system configuration ...................................................................1-2 1.2 structure of mfp .........................................................................1-3 1.3 offer of options .................................................

  • Page 9

    Oki data confidential 44871001th rev.6 1-2 1. Configuration mhe (pcb) mhd (pcb) mfa-asic ddr2-dram (128mb) spi rom (boot) uart/spi/gpio spi sstl2 modem local bus arm9 usbd usb hub ic afe ic motor drv ic rtc nandflash (64mb ) (program/faxdata) clutch/solenoid drive circuit us b sdaa amp spk mcu lcd k...

  • Page 10

    Oki data confidential 44871001th rev.6 1-3 1. Configuration 1.2 structure of mfp the insides of multi function printers are composed of the following parts. • scanner part • electronic photography process part • paper path • control part (cu part/pu part) • power supply parts (high voltage part/low ...

  • Page 11

    Oki data confidential 1. Configuration 44871001th rev.6 1-4 1.3 offer of options this product can be installed with the following option. (1) second tray unit.

  • Page 12

    Oki data confidential 1. Configuration 44871001th rev.6 1-5 1.4 specifications fundamental specifications category item edt (entry desk top) model mb461/ es4161 mfp mb471/ mb471w mb491/ es4191 mfp/ mps4200mb mb441 mb451/ mb451w printer engine speed a4/letter, simplex 29 ppm 33/35 ppm 40/42 ppm resol...

  • Page 13

    Oki data confidential 44871001th rev.6 1-6 1. Configuration category item mb441/ mb461/ es4161 mfp mb451/ mb471 mb451w/ mb471w mb491/ es4191 mfp/ mps4200mb/ operating environ- ment (humidity) during operation 20% - 80%, 50% - 70% (print quality assurance humidity), maximum wet-bulb temperature 25°c ...

  • Page 14

    Oki data confidential 44871001th rev.6 1-7 1. Configuration category item mb461+lp mb491+/ mb491+lp/ mps4700mb printer engine speed a4/letter, simplex 45.5/47 ppm resolution max. Resolution 2400 x 600dpi 1200 x 1200dpi input tray 1st tray 250 sheets ( 2nd tray 530 sheets ( option mp tray single shee...

  • Page 15

    Oki data confidential 44871001th rev.6 1-8 1. Configuration category item mb461+lp mb491+/ mb491+lp/ mps4700mb operating environ- ment (humidity) during operation 20% - 80%, 50% - 70% (print quality assurance humidity), maximum wet- bulb temperature 25°c during non-operation 10% - 90%, maximum wet-b...

  • Page 16

    Oki data confidential 44871001th rev.6 1-9 1. Configuration printer section specifications category item mb461/ mb461+lp/ es4161 mfp mb471 mb471w mb491/ mb491+/ mb491+lp/ es4191 mfp/ mps4200mb/ mps4700mb print width print width a4 horizontal engine speed a4/letter, simplex 33/35ppm *for mb461+lp 45....

  • Page 17

    Oki data confidential 44871001th rev.6 1-10 1. Configuration network specifications item description connection ethernet 10baset/100basetx automatic negotiation communication protocol tcp/ip v4, tcp/ip v6, lpr, port9100, ipp, ftp, smtp, pop3, http, https, telnet, netbios over tcp, snmp trap, snmpv1,...

  • Page 18

    Oki data confidential 44871001th rev.6 1-11 1. Configuration copy function categories description copy resolution scan: 300x300dpi, 300x600dpi, 600x600dpi print: 600x600dpi document size flatbed a4, a5, a6, b5, executive, letter * mb461+lp, mb491+lp , mps4700mb can use legal13, legal 13.5, legal 14 ...

  • Page 19

    Oki data confidential 44871001th rev.6 1-12 1. Configuration item setting description document type text/photo, text, photo, photo (glossy) allows the user to select the type of images on the document and optimizes the image quality for the image to be scanned according to the selected type. With "b...

  • Page 20

    Oki data confidential 44871001th rev.6 1-13 1. Configuration items setting description contrast -3, -2, -1, 0, +1, +2, +3 adjusts the difference between the light and dark areas of an image. Saturation adjustment (in color mode only) -3, -2, -1, 0, +1, +2, +3 adjusts the saturation of an image. Hue ...

  • Page 21

    Oki data confidential 44871001th rev.6 1-14 1. Configuration items setting description change the docum- ent not allowed commenting allowed page layout allowed * 3 page inserting, deleting, or rotating allowed. * 4 all operations but page extraction allowed * 3 applicable only when encryption level ...

  • Page 22

    Oki data confidential 44871001th rev.6 1-15 1. Configuration scantonetworkpc function items description protocol ftp, http, cifs server max. Number of file server settings 50 units separation limit n/a ftp passive mode yes encryption yes (ftps/https) scantousb memory function items description inter...

  • Page 23

    Oki data confidential 44871001th rev.6 1-16 1. Configuration item description interface (pc mfp) usb2.0 (high speed), ethernet (10/100 base-t) scan mode scan method flatbed, adf, auto * in options direction (left/upper) and duplex can be selected. * 2 * in auto, document is first scanned from adf an...

  • Page 24

    Oki data confidential 44871001th rev.6 1-17 1. Configuration fax specification function description basic fax function fax, tel line pstn, pbx line interface rj11 × 2 (line1, tel1) external phone support image memory size 4mb (flash memory) storage capacity 200 pages (itu-t no1 chart a4) compatibili...

  • Page 25

    Oki data confidential 44871001th rev.6 1-18 1. Configuration function description rx function (receive) automatic receive support manual receive support standby mode fax support manual support fax/tel support ans/fax(tad) support drd support receive mode memory receive yes real-time receive n/a send...

  • Page 26

    Oki data confidential 44871001th rev.6 1-19 1. Configuration function/item description ifax file format send tiff-s file format supported in internet fax send. Tiff-f file format supported in internet fax send. Receive tiff-s file format supported in internet fax received. Tiff-f file format support...

  • Page 27

    Oki data confidential 44871001th rev.6 1-20 1. Configuration report print no report name manual auto op panel configuration tool web page special operations 1 configuration yes no no no no 2 file list yes no no no no 3 error log yes no no no no 4 demo page yes no no no no 5 mfp usage report yes no n...

  • Page 28

    Oki data confidential 44871001th rev.6 1-21 1. Configuration item description interface usb2.0 (high speed) host if storage device usb memory (recognized up to 32gb) file system fat12, fat (fat16), fat32 usb port below the operator panel on the device’s front side printable file format jpeg, pdf (v1...

  • Page 29

    Oki data confidential 44871001th rev.6 1-22 1. Configuration information provided (displayed) comment path can be displayed in japanese (maximum length 2-byte code : 255 characters) name can be displayed in japanese (maximum length 2-byte code : 255 characters) type file or directory only size file ...

  • Page 30

    Oki data confidential 44871001th rev.6 1-23 1. Configuration auto delivery function (for mb491/mb491+/mb491+lp/ es4191 mfp/mps4200mb/mps4700mb) items sd card has to be installed auto delivery settings input method from product web page * 1 delivery data input source fax receive, email receive, inter...

  • Page 31

    Oki data confidential 44871001th rev.6 1-24 1. Configuration item description access control yes copy color enabled / color disabled / printing disabled print color enabled / color disabled / printing disabled in addition, printing disabled / forced to print in mono in case of color disabled scan to...

  • Page 32

    Oki data confidential 1. Configuration 44871001th rev.6 1-25 1.5 interface specifications 1.5.1 usb interface specification 1.5.1.1 outline of usb interface (1) basic specification usb (2) transmission mode hi speed (480mbps±0.05% max.) (3) power control self power device 1.5.1.2 usb interface conne...

  • Page 33

    Oki data confidential 44871001th rev.6 1-26 1. Configuration 1.5.2 network interface specification 1.5.2.1 outline of network interface table 1.5.2 basic specification of network interface protocol family network protocol application tcp/ip ipz4, tcp, icmp, udp lpr, raw snmpv1 dhcp/bootp http 1.5.2....

  • Page 34

    Oki data confidential 44871001th rev.6 1-27 1. Configuration 1.5.3 telephone line interface specification (mb451/mb451w/mb471/mb471w/mb491/mb491+/ mb491+lp/es4191 mfp/mps4200mb/mps4700mb) 1.5.3.1 outline of telephone line interface the machine will reliably communicate with distant stations over voi...

  • Page 35

    Oki data confidential 44871001th rev.6 1-28 1. Configuration 1.5.5 wireless lan interface(mb451w/mb471w) 1.5.5.1 outline of wireless lan (1) specification ieee 802.11b/g/n (2.4ghz) (2) power connector usb micro b (3) power supply voltage 5v (4) mfp side interfaces ieee 802.3u 10/100base (lan port) u...

  • Page 36

    Oki data confidential 2. Operational explanation 2.1 electrophotographic process mechanism ....................................2-2 2.2 printing process ............................................................................2-6 2.3 toner entrance detection ..........................................

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    Oki data confidential 2. Description of operation 44871001th rev.6 2-2 (1) electrophotographic process the following describes the overview of electrophotographic process. 1. Charging equally charge the surface of image drum by implying negative voltage to the charged roller due to negative charge. ...

  • Page 38

    Oki data confidential 44871001th rev.6 2-3 2. Description of operation 3. Image development toner is attracted to the electrostatic latent image on the image drum surface, then the electrostatic latent image changes to toner image. 1. As the roller on the supply spot of toner rotates while scrubbing...

  • Page 39

    Oki data confidential 44871001th rev.6 2-4 2. Description of operation 4. Transfer the transfer roller, which is from conductive sponge material, is created to meet intimate attachment of image drum roller surface and feeding paper. The feeding paper is set up on the surface of image drum. Plus char...

  • Page 40

    Oki data confidential 44871001th rev.6 2-5 2. Description of operation transfer roller id unit waste toner area image drum cleaning blade light guide part for electricity-removing light charging roller opc drum electricity-removing light 6. Drum cleaning after completion of transfer, the toner remai...

  • Page 41

    Oki data confidential 2. Description of operation 44871001th rev.6 2-6 2.2 printing process ： paper level indicator lever ： driven roller ： driving roller (continuous rotation) ： driving roller (control rotation) ： paper conveying route ： indicating lever ： photo sensor ： micro switch ： magnetic clu...

  • Page 42

    Oki data confidential 44871001th rev.6 2-7 2. Description of operation (1) paper feeding from tray 1 1. As dc motor rotating (clockwise rotation), if set the paper feeding clutch as on, as the paper feeding roller and pick up roller rotating, the paper that is inside the tray is conveyed. 2. The pap...

  • Page 43

    Oki data confidential 44871001th rev.6 2-8 2. Description of operation (4) paper reversing and paper multi-feeding 1. In a certain period of time after the paper rear end passes the eject sensor lever, the eject motor runs backward (clockwise) and then the eject roller rotates in the reverse directi...

  • Page 44

    Oki data confidential 2. Description of operation 44871001th rev.6 2-9 2.3 toner entrance detection 2.3.1 toner sensor detection principle toner low is detected by the toner sensor (reflect sensor) installed in the printer. The light shield plate is installed in the id, and its rotation is synchroni...

  • Page 45

    Oki data confidential 2. Description of operation 44871001th rev.6 2-10 2.4 image scanning process 2.4.1 structure and process of radf 2.4.1.1 cross-section view paper tray regist roller paper guide pressure roller pick-up roller paper weight friction pad exit roller feed roller upper pinch roller s...

  • Page 46

    Oki data confidential 44871001th rev.6 2-11 2. Description of operation 2.4.1.3 fundamental operations drive force trasmission diagram the mfp is a document feed device of skim reading only. Drive force diagram of the mfp is shown below. [1] adf board(mhd) [5] feed and transport motor drive signal [...

  • Page 47

    Oki data confidential 44871001th rev.6 2-12 2. Description of operation normal direction feed paper and unload paper (single-sided document → single sided print) operation outline of document flow is shown below. Supplement : when a single-sided document is selected, this operation is performed rega...

  • Page 48

    Oki data confidential 44871001th rev.6 2-13 2. Description of operation normal direction feed paper/inverted unloading of paper (both-sided document → both sided print) operation outline of document flow is shown below. Supplement : when a both-sided document is selected, this operation is performed...

  • Page 49

    Oki data confidential 44871001th rev.6 2-14 2. Description of operation 2.4.1.4 document detection document present/absent detection document present/absent detection on the document tray is performed by document set sensor (pi14). When a document is placed on th edocument tray, the detection lever ...

  • Page 50

    Oki data confidential 44871001th rev.6 2-15 2. Description of operation 2.4.1.5 jam detection document jam is detected by the sensors shown in the illustration.Check timing of the document jam detection has already been memorized in the rom of the sensor main pcb beforehand so that jam occurrence ca...

  • Page 51

    Oki data confidential 44871001th rev.6 2-16 2. Description of operation 2.4.2.2 exposure block 1. Light source led (r, g, b) is used toirradiate light to document. 2. Rod lens the reflected light from document is again reflected to the cmos sensor. 2 1 2.4.2.3 carraige-assy drive mechanism carriage-...

  • Page 52

    Oki data confidential 3. Mfp installation 3.1 precautions and prohibition ..........................................................3-2 3.2 mfp unpacking procedure .........................................................3-3 3.3 mfp installation instructions ............................................

  • Page 53

    Oki data confidential 3. Mfp installation 44871001th rev.6 3-2 3.1 precautions and prohibition warning • donotinstallthemfpinthevicinityofhightemperatureorfire. • do not install the mfp at the place where a chemical reaction may take place (laboratory, etc.). • donotinstallthemfpnearflammablesolutio...

  • Page 54: Warning

    Oki data confidential 44871001th rev.6 3-3 3. Mfp installation 3.2 mfp unpacking procedure warning personal injury may occur. This mfp weighs about 20kg. So lift it up with 2 or more persons. • open the upper lid. • take out the accessory box. • remove the upper buffer material. • takeouttheequipmen...

  • Page 55

    Oki data confidential 3. Mfp installation 44871001th rev.6 3-4 3.3 mfp installation instructions • install the mfp at a place under the following temperature and humidity: ambient temperature : 10 to 32°c ambient humidity : 20 to 80% relative humidity maximumwet-bulbtemperature :25°c • be careful no...

  • Page 56: Warning

    Oki data confidential 3. Mfp installation 44871001th rev.6 3-5 3.4 packed units and attachments • confirm whether there are scratches, stains, etc. On the exterior of the mfp. • confirm whether there are lacking items, damages, etc. Among the accessories. • if anything unusual is found, contact the ...

  • Page 57

    Oki data confidential 3. Mfp installation 44871001th rev.6 3-6 3.5 assembly procedure 3.5.1 mfp main body removeprotectiveequipment (1) lift the machine and place it where it is to be installed. Note! Donotopenthescannerunittilltheprocedureno.9iscompleted. (2) remove the protection tapes at the top ...

  • Page 58

    Oki data confidential 44871001th rev.6 3-7 3. Mfp installation (5) close the mp tray. (6) open the document glass cover. (7) remove the protection tapes. Opentheadfandremovepackagingtapes. (8) close the document glass cover. Now, you can open or close the scanner. (9) open the scanner unit. (10) rem...

  • Page 59

    Oki data confidential 44871001th rev.6 3-8 3. Mfp installation (12) lift the image drum from printer. Note! • donotexposeimagedrumtolightformorethan5minutes • donottouchshinygreensurfaceatbottomofimagedrum. (13) remove the silica gel pack before installation. (14) reinstall the image drum in the pri...

  • Page 60

    Oki data confidential 44871001th rev.6 3-9 3. Mfp installation loading paper in tray 1 and tray 2 the following procedure explains how to load paper in tray 1 or tray 2 (optional). Memo! The following procedure uses tray 1 as an example but the same is applied to tray 2. (1) pull out the paper tray....

  • Page 61

    Oki data confidential 44871001th rev.6 3-10 3. Mfp installation (5) load paper with the print side face down. Note! Donotloadpaperabovethefillline(3). Fill line [ ] (6) push the paper tray until it stops. Register the loaded paper on the machine. Proceed to "configuring the tray settings" p. 3-22. L...

  • Page 62

    Oki data confidential 44871001th rev.6 3-11 3. Mfp installation (4) adjust the manual feeding paper guide to the width of paper to be loaded.. (5) insert the paper with the print side face up until its edge touches the paper feed entrance. Note! Donotloadpaperabovethefillline. (6) press the set butt...

  • Page 63

    Oki data confidential 44871001th rev.6 3-12 3. Mfp installation loading paper on the manual feeder (mb441/mb461/mb461+lp) the following procedure explains how to load paper on the manual feeder. (1) open the manual feeder. (2) adjust the manual feeding paper guide to the width of paper to be loaded....

  • Page 64

    Oki data confidential 44871001th rev.6 3-13 3. Mfp installation loadingdocumentsontheadf (1) loadyourdocumentsfaceupontheadf. If your documents are portrait, load them with the top edge of the documents in first. If your documents are landscape, load them with the left edge of the documents in first...

  • Page 65

    Oki data confidential 44871001th rev.6 3-14 3. Mfp installation 3.5.2 power cable connection conditions for power supplies • observe the following conditions: alternatecurrent(ac) :110 ~127vac(range 99~140vac)/220~240vac(range 198~264vac) powersupplyfrequency:50hzor60hz±2% • use a voltage regulator ...

  • Page 66

    Oki data confidential 44871001th rev.6 3-15 3. Mfp installation turning off the machine (1) hold down the power switch for about a second. Note! Press the power switch for less than 5 seconds. The message [shutdown in progress. Please wait. The machine turns off automatically.] appears in the operat...

  • Page 67

    Oki data confidential 44871001th rev.6 3-16 3. Mfp installation 3.5.3 installation of optional components this section explains how to install options. The following options are available: •secondtrayunit (for mb461/mb461+lp/mb471/mb471w/mb491/mb491+/mb491+lp/es4161 mfp/ es4191 mfp/mps4200mb/mps4700...

  • Page 68

    Oki data confidential 44871001th rev.6 3-17 3. Mfp installation (4) attach the lock parts. (5) plug the ac cable and ethernet or usb cable into the machine, and then push the power switch..

  • Page 69

    Oki data confidential 44871001th rev.6 3-18 3. Mfp installation printerdriverconfiguration the procedure differs according to which driver installed on the computer. Important • youmustbeloggedinasanadministratortocompletethisprocedure. • windowspclxpsprinterdriverisnotavailableforwindowsserver 2003...

  • Page 70

    Oki data confidential 44871001th rev.6 3-19 3. Mfp installation (4) for the network connection, select [get installed options automatically] under [installable options], and then click [setup]. For the usb connection, select [installed] for [second tray] under [installable options]. (5) click [ok]. ...

  • Page 71

    Oki data confidential 3. Mfp installation 44871001th rev.6 3-20 3.6 configuration page print make sure that the mfp operates normally. (1) from the panel, press "setting" button. (2) select "reports". (3) select "configuration". (press the down button to go to "configuration" and then press the righ...

  • Page 72

    Oki data confidential 44871001th rev.6 3-21 3. Mfp installation (sample) mb471 (sample) mb491.

  • Page 73

    Oki data confidential 3. Mfp installation 44871001th rev.6 3-22 3.7 network information print make sure that the mfp operates normally. (1) from the panel, press "setting" button. (2) select "reports". (3) select "system". (4) select "network information". (press the down button to go to "network in...

  • Page 74

    Oki data confidential 3. Mfp installation 44871001th rev.6 3-23 3.8 connection procedures prepare a usb cable. Note! • the cable of the mfp is not attached. Users should buy seperately. • obtain the cable of usb specification by yourself. • use the usb cable of hi-speed specification in case the con...

  • Page 75

    Oki data confidential 44871001th rev.6 3-24 3. Mfp installation prepare the lan cable. Switch off the power of the mfp and computer. Connect the computer and mfp. (1) plug one end of the ethernet cable into the network connection on the back of the mfp. (2) plug the other end of the ethernet cable i...

  • Page 76

    Oki data confidential 44871001th rev.6 3-25 3. Mfp installation prepare the tel cable and line cable. Connecting for fax only (1) plug one end of the [telephone cable] into the [line connection] of the machine and the other end into a [public line (analog)]. Note! Connect telephone cable to [line co...

  • Page 77

    Oki data confidential 44871001th rev.6 3-26 3. Mfp installation (3) plug the external telephone's cable into the [tel connection] of the machine. Whenyouconnectthetelephonetothemachineanduseit,removethe[telephone connector cover] into the [tel connection] and then connect it. The telephone that is c...

  • Page 78

    Oki data confidential 3. Mfp installation 44871001th rev.6 3-27 3.9 checking of user paper load the media used by the user in the printer, make media weight/media type setting, print outmenumap/demopage,andcheckprintoutstomakesurethatnotonerflakesoff. Type weightorthickness settings on the operator ...

  • Page 79

    Oki data confidential 4. Replacement of parts this chapter describes the procedures of the field replacement of parts, assemblies and units. The procedures are to detach them. Reverse the procedures to attach them. The reference part numbers used in this manual (such as and ) do not identical to the...

  • Page 80: Warning

    44871001th rev.6 4-2 oki data confidential 4.Replacement of parts 4.1 notes on replacement of parts (1) prior to replacing a part, unplug the ac cord and the interface cable. (a) be sure to use the following procedure to unplug the ac cord: turn off the printer [hold down the power switch for about ...

  • Page 81

    44871001th rev.6 4-3 oki data confidential 4.Replacement of parts maintenance tools: table 4-1-1 shows the tools necessary to replace printed-circuit boards and units: table 4-1-1: maintenance tools no. Maintenance tool quantity use remarks 1 phillips screwdriver with magnetic tip, no. 2-200 1 3- to...

  • Page 82

    44871001th rev.6 4-4 oki data confidential 4.Replacement of parts 4.2 part replacement procedure this section describes the procedure for replacing the parts and assemblies shown in the disassembly diagrams below. 4.2.1 cover side (l) (1) remove the cassette assembly. (2) open the scanner, cover-ass...

  • Page 83

    44871001th rev.6 4-5 oki data confidential 4.Replacement of parts 4.2.2 cover side(r) / sd card (1) remove the plate shield (accesse) . (for mb491/mb491+/mb491+lp/es4191 mfp/ mps4200mb/mps4700mb) (2) remove the sd card . (for mb491/mb491+/mb491+lp/es4191 mfp/mps4200mb/mps4700mb) (3) remove the casse...

  • Page 84

    44871001th rev.6 4-6 oki data confidential 4.Replacement of parts 4.2.3 board 98m (1) remove the cover side (r). (refer to 4.2.2) (2) remove four screws (silver) , and remove the plate shield (cu) . ④ board 98m ③ (3) remove four screws (silver) to detach the board 98m . Lan acc ① ① ② ① ① ② ② view a ...

  • Page 85: Warning

    44871001th rev.6 4-7 oki data confidential 4.Replacement of parts 4.2.4 pwr unit warning electric shock hazard when replacing the low-voltage power supply, electric shock may occur. Wear insulated gloves, or be careful not to touch the conductors or terminals of the power supply directly. After the ...

  • Page 86

    44871001th rev.6 4-8 oki data confidential 4.Replacement of parts (note on removing / installing) 1. Assemble the power to main body in accordance to the groove on guides (2 points). Guide.

  • Page 87

    44871001th rev.6 4-9 oki data confidential 4.Replacement of parts 4.2.5 cover stay(r) / cover stay(l) (1) remove the cover-side (l). (refer to 4.2.1) (2) remove the cover stay (l) . (3) remove the cover side (r) . (refer to 4.2.2) (4) remove the screw (black) to detach the cover-stay(r) . ③ ① ②.

  • Page 88

    44871001th rev.6 4-10 oki data confidential 4.Replacement of parts 4.2.6 cover front (top) (1) remove the cover side (r) and cover side (l). (refer to 4.2.1 and 4.2.2) (2) remove two-screws (black) to detach the cover front (top) . ① ② ① ②.

  • Page 89

    44871001th rev.6 4-11 oki data confidential 4.Replacement of parts 4.2.7 sw assy (1) remove the cover side (r). (refer to 4.2.2) (2) close the frame-assy-mpt. (3) remove the cable. (4) remove the screw (silver) and to detach the sw assy . ① ② view a cable view a.

  • Page 90

    44871001th rev.6 4-12 oki data confidential 4.Replacement of parts 4.2.8 scanner unit (1) remove the cover side (l) and the cover side (r). (refer to 4.2.1 and 4.2.2) (2) remove the cover stay (r) and cover stay (l). (refer to 4.2.5) (3) remove the screw (silver) , and remove the fg-cable from guide...

  • Page 91

    44871001th rev.6 4-13 oki data confidential 4.Replacement of parts (7) open the scanner and remove the e-shaped retainer ring (re4-sk) and screw . (8) remove the e-shaped retainer ring (re6-sk) . (9) remove the shaft-stopper (hinge) and remove the shaft-guide (hinge) . (10) remove the scanner . ⑭ ⑮ ...

  • Page 92

    44871001th rev.6 4-14 oki data confidential 4.Replacement of parts 4.2.8.1 tray-assy-document / cover-adf-r-assy (1) open the cover-assy-top-adf . (2) remove the tray-assy-document by pull it in the direction of the arrow. (3) open the adf-unit while pushing the portion b, and push the claw of cover...

  • Page 93

    44871001th rev.6 4-15 oki data confidential 4.Replacement of parts 4.2.8.2 adf-unit (1) remove the cover-adf-r-assy. (see 4.2.8.1) (2) detach a connector and from the adf board (mhd), and remove the screw to remove the fg cable. Fg cable clamp cable (3) remove the clamp cable and pull the cables out...

  • Page 94

    44871001th rev.6 4-16 oki data confidential 4.Replacement of parts 4.2.8.3 sheet-document / paper-weight-assy / spring-pw-adf (1) open the adf-unit. (2) remove the sheet-document . (3) remove two claws to remove the paper-weight-assy and two spring-pw-adf . Claw claw adf-unit 0.5m m 0.5 mm (1) degre...

  • Page 95

    44871001th rev.6 4-17 oki data confidential 4.Replacement of parts 4.2.8.4 hinge-assy-l / hinge-assy-r (1) remove two screws (l=10mm) and remove the hinge-assy-r . (* for mb461+lp/mb491+lp/mps4700mb: remove two pairs of screw and washer .) l=10mm (for mb461+lp/ mb491+lp/ mps4700mb) ③ ② ① (2) remove ...

  • Page 96

    44871001th rev.6 4-18 oki data confidential 4.Replacement of parts 4.2.8.5 cover-adf-f / guide-assy-exit-sub / adf-assy / adf board (mhd) (1) turn the adf unit upside down and remove the support-sponge . (2) remove the guide-assy-exit-sub by pull it in the direction of the arrow. (3) open the cover-...

  • Page 97

    44871001th rev.6 4-19 oki data confidential 4.Replacement of parts (7) remove the screw (silver) and remove the adf board (mhd) . (8) remove two screws (black) and remove the adf-assy . (5) push the portion a (2 places). (concurrent to push the (4) ) a (6) remove the cover-adf-f in the direction of ...

  • Page 98

    44871001th rev.6 4-20 oki data confidential 4.Replacement of parts 4.2.8.6 cover-assy-top-adf / guide-assy / roller / motor / clutch / solenoid (1) remove the cover-assy-top-adf . (2) remove the guide-assy-a . (3) remove the guide-b . (4) remove the guide-cable . (5) remove the guide-assy-c . (6) re...

  • Page 99

    44871001th rev.6 4-21 oki data confidential 4.Replacement of parts 4.2.8.7 guide-a-sub / frame-assy-separator / spring-separator / rubber-friction (1) remove the guide-a-sub with rubber-friction . (2) remove the frame-assy separator and spring-separator . Note! • ifchangethe … remove the , then degr...

  • Page 100

    44871001th rev.6 4-22 oki data confidential 4.Replacement of parts 4.2.8.9 cable (adf-reg sns) (1) remove the cable . 4.2.8.10 frame-assy-op (1) remove eight claws to remove the frame-assy-op . View a view a claws claws claws.

  • Page 101

    44871001th rev.6 4-23 oki data confidential 4.Replacement of parts 4.2.8.11 frame-op-panel / ope board (except mb441/mb461/mb461+lp/es4161 mfp) (1) remove eight claws to remove the ope board (opm) . (2) remove the lcd cable, while part a is raised in the direction of arrow. 8 × claws viewa viewa 8 ×...

  • Page 102

    44871001th rev.6 4-24 oki data confidential 4.Replacement of parts 4.2.8.12 frame-op-panel / ope board (mb441/mb461/mb461+lp/es4161 mfp) (1) remove eight claws to remove the ope board (opm) . (2) remove the lcd cable, while part a is raised in the direction of arrow. Viewa viewa 8 × claws 11 × latch...

  • Page 103

    44871001th rev.6 4-25 oki data confidential 4.Replacement of parts 4.2.8.13 lcd-assy (1) remove the lcd-assy ..

  • Page 104

    44871001th rev.6 4-26 oki data confidential 4.Replacement of parts (6) remove the screw (silver-colored m4) to remove the plate-fg . (for mb451, mb451w, mb471, mb471w, mb491, mb491+, mb491+lp, es4191 mfp, mps4200mb and mps4700mb) remove five screws (silver-colored) to remove the su-board . (7) remov...

  • Page 105

    44871001th rev.6 4-27 oki data confidential 4.Replacement of parts to printer to printer to printer a a b b c c d d ⑰ ⑱ ⑳ ⑪ ⑬ ⑭ ⑮ ㉓ ㉔ ㉕ ㉑ ㉑ ㉒ ㉕ ㉖ ㉗ ㉘ ㉘ ㉙ ⑯ l=10mm l=10mm l=10mm l=10mm l=10mm only mb461+lp/mb491+lp/mps4700mb ⑦ ⑩ ⑫ ⑫ ⑫ ⑤ ⑥ ⑤ ⑥ ⑥ ⑥ ⑤ ⑤ ⑥ ④.

  • Page 106

    44871001th rev.6 4-28 oki data confidential 4.Replacement of parts 4.2.8.15 how to remove battery (su board mhe) (1) the position of the battery is shown in the below picture. (2) how to remove the battery. Insert finger, a needle or a rod in the gap between the battery and the its holder. Rod batte...

  • Page 107

    44871001th rev.6 4-29 oki data confidential 4.Replacement of parts 4.2.8.16 frame-assy-hopping-adf (1) slide the gear-shaft-hopping while opening the stopper. Cear-shaft-hopping stopper (2) remove the frame-assy-hopping-adf and the stopper-assy-gate ..

  • Page 108

    44871001th rev.6 4-30 oki data confidential 4.Replacement of parts 4.2.9 plate stay l / plate assy stay r (1) remove the scanner unit. (refer to 4.2.8) (2) remove three screws and remove the plate support l . Remove three screws and remove plate stay l . (3) remove the cover front (top). (refer to 4...

  • Page 109

    44871001th rev.6 4-31 oki data confidential 4.Replacement of parts ① ① hook ffc cable holder-head 4.2.10 led head (1) open the stacker cover. (2) remove the id unit. (3) disengage the tab of the holder-head from the stacker cover by using a flat-head screwdriver or something. (4) pull the holder-hea...

  • Page 110

    44871001th rev.6 4-32 oki data confidential 4.Replacement of parts 4.2.12 duplex belt assy (1) take out the frame-assy-tr. (refer to 4.2.11) (2) remove the cassette and set the printer unit on its right side. (3) remove the e-ring (re4-sk) and slide the shaft-dup-clutch in the direction of the arrow...

  • Page 111

    44871001th rev.6 4-33 oki data confidential 4.Replacement of parts (4) disconnect cables (4 point) from the cu/puboard . (5) remove the pwr unit-acdc switch. (refer to 4.2.4). (6) unlatch the claws (2points), and remove the motor-fan (60 x 25) from the duct fan power . ⑤ ⑥ ⑦ air claw ⑧ ⑨ ⑧ ⑪ ⑩ (7) r...

  • Page 112

    44871001th rev.6 4-34 oki data confidential 4.Replacement of parts ① ② ③ ④ ⑤ ⑥ ⑦ 4.2.14 hopping clutch / mpt clutch / regist clutch (1) remove the board mhe. (refer to 4.2.3). (2) remove the screw (silver) , and remove fg-cable from the guide cable . (3) remove the screw (black) and the screw (silve...

  • Page 113

    44871001th rev.6 4-35 oki data confidential 4.Replacement of parts (8) remove the screw (silver, l=8mm) to detach the core . (9) remove four screws (silver) , and remove the plate base (pwu) with to slide along to the arrow in figure. ⑪ ⑫ ⑬ ⑩ (reference) the situation of the mainbody without the pla...

  • Page 114

    44871001th rev.6 4-36 oki data confidential 4.Replacement of parts ⑮ ⑯ ⑱ ⑲ ⑳ ⑰ ⑭.

  • Page 115

    44871001th rev.6 4-37 oki data confidential 4.Replacement of parts 4.2.15 hv-board / motor-fan (1) remove the cover side (l). (refer to 4.2.1) (2) remove the screw (black) and four screws (silver) , disengage the two tabs (a and b), and remove hv-board . Be careful not to lose spring-contact that is...

  • Page 116

    44871001th rev.6 4-38 oki data confidential 4.Replacement of parts 4.2.16 cover assy stacker (1) remove the scanner unit. (refer to 4.2.8) (2) remove the cu/pu board. (refer to 4.2.3) (3) remove the guide cable . (4) remove the screw . ① push ② ①.

  • Page 117

    44871001th rev.6 4-39 oki data confidential 4.Replacement of parts (8) remove the cover assy stacker . (9) installing is performed by the reverse procedure with removing. Note! 1. Beware of not to touch the dc motor inattentively (do not rotate moter). 2. Clamp together the screw and the fg-film. ⑨ ...

  • Page 118

    44871001th rev.6 4-40 oki data confidential 4.Replacement of parts ② ⑥ ⑤ ① ② ③ ④ 4.2.17 stacker cover (1) remove the cover assy stacker. (refer to 4.2.16) (2) remove the led head. (refer to 4.2.10) (3) remove the lever-link-fuser (on both sides). (4) remove four screws (black) , remove the cover-lev...

  • Page 119

    44871001th rev.6 4-41 oki data confidential 4.Replacement of parts 4.2.18 fuser assy note! Replace the fuser-assy by assy unit. It is forbidden for disassembling the fuser-assy, also, reusing the disassembled fuser-assy. (1) remove the frame assy tr. (refer to 4.2.11) (2) remove the scanner unit. (r...

  • Page 120

    44871001th rev.6 4-42 oki data confidential 4.Replacement of parts (10) remove eight screws (silver) to detach the plate bracket (cu) . (11) remove the screw (silver, l=8mm) , and remove core . (12) remove four screws (silver) , and remove the plate base (pwu) with to slide along to the arrow in fig...

  • Page 121

    44871001th rev.6 4-43 oki data confidential 4.Replacement of parts ⑮ ⑮ ⑯ ⑱ ⑲ ㉑ ㉑ ⑰ ⑳ a hole to draw the thin cable a hole to draw the thick cable thick cable thin cable view a view a (13) remove two screws (silver) . Remove the plate-duct-assy . (14) remove the screw (silver) . Remove the plate-stac...

  • Page 122

    44871001th rev.6 4-44 oki data confidential 4.Replacement of parts 4.2.19 mpt assy, manual assy (1) remove the cover side (l) and cover side(r). (refer to 4.2.1 / 4.2.2) (2) remove the cover front (top). (refer to 4.2.6) (2) remove the cover-assy-ope. (refer to 4.2.8.11 ~ 4.2.8.13) (3) remove two sc...

  • Page 123

    44871001th rev.6 4-45 oki data confidential 4.Replacement of parts 4.2.20 cover assy rear (1) remove the cu/pu board. (refer to 4.2.3) (2) remove the screw (silver) and remove the fg-cable from guide cable . (3) remove the screw (black) and the screw (silver) , and remove fg_film (ffc) and cable fro...

  • Page 124

    44871001th rev.6 4-46 oki data confidential 4.Replacement of parts ⑬ ⑭ ⑮ ⑫ ⑩ ⑩ ⑩ ⑪ clamp together the screw and the fg-film. Note to assemble (8) remove eight screws (silver) to detach the plate bracket (cu) . (9) remove the screw (silver, l=8mm) , and remove core . (10) remove four screws (silver) ...

  • Page 125

    44871001th rev.6 4-47 oki data confidential 4.Replacement of parts (13) remove two screws (black) and separate cover-rear and guide-eject- upper-assy . (14) remove the gear-idle . (15) remove the gear-exit (2 places), remove the bearing-eject_r (2 places). Remove the bearing-feeder (2 places). (16) ...

  • Page 126

    44871001th rev.6 4-48 oki data confidential 4.Replacement of parts 4.2.21 guide eject lower assy (1) remove the scanner unit. (refer to 4.2.8) (2) remove the cover assy rear. (refer to 4.2.20) (3) remove two screws (silver) . Remove the cover-eject . (at this moment, plate-rear is also removed.) (4)...

  • Page 127

    44871001th rev.6 4-49 oki data confidential 4.Replacement of parts 4.2.22 eject motor (1) remove the scanner unit. (refer to 4.2.8) (2) remove the cover assy stacker. (refer to 4.2.16) (3) remove the cover assy rear. (refer to 4.2.20) (4) remove the guide-eject-lower-assy. (refer to 4.2.21) (5) remo...

  • Page 128

    44871001th rev.6 4-50 oki data confidential 4.Replacement of parts 4.2.23 plate side r assy / plate side l assy / front assy (1) remove the scanner unit. (refer to 4.2.8) (2) remove the plate stay l and plate assy stay r. (refer to 4.2.9) (3) remove the cu/pu board. (refer to 4.2.3) (4) remove the p...

  • Page 129

    44871001th rev.6 4-51 oki data confidential 4.Replacement of parts 4.2.24 plate side l assy (1) separate the plate side l assy. (refer to 4.2.23) (2) remove four screws (silver) . Remove the guide-cassette-l and spring-lock- cassette . (3) remove lever-sensor cassette and spring-sensor from the guid...

  • Page 130

    44871001th rev.6 4-52 oki data confidential 4.Replacement of parts 4.2.25 plate side r assy (1) separate the plate side r assy. (refer to 4.2.23) (2) remove two (or three) screws (silver) . Remove the guide-cassette-r . (3) remove two screws (black) . Remove the connector . (4) remove four screws (s...

  • Page 131

    44871001th rev.6 4-53 oki data confidential 4.Replacement of parts 4.2.26 front assy (1) separate the front assy. (refer to 4.2.23) (2) remove two screws (black) and plate-feed-b . (be careful not to lose the gear that is removed with the plate.) (3) remove the gear-idle-mpt . Remove the gear-reduct...

  • Page 132

    44871001th rev.6 4-54 oki data confidential 4.Replacement of parts 4.2.28 lever in sensor / lever wr sensor / photo interrupter (1) separate the front assy. (refer to 4.2.23) (2) separate the roller-pressure and roller regist. (refer to 4.2.26) (3) remove two screws (black) . Remove the holder-senso...

  • Page 133

    44871001th rev.6 4-55 oki data confidential 4.Replacement of parts 4.2.29 paper feeding roller (roller-pick-up, roller-feed-now, roller-assy-mpt) •inthecaseoftray1 (1) turn off the printer and pull out the paper cassette tray. (2) remove the feed roller as pushing its tab outward. (3) as pushing the...

  • Page 134

    44871001th rev.6 4-56 oki data confidential 4.Replacement of parts •inthecaseofmulti-purposetray (mb451/mb451w/mb471/mb471w/mb491/mb491+/mb491+lp/es4191 mfp/ mps4200mb/mps4700mb) (1) turn off the printer. (2) open the multipurpose tray and the paper support. (3) open the feed roller cover by pushing...

  • Page 135

    44871001th rev.6 4-57 oki data confidential 4.Replacement of parts 4.2.30 frame-assy-retard, spring-retard (1) remove the cassette. (2) open the retard-cover by pushing two tabs in the directions of the arrows. (3) remove frame-assy-retard by pushing it in the direction of the arrow. (spring-retard ...

  • Page 136

    44871001th rev.6 4-58 oki data confidential 4.Replacement of parts 4.2.31 w-lan board ( for mb451w/mb471w) (1) remove the cover side(r) and the cover side(l). (refer to 4.2.1/4.2.2) (2) remove four screws(silver) to detach the plate shield(cu) . Lan acc ① ① ② ① ① ② ② view a view a view b view b (3) ...

  • Page 137

    44871001th rev.6 4-59 oki data confidential 4.Replacement of parts (4) remove two screws(black) to detach the cover front(top) with w-lan board. ⑤ ⑥ (5) remove a screw to detach the film wlan core from the inner side of the cover front(top) . ⑦ ⑥ ⑧ (6) remove the w-lan board with to unfold a craw of...

  • Page 138

    Oki data confidential 5. Lubricating point 5.1 lubrication point ...........................................................................5-2.

  • Page 139

    Oki data confidential 5. Lubricating point 44871001th rev.6 5-2 5.1 lubrication point class amount of grease(cc) w(mm) sample s a b c d e f 0.0005 0.003 0.005 0.01 0.03 0.05 0.1 1.24 2.25 2.67 3.37 4.86 5.76 w 7.26 this subsection indicates the lubricating points of the printer. Conversely, it means...

  • Page 140

    Oki data confidential 44871001th rev.6 5-3 5. Lubricating point ② -1 44563501pa plate-assy-side-r c-9300 or c-5005 class a apply a normal amount of tetra (c-9310 or c-5005) to the hatched areas. (contact surface) em-30lp class c apply a normal amount of molykote (em-30lp) to the hatched areas. (shaf...

  • Page 141

    Oki data confidential 44871001th rev.6 5-4 5. Lubricating point ③ 44452801pa frame-assy. -hopping ④ -1 44453301pa frame-assy. -regist plate-feed-a caulking shaft-roller-feed roller-feed em-30lp class c apply a normal amount of molykote (em-30lp) to the hatching areas (shaft) em-30lp class c apply a ...

  • Page 142

    Oki data confidential 44871001th rev.6 5-5 5. Lubricating point ④ -2 44453301pa frame-assy. -regist ⑤ -2 44561501pa front-assy. Note:1 note:1 frame-regist. Shaft-idle-dup roller-pinch shaft-idle-dup roller-pinch em-30lp class a apply a normal amount of molykote (em-30lp) to the hatched areas. (side ...

  • Page 143

    Oki data confidential 44871001th rev.6 5-6 5. Lubricating point ⑥ 44359201pa frame-assy. -mpt/ 44564201pa frame-assy-manual (mb461/mb461+lp) ⑦ 44564001pa guide-assy-eject-u roller-pinch shaft-idle-dup em-30lp class b apply a normal amount of molykote (em-30lp) to the hatched areas. (center of shaft)...

  • Page 144

    Oki data confidential 44871001th rev.6 5-7 5. Lubricating point detail ⑧ -1 44559301pa frame-assy-tr note1) please wipe the amount that grease began to see the sliding area off. Gear-exit (z19) bearing-eject_r see note 1) see note 1) bearing-feeder see note 1) em-30lp class c apply a normal amount o...

  • Page 145

    Oki data confidential 44871001th rev.6 5-8 5. Lubricating point ⑧ -2 44559301pa frame-assy-tr ⑧ -3 44559301pa frame-assy-tr bearing roller-transfer bearing geartr-z23 frame-guide-tr em-30lp class c apply a normal amount of molykote (em-30lp) to the hatching areas (bearing sliding surface) em-30lp cl...

  • Page 146

    Oki data confidential 44871001th rev.6 5-9 5. Lubricating point ⑨ 44563701pa duplex-assy bearing-dup roller-tensioner grease prohibition frame-dup bearing-dup mxl87-belt-dup roller-feed_dup em-30lp class b apply a normal amount of molykote (em-30lp) to the hatched areas. (shaft end surface side) em-...

  • Page 147

    Oki data confidential 44871001th rev.6 5-10 5. Lubricating point ⑪ -1 44914801pa printer-unit em-30lp class d apply molykote (em-30lp) at the 3 places (120˚ divide) on the hatched areas. (gear tooth surface) ⑪ -2 44914801pa printer-unit plate-assy-side-r em-30lp class b apply a normal amount of moly...

  • Page 148

    Oki data confidential 44871001th rev.6 5-11 5. Lubricating point ① 44909201pa plate assy-stay (r) : [fn296/7] ② 44659101pa gear-idle-assy 5.1.2 scanner slider-hinge em-d110 class c apply a small amount of mplykote (em-d110) to the sliding surface. (hatched areas) em-d110 class c apply a small amount...

  • Page 149

    Oki data confidential 44871001th rev.6 5-12 5. Lubricating point ③ 44875701pa adf-assy : [fn296/7] portion a portion f portion i portion d portion c portion b detail portion h portion h portion a portion e motor-z20 ge-334 class b apply a normal amount of floil (ge-334c) to the shaft point of contac...

  • Page 150

    Oki data confidential 44871001th rev.6 5-13 5. Lubricating point portion b, c, d and e for detail frame-adf em-30lp class c apply a normal amount of molykote (em-30lp) to the hatched area. (all circumference of post) sf-133 class c apply a normal amount of hanarl (sf-133) to the hatched area. (all c...

  • Page 151

    Oki data confidential 44871001th rev.6 5-14 5. Lubricating point ④ 44912501pa frame-assy-hopping-adf sf-133 class c apply a normal amount of hanarl (sf-133) to the hatching area. (all circumference of shaft) leave it for about 3minutes (drying time) after painting hanarl sf-133, and then assemble th...

  • Page 152

    Oki data confidential 44871001th rev.6 5-15 5. Lubricating point ⑤ 44452701pa front assy.-reg/hop portion h portion j gear-planet frame-pickup em-30lp class b apply a normal amount of molykote (em-30lp) to the hatched area. (all circumference of shaft) em-30lp class a apply a small amount of molykot...

  • Page 153

    Oki data confidential 44871001th rev.6 5-16 5. Lubricating point 2) 44539401 case-hinge-l ⑥ 44538701pa tray-assy-document 44538801 tray-document 3) 44540001 case-hinge-r em-d110 class c apply a normal amount of molykote (em-d110) to the hatched area. (4 surface) em-d110 class c apply a normal amount...

  • Page 154

    Oki data confidential 44871001th rev.6 5-17 5. Lubricating point ⑦ 44534901pa roller-assy-eject-adf ⑧ 44909401pa frame-assy-fb : [fn296/7] 44939601pa frame-assy-fb : [fx750mlk] 45111601pa frame-assy-fb : [fn296/7 legal-fb] em-30lp class a apply a normal amount of molykote (em-30lp) to slide portion ...

  • Page 155

    Oki data confidential 44871001th rev.6 5-18 5. Lubricating point 2) 44596402pa motor-assy 44522701pp gear-idle 44522801pp gear-pulley detail fig-2 44522801pp gear-pulley) 44522701pp gear-idle 44522701pp gear-idle overflow is possible apply to 1 place. (the application place is arbitrary) it is appli...

  • Page 156

    Oki data confidential 6. Maintenance menus mb461/mb471/mb491 can be adjusted by using maintenance utility, or button operation on its operator panel. The printer has maintenance menus in addition to general menus. The menus intended for adjustment purposes should be selected. 6.1 maintenance menu .....

  • Page 157

    Oki data confidential 6. Maintenance menus 44871001th rev.6 6-2 6.1 maintenance menu note! The initial password is set to "000000" (six zeros). Item1 item2 item3 item4 item5 value default value oda default value oel default value jp notes password ************ enter the password for accessing the ma...

  • Page 158

    Oki data confidential 44871001th rev.6 6-3 6. Maintenance menus item1 item2 item3 item4 item5 value default value oda default value oel default value jp notes password system maintenance test print menu enable disable switches between displaying and not displaying the "id check" and "engine informat...

  • Page 159

    Oki data confidential 44871001th rev.6 6-4 6. Maintenance menus item1 item2 item3 item4 item5 value default value oda default value oel default value jp notes password scanner maintenance adjust scan position adf (front- side) side reg. +8 ~ -8 mm 0 0 0 adjusting the position of the scanning start p...

  • Page 160

    Oki data confidential 44871001th rev.6 6-5 6. Maintenance menus item1 item2 item3 item4 item5 value default value oda default value oel default value jp notes password scanner maintenance adjust mech. Adjust adf motor adf keep current 10 ~ 1400 [ma] 200 [ma] 200 [ma] adjust cis adjust cis simple r c...

  • Page 161

    Oki data confidential 44871001th rev.6 6-6 6. Maintenance menus item1 item2 item3 item4 item5 value default value oda default value oel default value jp notes password scanner maintenance afe parameter r3 (03h) r32 (20h) r33 (21h) r34 (22h) r35 (23h) r36 (24h) r37 (25h) r38 (26h) r39 (27h) r40 (28h)...

  • Page 162

    Oki data confidential 44871001th rev.6 6-7 6. Maintenance menus item1 item2 item3 item4 item5 value default value oda default value oel default value jp notes password scanner maintenance mechanical test fbs test speed mono 300 x 600dpi mono 600 x 600dpi color 300 x 600dpi color 600 x 600dpi conduct...

  • Page 163

    Oki data confidential 44871001th rev.6 6-8 6. Maintenance menus item1 item2 item3 item4 item5 value default value oda default value oel default value jp notes password fax maintenance *this menu not shown on models with no fax. Line test tone send test 2100hz 1850hz 1650hz 1100hz tone send test cond...

  • Page 164

    Oki data confidential 44871001th rev.6 6-9 6. Maintenance menus item1 item2 item3 item4 item5 value default value oda default value oel default value jp notes password print maintenance dot shift tray2 "-2.0mm -1.5mm -1.0mm -0.5mm 0.0mm +0.5mm +1.0mm +1.5mm +2.0mm" 0.0mm 0.0mm 0.0mm "set the dot shi...

  • Page 165

    Oki data confidential 6. Maintenance menus 44871001th rev.6 6-10 6.2 service bit menu additional fax setting menu (when setup servicebit=on, the following items will be displayed at admin setup →fax setup) # item settings description oda oel 1 tone for echo (for transmission) enable disable when an ...

  • Page 166

    Oki data confidential 6. Maintenance menus 44871001th rev.6 6-11 6.3 maintenance utility 6.3.1 maintenance utility the adjustments described in table 5-1 should be made by using maintenance utility. The following details the utility: (1) maintenance utility operating manuals: 42678801fu01 rev.38 (ve...

  • Page 167

    Oki data confidential 44871001th rev.6 6-12 6. Maintenance menus option adjustment section in maintenance utility operating manual operation from operator panel (section in this maintenance manual) 11 password initialization initializes a password. 2.4.2.2.13 12 network log storage function stores a...

  • Page 168

    Oki data confidential 6. Maintenance menus 44871001th rev.6 6-13 6.4 self-diagnostic mode this section describes level 0 and level 1. 6.4.1 operator panel the following operational description on the self-diagnostic is premised on the following operator panel layout: example : mb461 self-diagnostic ...

  • Page 169

    Oki data confidential 44871001th rev.6 6-14 6. Maintenance menus level0 (1) how to select the menu items menu items can be selected by long pressing of [4] or [ ], or by short pressing of [2] or [8]. Menu items can be entered by pressing of [6] or [4], and can be selected by pressing of [2] or [8]. ...

  • Page 170

    Oki data confidential 44871001th rev.6 6-15 6. Maintenance menus [2] [2] [2] [2] [2] [2] a diagnositc mode xx.Xx.Xx -mode switch scan motor clutch test test print consumable status printer status b [8] paper route : pu [8] main motor [8] print execute [8] k-id unit [8] k-total drum cnt [8] toner sen...

  • Page 171

    Oki data confidential 44871001th rev.6 6-16 6. Maintenance menus 6.4.2 ordinary self-diagnostic mode (level 1) menu items of the ordinary self-diagnostic mode are shown below. Item self-diagnostic menu adjustment contents maintenance utilities 1 switch scan test switch scan entry sensor check and sw...

  • Page 172

    Oki data confidential 44871001th rev.6 6-17 6. Maintenance menus 6.4.2.3 switch scan test this self-diagnostic menu is used to check the entry sensor and the switch. 1. Enter the self-diagnostic mode (level 1), press the [2 ] or [8 ] key repeatedly ,and press the [6] key when the "switch scan" is di...

  • Page 173

    Oki data confidential 44871001th rev.6 6-18 6. Maintenance menus table 4-3 switch scan details no display area, upper row 1 2 3 4 details display area, lower row details display area, lower row details display area, lower row details display area, lower row 1 paper route : pu in sns h : off l : on w...

  • Page 174

    Oki data confidential 44871001th rev.6 6-19 6. Maintenance menus 6.4.2.4 motor clutch test this self-diagnostic menu is used to test the motor and clutch. 1. Enter the self-diagnostic mode (level 1), press the [2 ] or [8 ] key repeatedly ,and press the [6] key when the "motor & clutch test" is displ...

  • Page 175

    Oki data confidential 44871001th rev.6 6-20 6. Maintenance menus unit name display drive restriction condition remarks main motor - - exit motor fwd faceup cover close - exit motor rev faceup cover open - regist clutch main motor driving - t1 hop clutch main motor driving - mpt hop clutch (*1) main ...

  • Page 176

    Oki data confidential 44871001th rev.6 6-21 6. Maintenance menus 6.4.2.5 test print this self-diagnostic menu is used to print the test pattern that is built inside pu. Other test patterns are stored in the controller. This test print cannot be used to check the print quality. Diagnosis for the abno...

  • Page 177

    Oki data confidential 44871001th rev.6 6-22 6. Maintenance menus 4. While the message "print execute" that is set by the operation specified in step 2 is being displayed, press the [6] key and the test print is executed with the setting value that has been set by steps 2 and 3. Pressing the [#] key ...

  • Page 178

    Oki data confidential 44871001th rev.6 6-23 6. Maintenance menus • displays are switched by pressing the [2] key. Kr=*.** kr : black transfer roller resistance value [unit: ua] • displays are switched by pressing the [2] key. Etmp=***utmp=*** etmp : environment temperature [unit: dec] utmp : fuse ta...

  • Page 179

    Oki data confidential 44871001th rev.6 6-24 6. Maintenance menus 6.4.2.6 consumable item counter display this self-diagnostic menu is used to display the consumption status of the consumable items. 1. Enter the self-diagnostic mode (level 1), press the [2] or [8] key repeatedly ,and press the [6] ke...

  • Page 180

    Oki data confidential 44871001th rev.6 6-25 6. Maintenance menus 6.4.2.8 switching between the factory mode and the shipping mode this self-diagnostic menu item is used to switch between the factory mode and the shipping mode. 1. Enter the self-diagnostic mode (level 1) and keep pressing the [2] or ...

  • Page 181

    Oki data confidential 44871001th rev.6 6-26 6. Maintenance menus display setting value operation at the setting value function toner sensor enable detects valid/invalid of toner sensor operation. Disable not to detect id unit check enable checks valid/invalid of id installation check operation. Disa...

  • Page 182

    Oki data confidential 44871001th rev.6 6-27 6. Maintenance menus 6.4.3 adjustment at part replacement adjustment is necessary while replacing the following part. Replacing part adjustment main pcb board eeprom data upload / download 6.4.3.1 eeprom data upload / download method in the case of replaci...

  • Page 183

    Oki data confidential 6. Maintenance menus 44871001th rev.6 6-28 6.5 switch pressing function when power supply is turned on when power supply of printer is turned on, the functions of usable switches are as follows. And, the switches below are effective when pressed before led is lighted in the spe...

  • Page 184

    Oki data confidential 6. Maintenance menus 44871001th rev.6 6-29 6.6 settings after parts replacement the necessary adjustments after the parts exchange are explained as follows. Replaced part adjustment led head not required. Image drum cartridge not required. Main (cu/pu board (98m)) copy the eepr...

  • Page 185

    Oki data confidential 44871001th rev.6 6-30 6. Maintenance menus • if you want to specify the pu serial number, please add a "0" (a normal-width zero) then input the 11-digit number. (please notice that when read out, the number will be 10 digits.) as shown in the following image, on the menu of [pu...

  • Page 186

    Oki data confidential 44871001th rev.6 6-31 6. Maintenance menus (2) [when not facing oel] (2-1) set the pu serial number (maintenance utility operation manual, section 2.4.1.2, pu circuit board setting) sap serial number can be applied to the device. The sap serial number is displayed in the highes...

  • Page 187

    Oki data confidential 44871001th rev.6 6-32 6. Maintenance menus 6.6.2 notes on su board (mhe)/scanner unit replacement 1. Set the scanner parameter when replacing the su board (mhe)/scanner unit : before replacing the su board (mhe)/scanner unit, try to get the scanner setting parameters from the b...

  • Page 188

    Oki data confidential 7. Regular maintenance 7.1 periodic maintenance ...................................................................7-2 7.2 cleaning rollers in the adf ........................................................7-4 7.3 cleaning the document glass ......................................

  • Page 189

    Oki data confidential 7. Regular maintenance 44871001th rev.6 7-2 7.1 periodic maintenance 7.1.1 periodic replacement parts the following parts should be replaced at a specified cycle. Name conditions cleaning remarks toner cartridge after printing approx. 4,000 pages led head consumables image drum...

  • Page 190

    Oki data confidential 44871001th rev.6 7-3 7.1.4 cleaning the feed rollers and the retard roller (1) wipe the two feed rollers with a tightly wrung cloth soaked in water through the opening for installation of a paper cassette. Note! Use water only. (2) wipe the retard roller of the paper cassette w...

  • Page 191

    Oki data confidential 7. Regular maintenance 44871001th rev.6 7-4 7.2 cleaning rollers in the adf if the document feeding rollers in the adf are contaminated with ink, toner particles or paper dust, documents and outputs get dirty and a paper jam may occur. To prevent this, it is recommended to clea...

  • Page 192

    Oki data confidential 7. Regular maintenance 44871001th rev.6 7-5 7.3 cleaning the document glass it is recommended to clean the document glass once a month to maintain image quality of the printouts. (1) open the document glass cover. (2) wipe the document holding pad, document glass and adf docume...

  • Page 193

    Oki data confidential 8. Troubleshooting procedures 8.1 precautions prior to repair ............................................................8-2 8.2 items to be checked prior to taking action on abnormal images ..8-2 8.3 precautions when taking action on abnormal images ..................8-2 8.4 ...

  • Page 194

    Oki data confidential 44871001th rev.6 8-2 8. Troubleshooting procedures 8.1 precautions prior to repair (1) confirm the basic check items indicated in the user's manual. (2) through hearing from the user, obtain information, as far in detail as possible, on the situation concerning the fault. (3) i...

  • Page 195

    Oki data confidential 8. Troubleshooting procedures 44871001th rev.6 8-3 8.5 troubleshooting method if a trouble occurs in the printer, search for it by the following procedure: problem generated problem is displayed in lcd. Repair using the "lcd message list" (see 8.5.1 to 8.5.3). Repair in detail ...

  • Page 196

    Oki data confidential 44871001th rev.6 8-4 8. Troubleshooting procedures no. Category pjl status code error warning description 4 initializing - 1 2 3 4 5 checking file system displays that sd card file system is being checked. Process check of file system is valid to start from "management"-"storag...

  • Page 197

    Oki data confidential 44871001th rev.6 8-5 8. Troubleshooting procedures normal no. Category pjl status code error warning description 1 normal 40988 1 2 3 4 5 pu downloading ... Downloading pu f/w (this is not user-level error) this function is secret to users. Therefore, this status does not occur...

  • Page 198

    Oki data confidential 44871001th rev.6 8-6 8. Troubleshooting procedures no. Category pjl status code error warning description 10 normal 40967 1 2 3 4 5 please check data. Program data receive error an error has happened while the printer is receive- processing the nic download data. %dlcode% 1: fi...

  • Page 199

    Oki data confidential 44871001th rev.6 8-7 8. Troubleshooting procedures no. Category pjl status code error warning description 20 normal 40994 1 2 3 4 5 memory overflow please see help for details. Close memory overflow was occurred in the collate print. 21 normal 30962 1 2 3 4 5 expired secure job...

  • Page 200

    Oki data confidential 44871001th rev.6 8-8 8. Troubleshooting procedures no. Category pjl status code error warning description 31 normal - 1 2 3 4 5 cannot read the file. Close notifies that processing has failed, for instance, because of a fault in the equipment in which the data was to be stored....

  • Page 201

    Oki data confidential 44871001th rev.6 8-9 8. Troubleshooting procedures no. Category pjl status code error warning description 40 normal 10015 1 2 3 4 5 font list printing ... Printing font lists. Indicates that printing sample data of the following fonts. - pcl font list - pse font list - ppr font...

  • Page 202

    Oki data confidential 44871001th rev.6 8-10 8. Troubleshooting procedures no. Category pjl status code error warning description 49 normal 10897 1 2 3 4 5 verifying data. Indicates that the integrity of print data for encrypted authentication is being verified (for corruption and tampering). 50 norm...

  • Page 203

    Oki data confidential 44871001th rev.6 8-11 8. Troubleshooting procedures no. Category pjl status code error warning description 60 normal 10863 scanning ... P.%scan_page% %doc_size% scanning ... %scan_page%page %ap_info% scanning ... Scanning ... Scanning ... %txpage% page(s) %doc_size% manual fax ...

  • Page 204

    Oki data confidential 44871001th rev.6 8-12 8. Troubleshooting procedures no. Category pjl status code error warning description 64 normal 10859 1 2 3 4 5 data writing to usb memory. Indicates that it is wrighting the image file to usb memory after the scanning completed. The cancel operation by sto...

  • Page 205

    Oki data confidential 44871001th rev.6 8-13 8. Troubleshooting procedures no. Category pjl status code error warning description 73 normal - 1 2 3 4 5 fax sending ... Page: %txpage% %txfaxnumber% ======== [f-code pollingtx] fax sending ... Page: %txpage% indicates that it is sending fax data. %txpag...

  • Page 206

    Oki data confidential 44871001th rev.6 8-14 8. Troubleshooting procedures no. Category pjl status code error warning description 81 normal 10800 1 2 3 4 5 speed dial list printing ... Indicates that printing of fax location list that is registered in speed dial. 82 normal 10801 1 2 3 4 5 group list ...

  • Page 207

    Oki data confidential 44871001th rev.6 8-15 8. Troubleshooting procedures no. Category pjl status code error warning description 95 normal - 1 2 3 4 5 cancelling ... Indicates that cancellation of pushscan (by panel operation) is accepted and being processed. The status falls when the processing is ...

  • Page 208

    Oki data confidential 44871001th rev.6 8-16 8. Troubleshooting procedures warning no. Category pjl status code error warning description 1 warning 10081 (k) 1 2 3 4 5 %color% toner low please see help for details. Toner amount is low. Moreover, when set as "admin setup"- "management"-"system setup"-...

  • Page 209

    Oki data confidential 44871001th rev.6 8-17 8. Troubleshooting procedures no. Category pjl status code error warning description 11 warning 1601x x: tray # 1 2 3 4 5 %tray% empty please see help for details. %tray%: the tray is empty. Treated as warning until printing to the empty tray is designated...

  • Page 210

    Oki data confidential 44871001th rev.6 8-18 8. Troubleshooting procedures no. Category pjl status code error warning description 21 warning 10750 1 2 3 4 5 please change sd memory card. Error code : 085 indicates that machine requests a user to exchange old sd memory card device for new one because ...

  • Page 211

    Oki data confidential 44871001th rev.6 8-19 8. Troubleshooting procedures error (enable to restore) no. Category pjl status code error warning description 1 error 10899 1 2 3 4 5 erased data full please see help for details. Indicates that a secret file waiting to be erased is full. 2 error 472yy 47...

  • Page 212

    Oki data confidential 44871001th rev.6 8-20 8. Troubleshooting procedures no. Category pjl status code error warning description 7 error 40947 (k) 1 2 3 4 5 %color% toner cartridge region mismatch: %errcode% please see help for details. The signature id of toner cartridge is not proper to the distri...

  • Page 213

    Oki data confidential 44871001th rev.6 8-21 8. Troubleshooting procedures no. Category pjl status code error warning description 12 error 40959 (k) 1 2 3 4 5 please check %color% toner cartridge.: %errcode% please see help for details. Something is wrong with the toner sensor. This status is indicat...

  • Page 214

    Oki data confidential 44871001th rev.6 8-22 8. Troubleshooting procedures no. Category pjl status code error warning description 22 error 40021 40720 1 2 3 4 5 please check the %cover%.: %errcode% please close the %cover%. Please see help for details. The cover is open. Error 310 : top cover error 5...

  • Page 215

    Oki data confidential 44871001th rev.6 8-23 8. Troubleshooting procedures no. Category pjl status code error warning description 32 error - 1 2 3 4 5 communication error close indicates that the fax receiving was failed. The details of the fax receiving errors are not displayed. The message is shown...

  • Page 216

    Oki data confidential 44871001th rev.6 8-24 8. Troubleshooting procedures no. Category pjl status code error warning description 44 error 40565 1 2 3 4 5 document jam please open the scanner unit and the adf cover. Please see help for details. At machine initial time (power-on, cover close and just ...

  • Page 217

    Oki data confidential 44871001th rev.6 8-25 8. Troubleshooting procedures no. Category pjl status code error warning description 50 error 411yy yy: paper siz 1 2 3 4 5 please install paper on manual feeder. Please set paper (%media_size%). To cancel, select [cancel] manual paper feed is required. Ma...

  • Page 218

    Oki data confidential 44871001th rev.6 8-26 8. Troubleshooting procedures no. Category pjl status code error warning description 54 error 482yy 483yy 1 2 3 4 5 tray media mismatch: %errcode% please install paper(%media_size% %media_type%) on %tray%. The media type in the tray and the print data do n...

  • Page 219

    Oki data confidential 44871001th rev.6 8-27 8. Troubleshooting procedures no. Category pjl status code error warning description 59 error 40735 40759 40748 40591 40710 1 2 3 4 5 memory overflow please see help for details. Close indicates that memory overflow is occurred during the following functio...

  • Page 220

    Oki data confidential 44871001th rev.6 8-28 8. Troubleshooting procedures no. Category pjl status code error warning description 71 error - 1 2 3 4 5 wireless startup failed. Please see help for details. Wireless startup failed. Restart the device.If the problem is not resolved, check cableconnectio...

  • Page 221

    Oki data confidential 44871001th rev.6 8-29 8. Troubleshooting procedures error (disable to restore) no. Category pjl status code error warning description 1 error 40700 40701 40702 40703 40709 1 2 3 4 5 inspection is required. %errcode%: sip error indicates that the processing of scan image process...

  • Page 222

    Oki data confidential 44871001th rev.6 8-30 8. Troubleshooting procedures no. Category pjl status code error warning description 7 error 40057 1 2 3 4 5 power off/on %errcode%:error a fatal error occurred. For more information, see "service calls list." %errcode%: specifies 3 digits (decimal) error ...

  • Page 223

    Oki data confidential 44871001th rev.6 8-31 8. Troubleshooting procedures no. Category pjl status code error warning description 15 error 40057 1 2 3 4 5 power off/on %errcode%:error %code% a fatal error occurred. For more information, see "service calls list." %errcode%: specifies 3 digits (decimal...

  • Page 224

    Oki data confidential 44871001th rev.6 8-32 8. Troubleshooting procedures 8.5.2 service call list display cause error details measure power off/on 002 : error ～ 005 : error cpu exception is the error display provided again? Yes turn off and on the mfp. Replace the cu/ pu board. Inspection is require...

  • Page 225

    Oki data confidential 44871001th rev.6 8-33 8. Troubleshooting procedures display cause error details measure power off/on 075 : error ** video error. An error was detected in expanding image data. Is the cu/pu installed properly? No yes reinstall it properly. Replace it. Power off/on 080 : error pa...

  • Page 226

    Oki data confidential 44871001th rev.6 8-34 8. Troubleshooting procedures display cause error details measure inspection is required. 163 : error toner sensor detection error (163=k). This error does not occur with the mfp in the factory shipped configuration. Is the toner cartridge installed? Is th...

  • Page 227

    Oki data confidential 44871001th rev.6 8-35 8. Troubleshooting procedures display cause error details measure press power sw for 5sec error : 811 error : 812 error : 813 su com- munication error communication error between the controller and the scanner unit is detected. Turn off and on the mfp. Pre...

  • Page 228

    Oki data confidential 44871001th rev.6 8-36 8. Troubleshooting procedures 8.5.3 fax error list termination code list # value (hex) description 1. 0 normal (ended normally) 2. 1 stop (a user cancelled a job during sending.) 3. 2 an incoming call was received. The produdre ended unsuccessfully (t1 tim...

  • Page 229

    Oki data confidential 44871001th rev.6 8-37 8. Troubleshooting procedures 8.5.4 email/internet fax/fax server error list errorcode description 1 connection failed. Please check "smtp server" settings. 2 connection failed. Please check "smtp server port" settings. 3 authentication failed. "smtp auth"...

  • Page 230

    Oki data confidential 44871001th rev.6 8-38 8. Troubleshooting procedures (1) lcd display trouble ...................................................................................8-39 (1-1) lcd displays nothing ...........................................................................8-39 (1-2) d...

  • Page 231

    Oki data confidential 44871001th rev.6 8-39 8. Troubleshooting procedures 8.5.5.(1) lcd display trouble (1-1) lcd displays nothing check item checking action in case of fail (1-1-1) checking fuse fuse on su board (mhe) check whether f1 or f5 has blown. Replace f1 or f5 or su board (mhe). (1-1-2) che...

  • Page 232

    Oki data confidential 44871001th rev.6 8-40 8. Troubleshooting procedures 8.5.5.(2) abnormal mfp operation after powered on (2-1) no operation check item checking action in case of fail (2-1-1) checking power supplies ac power supplied to the printer check the supplied voltage from the ac power sour...

  • Page 233

    Oki data confidential 44871001th rev.6 8-41 8. Troubleshooting procedures check item checking action in case of fail (2-1-2) confirmation of the power switch led power switch led confirm whether the led is off. If the led blinks rapidly, the number of blinking times in a cycleshows an error. The tim...

  • Page 234

    Oki data confidential 44871001th rev.6 8-42 8. Troubleshooting procedures (2-2) abnormal sound check item checking action in case of fail (2-2-1) checking for loss of synchronization of motor (driver failure) operation of each motor check whether each motor operates properly using the self- diagnosi...

  • Page 235

    Oki data confidential 44871001th rev.6 8-43 8. Troubleshooting procedures (2-3) abnormal odor confirmation items confirmation tasks action at ng (2-3-1) locate the position with abnormal odor occurred. Fuser unit take out the fuser and confirm the odor. Perform (2-3-2). Low-voltage power supply unit...

  • Page 236

    Oki data confidential 44871001th rev.6 8-44 8. Troubleshooting procedures paper jams this section explains how to clear paper jams. Reference! • fordetailsonthelocationofeachcomponentofthemachine,referto "swich scan test" on p. 6-17 and "motor clutch test" on p.6-19.. Checking error messages when a ...

  • Page 237

    Oki data confidential 44871001th rev.6 8-45 8. Troubleshooting procedures error code 370, 371, 372 (duplex paper jam) (1) remove any documents from the document tray if any. (2) open the scanner unit. (3) press the top cover open button ① and open the top cover. (5) remove the image drum as describe...

  • Page 238

    Oki data confidential 44871001th rev.6 8-46 8. Troubleshooting procedures (7) when you return the transcription unit into the printer, insert both projections (a) of the front end of transcription unit into holders of the printer. (8) insert rear projections , locating close to both handles of the t...

  • Page 239

    Oki data confidential 44871001th rev.6 8-47 8. Troubleshooting procedures error code 380, 381, 382, 389 (paper feed jam) (1) remove any documents from the document tray if any. (2) open the scanner unit. (3) press the top cover open button ① and open the top cover. (5) if the top end of paper is vis...

  • Page 240

    Oki data confidential 44871001th rev.6 8-48 8. Troubleshooting procedures if the bottom end of paper is visible, hold the paper by your hands and carefully pull out the paper. • ifthebottomendofpaperisnotvisiblebutitstopendisvisibleatthepaper discharge unit, hold the top end of paper and pull out th...

  • Page 241

    Oki data confidential 44871001th rev.6 8-49 8. Troubleshooting procedures (6) re-install the image drum complete with toner cartridge, ensuring that the pegs (1 & 2) correctly locate into the slots on each side of the printer (3). (7) close the top cover. (8) close the scanner unit. Error code 390 (...

  • Page 242

    Oki data confidential 44871001th rev.6 8-50 8. Troubleshooting procedures if neither the top or bottom end of paper is visible, move the jammed paper in the arrow direction as shown. Hold the top end of paper by your hands and carefully pull out the paper. If the bottom end of paper is visible, hold...

  • Page 243

    Oki data confidential 44871001th rev.6 8-51 8. Troubleshooting procedures error code 391, 392 (paper feed jam) error code 391 indicates an error in tray1 and error code 392 indicates a paper jam in tray2. Memo! The following procedure uses tray 1 as an example. (1) pull out and remove the paper cass...

  • Page 244

    Oki data confidential 44871001th rev.6 8-52 8. Troubleshooting procedures document jam occurred when you can see the document in the duplex paper path (1) open the adf cover, and pull out the document upward. When you can see the document inside the adf (1) remove any documents from the document tra...

  • Page 245

    Oki data confidential 44871001th rev.6 8-53 8. Troubleshooting procedures if the edge of the document cannot be seen in the adf, lift the document tray ② and then pull out the document. Pull down the document tray. (4) close the adf cover. ②.

  • Page 246

    Oki data confidential 44871001th rev.6 8-54 8. Troubleshooting procedures 8.5.5. (3) paper feed jam (error code 391: 1st tray) (3-1) does a jam error occur when turning on the power? Check item check operation actions for ng results (3-1-1) check condition of paper running path paper running path of...

  • Page 247

    Oki data confidential 44871001th rev.6 8-55 8. Troubleshooting procedures 8.5.5. (4) feed jam (error code 380, 381) (4-1) jam occurs immediately after the power is turned on. Check item check operation actions for ng results (4-1-1) check condition of paper running path paper running path of the fro...

  • Page 248

    Oki data confidential 44871001th rev.6 8-56 8. Troubleshooting procedures check item check operation actions for ng results (4-2-2) check condition of the mechanical parts ejection sensor lever does the paper reach the ejection sensor lever? Yes: go next question. No: go check drum motror. Does the ...

  • Page 249

    Oki data confidential 44871001th rev.6 8-57 8. Troubleshooting procedures (5-2) jam occurs immediately after paper feed is started. (multipurpose tray) check item check operation actions for ng results (5-2-1) check condition of paper running path paper running path of the multipurpose tray open the...

  • Page 250

    Oki data confidential 44871001th rev.6 8-58 8. Troubleshooting procedures 8.5.5. (6) paper running jam (error code 381:) (6-1) jam occurs immediately after the power is turned on. Check item check operation actions for ng results (6-1-1) check condition of paper running path paper running path of th...

  • Page 251

    Oki data confidential 44871001th rev.6 8-59 8. Troubleshooting procedures 8.5.5. (8) paper size error (error code 400) (8-1) jam occurs when paper end is located near the entrance sensor. Check item check operation actions for ng results (8-1-1) check paper size and respective sensor. Paper size is ...

  • Page 252

    Oki data confidential 44871001th rev.6 8-60 8. Troubleshooting procedures 8.5.5. (10) motor fan error (error code 120, 127, 128) (10-1) the low voltage power supply fan does not rotate immediately after the power is turned on. Check item check operation actions for ng results (10-1-1) cable connecti...

  • Page 253

    Oki data confidential 44871001th rev.6 8-61 8. Troubleshooting procedures 8.5.5. (12) option unit cannot be recognized. (12-1) option try unit cannot be recognized. Check item check operation actions for ng results (12-1-1) option try board option tray unit check that it is option tray which can be ...

  • Page 254

    Oki data confidential 44871001th rev.6 8-62 8. Troubleshooting procedures 8.5.5. (14) toner cartridge cannot be recognized. (error code 540, 541, 542, 543) (14-1) error caused by the consumable items. Check item check operation actions for ng results (14-1-1) consumable items installation condition ...

  • Page 255

    Oki data confidential 44871001th rev.6 8-63 8. Troubleshooting procedures (14-3) error caused by the defective mechanism check item check operation actions for ng results (14-3-1) mechanical load applied to the id unit id unit check if a heavy mechanical load is being applied to the id unit due to b...

  • Page 256

    Oki data confidential 44871001th rev.6 8-64 8. Troubleshooting procedures 8.5.5. (16) humidity sensor error (error code 123) (16-1) humidity sensor error check item check operation actions for ng results (16-1-1) check the system connection connection to the cu/pu board and to the toner sensor board...

  • Page 257

    Oki data confidential 44871001th rev.6 8-65 8. Troubleshooting procedures 8.5.6 print troubleshooting the troubleshooting procedure of abnormal printing is described as follows. The typical abnormal printing is shown in the following figure 7-1. Trouble flowchart number pale printing or the whole pr...

  • Page 258

    Oki data confidential 44871001th rev.6 8-66 8. Troubleshooting procedures the white section is dirty • istheimagedrumexposedbytheexternallight? • yes installtheimagedrumintheprinterandwait30minutes. • no from [maintenance menu], select [paper black set] - [smr setting] and set a larger value for adj...

  • Page 259

    Oki data confidential 44871001th rev.6 8-67 8. Troubleshooting procedures in case of error printing • does the contact plate of the transfer roller contact the tr terminal of the high- voltage power supply unit properly? (see figure 7-3, section 9.2 (2)) • no adjust the contact plate so that it cont...

  • Page 260

    Oki data confidential 44871001th rev.6 8-68 8. Troubleshooting procedures figure 7-2 e d c a fuse e d c a cha rging roller earth (dr um) de veloping roller to ner supply roller fuse chargi ng roller earth (drum) developing roller toner su pply rolle r figure 7-3 frame-assy-tr transfer roller contact...

  • Page 261

    Oki data confidential 44871001th rev.6 8-69 8. Troubleshooting procedures figure 7-4 fuser assy contact plate.

  • Page 262

    Oki data confidential 44871001th rev.6 8-70 8. Troubleshooting procedures 8.5.7 response after flash compulsive initialization explain the response after compulsive initialization is performed with trouble occurred in flash. (1) flash compulsive initialization if flash compulsive initialization is p...

  • Page 263

    Oki data confidential 44871001th rev.6 8-71 8. Troubleshooting procedures 8.5.9 network troubleshooting (1) cannot print from utility. Confirmation items confirmation tasks action at ng (1) check the link lamp. Check whether link lamp (green) is lighted. Check whether hub and printer are connected n...

  • Page 264

    Oki data confidential 44871001th rev.6 8-72 8. Troubleshooting procedures *1 : check once again whether the ssid, security setting, and an encrypting key of the wireless lan access point are same as the settings of this device. When any one of settings is different, the device cannot be connected to...

  • Page 265

    Oki data confidential 8. Troubleshooting procedures 44871001th rev.6 8-73 8.6 fuse checking table 7-6 mb441/mb451/mb451w/mb461/mb461+lp/mb471/mb471w/mb491/mb491+/ mb491+lp/es4161 mfp/es4191 mfp/mps4200mb/mps4700mb fuse errors fuse name error description insert point resistance cu/pu board (98m) f1 s...

  • Page 266

    Oki data confidential 9. Connection diagrams 9.1 check of resistance values ..........................................................9-2 9.2 layout of parts .............................................................................9-4 9.3 firmware information .......................................

  • Page 267

    Oki data confidential 44871001th rev.6 9-2 9. Connection diagrams 9.1 check of resistance values unit circuit diagram part diagram resistance value dc motor ip2 ip3 both ends of ip2 and ip3: 1 or less clutch (hopping) (regist) (mp tray) cable cable cable color : black (hopping) : blue (regist) : yel...

  • Page 268

    Oki data confidential 44871001th rev.6 9-3 9. Connection diagrams unit circuit diagram part diagram resistance value fan motor (fuser fan, (80×25) ) red black +24 v 1 fanalm-n 3 0 v 2 m fan motor ( duct fan, (40×15) ) red black +5 v 1 fanalm-n 3 0 v 2 m fan motor ( power fan, (60×25) ) red black +24...

  • Page 269

    Oki data confidential 9. Connection diagrams 44871001th rev.6 9-4 9.2 layout of parts (1) cu/pu board (98m) 1 1 28 3 3 1 1 1 16 1 1 pwf an 2 dfa n1 q 22 r92 q 19 q 17 r13 7 r16 3 cp8 r20 6 ic2 2 r19 1 c116 c115 rm8 rm9 za16 d12 d13 d14 pa p r201 r20 0 r202 r220 m clt rc lt to ne r hc lt exi t in _w ...

  • Page 270

    Oki data confidential 44871001th rev.6 9-5 9. Connection diagrams r50 8 r50 9 r5 10 r5 11 r5 12 r50 7 c5 06 c508 c503 r536 c5 19 r5 21 r522 r523 r5 24 c5 13 q506 d502 c533 d503 d504 q507 c5 14 c504 c505 r5 13 c554 r556 r5 57 r559 r56 1 r56 0 d5 06 q5 10 r6 01 r6 15 fe t5 01 fe t5 02 fe t5 03 f5 01 c...

  • Page 271

    Oki data confidential 44871001th rev.6 9-6 9. Connection diagrams 1 28 3 1 cn3 3 1 cn2 cn1 tr terminal t1 t1 - 7pin component side soldering side (2) high-voltage power/sensor board checking contact between the transfer roller shaft and the tr terminal contact is normal if the resistance value measu...

  • Page 272

    Oki data confidential 44871001th rev.6 9-7 9. Connection diagrams (3) low-voltage power j1 1 3 j2 1 4 j3 j5 1 10 16 1 31 j4 j3 4 or 5 or 6pin j3 1 or 2 or 3pin 68 Ω, 0.5 w or more a circuit (common to 100v and 200v) for applying a load between +5v and gnd to check output by using a low-voltage suppl...

  • Page 273

    Oki data confidential 44871001th rev.6 9-8 9. Connection diagrams (4) su board (mhe) second revision board board-mhe 448663 1 3 1 8 1 10 a a r r 1 1 9 9 1 1 10 10 20 20 26 26 a a k y af af 1 24 25 48 6 16 5 8 1 16 17 32 33 48 49 64 ic13 s1 s2 s3 s4 za1 vr2 vr1 c192 ps2 c207 c208 r266 r268 q17 d26 c2...

  • Page 274

    Oki data confidential 44871001th rev.6 9-9 9. Connection diagrams soldering side r668 r669 r670 r665 r666 r657 r650 r652 r656 r677 ic511 r687 c659 c657 r667 bf508 r624 r634 c631 ic509 r58 9 c604 c627 c632 c667 c669 c668 c670 r627 c615 bf509 r658 r659 r662 c644 c645 c649 c656 r663 c6 51 c666 c665 c66...

  • Page 275

    Oki data confidential 44871001th rev.6 9-10 9. Connection diagrams su board (mhe) third revision board componet side board-mhe 448663 1 3 1 8 1 10 a a r r 1 1 9 9 1 1 10 10 20 20 26 26 a a k y af af 1 24 25 48 6 16 5 8 1 16 17 32 33 48 49 64 ic13 s1 s2 s3 s4 za1 vr 2 vr 1 c192 ps2 c207 c208 r266 r58...

  • Page 276

    Oki data confidential 44871001th rev.6 9-11 9. Connection diagrams su board (mhe) third revision board soldering side r668 r669 r670 r665 r666 r657 r650 r652 r656 r677 ic511 c659 c657 r667 bf508 r624 r634 c631 ic509 r58 9 c604 c627 c632 c667 c669 c668 c670 r627 c615 bf509 r658 r659 r662 c644 c645 c6...

  • Page 277

    Oki data confidential 44871001th rev.6 9-12 9. Connection diagrams (6) adf board (mhd) cl2 cl1 sol pm motif sns2 sns3 sns1 1 6 1 4 1 1 3 3 1 4 1 2 1 2 1 1 8 8 2 1 sns4 snsie jp2 jp1 (5) operation panel (opm) sw7 1 sw67 sw33 sw22 sw1 1 sw9 sw8 sw7 sw6 sw5 sw4 sw3 sw2 sw1 sw2 0 sw2 8 sw2 7 sw2 6 sw2 5...

  • Page 278

    Oki data confidential 9. Connection diagrams 44871001th rev.6 9-13 9.3 firmware information 9.3.1 rom control numbers (1) firmware suite this mfp can upgrade of a program using firmware suite. Firmware suite is the file which combined and unified two or more firmware to one. Firmware (pjl format) ep...

  • Page 279

    Oki data confidential 44871001th rev.6 9-14 9. Connection diagrams 9.3.3 checking and indication of the revision number (1) print out menumap and check to make sure that the firmware revision number has been updated. 9.3.4 stamp of maintenance board indication a designated article number is stamped ...

  • Page 280

    Oki data confidential 44871001th rev.6 9-15 9. Connection diagrams 9.3.5 fw update flow in case of error 049 (for mb451, mb451w) step1 connect the mfp and pc which is installed the maintenance utility (hereinafter referred to as mu) via usb cable. Step2 push the power switch on the mfp, pressing sim...

  • Page 281

    Oki data confidential 10. Appendix 10.1 list of initialized range ..............................................................10-2 10.2 maintenance manual for second tray unit ................................10-9.

  • Page 282

    Oki data confidential 10. Appendix 44871001th rev.6 10-2 10.1 list of initialized range setup parameters administrator setup service technician setup firmware update remarks n et wo rk fa cto ry d efa ul ts * 1 s d c ar d i ni tia liza tion * 2 (fo rm at o pe n t o u se rs ) s d c ar d f or m at * 3...

  • Page 283

    Oki data confidential 44871001th rev.6 10-3 10. Appendix setup parameters administrator setup service technician setup firmware update remarks n et wo rk fa cto ry d efa ul ts * 1 s d c ar d i ni tia liza tion * 2 (fo rm at o pe n t o u se rs ) s d c ar d f or m at * 3 (c om mon p ar titi on s) s d ...

  • Page 284

    Oki data confidential 44871001th rev.6 10-4 10. Appendix setup parameters administrator setup service technician setup firmware update remarks n et wo rk fa cto ry d efa ul ts * 1 s d c ar d i ni tia liza tion * 2 (fo rm at o pe n t o u se rs ) s d c ar d f or m at * 3 (c om mon p ar titi on s) s d ...

  • Page 285

    Oki data confidential 44871001th rev.6 10-5 10. Appendix setup parameters administrator setup service technician setup firmware update remarks n et wo rk fa cto ry d efa ul ts * 1 s d c ar d i ni tia liza tion * 2 (fo rm at o pe n t o u se rs ) s d c ar d f or m at * 3 (c om mon p ar titi on s) s d ...

  • Page 286

    Oki data confidential 44871001th rev.6 10-6 10. Appendix setup parameters administrator setup service technician setup firmware update remarks n et wo rk fa cto ry d efa ul ts * 1 s d c ar d i ni tia liza tion * 2 (fo rm at o pe n t o u se rs ) s d c ar d f or m at * 3 (c om mon p ar titi on s) s d ...

  • Page 287

    Oki data confidential 44871001th rev.6 10-7 10. Appendix setup parameters administrator setup service technician setup firmware update remarks n et wo rk fa cto ry d efa ul ts * 1 s d c ar d i ni tia liza tion * 2 (fo rm at o pe n t o u se rs ) s d c ar d f or m at * 3 (c om mon p ar titi on s) s d ...

  • Page 288

    Oki data confidential 44871001th rev.6 10-8 10. Appendix *1 : network factory defaults: "admin setup" - "network menu" - "network setup" - "factory defaults" : it is executed to reset only network settings to the factory defaults make settings again due to unsuccessful network access. *2 : sd card i...

  • Page 289

    Oki data confidential 10. Appendix 44871001th rev.6 10-9 10.2 maintenance manual for second tray unit 10.2.1 overview 10.2.1.1 function the extended paper feed unit is installed under the printer. The device performs the auto paper feed by the operation of the pulse motor (hopping) to control a sign...

  • Page 290

    Oki data confidential 44871001th rev.6 10-10 10. Appendix 10.2.2 description for operation of second tray unit second tray unit receives a signal from the printer main body and feeds paper to the printer main body. Paper feed from the second tray unit (tray2) 1. When a signal is received from the pr...

  • Page 291

    Oki data confidential 44871001th rev.6 10-11 10. Appendix 10.2.3 part replacement this section describes how to disassemble/ assemble/ install in the field. This section describes how to disassemble, however, as for the assembly, take the opposite sequence to the disassembling procedure. 10.2.3.1 pr...

  • Page 292

    Oki data confidential 44871001th rev.6 10-12 10. Appendix 10.2.3.2 arrangement of parts the arrangement of main parts is as shown in the following figure..

  • Page 293

    Oki data confidential 44871001th rev.6 10-13 10. Appendix 10.2.3.3 how to replace parts this section describes how to replace parts shown in the following disassembling procedure. In the part replacement procedure, parts on which a part number is displayed in white figure in the black circle are rsp...

  • Page 294

    Oki data confidential 44871001th rev.6 10-14 10. Appendix 10.2.3.3.2 guard-connector, connector (9715s-08z02-g4c) (1) remove the two screws . Remove the two nuts . (2) disconnect the cable, and remove guard-connector and connector (9715s-08z02-g4c) . (3) installing is performed by the inverse proced...

  • Page 295

    Oki data confidential 44871001th rev.6 10-15 10. Appendix 10.2.3.3.3 board-gog (1) remove the two screws (black) . Remove the cover-rear . (2) remove the two screws (silver) . Remove the cover-blind-r . (3) remove the two screws (silver) . Remove the cover-blind-l . (4) remove the two screws (silver...

  • Page 296

    Oki data confidential 44871001th rev.6 10-16 10. Appendix 10.2.3.3.4 conn cord-amp8p-amp8p (1) remove the guard-connector . (refer to 3.3.2) (2) remove the cover-rear, cover-blind-r/l, plate-top. (refer to 3.3.3) (3) remove conn-cord-amp8p-amp8p from board-gog. (4) installing is performed by the inv...

  • Page 297

    Oki data confidential 44871001th rev.6 10-17 10. Appendix (3) remove the four screws (black) . Remove the two screws (silver) . (4) disconnect the five connectors from board-gog, and remove frame-assy-hop . ③ ④ ④ ⑤ ③ board-gog (5) remove the e-ring , gear-assy-clutch (hop) and gear-assy-clutch (regi...

  • Page 298

    Oki data confidential 44871001th rev.6 10-18 10. Appendix 10.2.3.3.6 frame-assy-retard, spring-retard (1) detach cassette-assy. (2) push two tabs in the direction of the arrow to remove retard-cover. (3) push frame-assy retard in the direction of the arrow. (spring-retard is also removed together.) ...

  • Page 299

    Oki data confidential 44871001th rev.6 10-19 10. Appendix 10.2.4 cleaning of paper feed roller and separation roller clean the rollers when [392: paper jam] often occurs. (1) pull the paper cassette. (2) wipe the two feed rollers with a tightly wrung cloth soaked in water through the opening for ins...

  • Page 300

    Oki data confidential 44871001th rev.6 10-20 10. Appendix 10.2.5 procedure for troubleshooting 10.2.5.1 precautions for troubleshooting (1) check the basic items to be checked in the user’s manual. (2) obtain detail information at the failure from customers as much as possible. (3) inspect the statu...

  • Page 301

    Oki data confidential 44871001th rev.6 10-21 10. Appendix • (jamerror) paper feed jam • doesajamoccuraroundtheentrancewhenturningonthepower? • yes isthepaperontheentrancesensorlever? • yes removethepaper. • no doestheentrancesensorleverworknormally? • no replacetheentrancesensorlever. • yes replacet...

  • Page 302

    Oki data confidential 44871001th rev.6 10-22 10. Appendix • main1connectorpinallocation (connection to the main control board) pin no. I/o signal function 1 1 c 0vp analog ground 2 2 o 24v motor/ clutch drive power 3 3 c 0vl logic ground 4 4 i +5v logic circuit power supply 5 5 o optsck-n opt data o...