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Xerox WorkCentre Pro 412 Service Manual

Summary of WorkCentre Pro 412

  • Page 1

    1. Introduction 2. Service call procedures 3. Precautions 4. Specifications 5. Circuit description 6. Disassembly 7. Maintenance & troubleshooting 8. Exploded views and parts list 9. Electrical parts list 10. Block diagram 11. Connection diagram 12. Schematic diagrams contents service manual part nu...

  • Page 2

    Workcentre pro 412. Service documentation. Workcentre pro 412 service manual. August 2001. Prepared by: xerox europe global knowledge & language services enterprise centre p. O. Box 17 bessemer road welwyn garden city hertfordshire al7 1he england. © copyright 2001 by xerox europe ***xerox private d...

  • Page 3: Table of Contents

    Table of contents workcentre pro 412 launch issue toc-1 august 2001 table of contents 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 1-1 organisation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

  • Page 4

    Table of contents workcentre pro 412 launch issue toc-2 august 2001 7. Maintenance & troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1 7-1 preventative maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1 7-2 diagnostics . . . . ...

  • Page 5: 1. Introduction

    Introduction workcentre pro 412 august 2001 1-1 launch issue 1. Introduction this service manual is part of a multinational service documentation system, but is not structured in the stan- dard xerox service manual format. 1-1 organisation section 1 introduction this section describes the contents o...

  • Page 6

    Introduction workcentre pro 412 august 2001 1-2 launch issue warning a warning is used whenever an operating or maintenance procedure, practice, condition or statement, if not strictly observed, could result in personal injury. Caution a caution is used whenever an operation or maintenance procedure...

  • Page 7

    Introduction workcentre pro 412 august 2001 1-3 launch issue general safety warning switch off the power to the machine and disconnect the power cord from the outlet while performing tasks that do not need the electricity on. Contact with electricity can cause death or injury. Power supply this prod...

  • Page 8

    Introduction workcentre pro 412 august 2001 1-4 launch issue laser safety warning invisible laser radiation. Avoid exposure to beam. Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure. This product contains laser w...

  • Page 9

    Introduction workcentre pro 412 august 2001 1-5 launch issue iii. Objective to enable prompt resolution of health and safety incidents involving xerox products and to ensure xerox regu- latory compliance. Iv. Definitions incident: an event or condition occurring in a customer account that has result...

  • Page 10

    Introduction workcentre pro 412 august 2001 1-6 launch issue 1-5 translation of warnings and precautions warning a warning is used whenever an operating or maintenance procedure, practice, condition or statement, if not strictly observed, could result in personal injury. Avertissement un avertisseme...

  • Page 11

    Introduction workcentre pro 412 august 2001 1-7 launch issue un avertissement est utilisé à chaque fois qu'une procédure de maintenance ou qu'une manipulation présente un risque de blessure si elle n'a pas été strictement observée. Avvertenza un’ avvertenza viene utilizzata per segnalare procedure, ...

  • Page 12

    Introduction workcentre pro 412 august 2001 1-8 launch issue operator accessible areas this product has been designed to restrict operator access to safe areas only. Operator access to hazardous areas is restricted with covers or guards, which require a tool to remove. Ensure that these covers or gu...

  • Page 13

    Introduction workcentre pro 412 august 2001 1-9 launch issue avvertenza sicurezza generale spegnere l’ apparecchio e scollegare il cavo di alimentazione dalla presa durante l’ esecuzione di operazioni che non richiedono l’ utilizzo di elettricità. Scosse elettriche accidentali possono causare lesion...

  • Page 14

    Introduction workcentre pro 412 august 2001 1-10 launch issue gefahrenbereiche im gerät der zugang zum gerät ist durch abdeckungen und mechanische verriegelungen auf sichere bereiche eingegrenzt. Gefahrenbereiche sind mit abdeckungen versehen, die nur mit werkzeug entfernt werden kön- nen. Diese abd...

  • Page 15

    Introduction workcentre pro 412 august 2001 1-11 launch issue precautions 1. Be sure that all built-in protective devices are in place. Restore any missing protective covers. 2. When re-installing chassis and assemblies, be sure to restore all protective devices, including control knobs and compartm...

  • Page 16

    Introduction workcentre pro 412 august 2001 1-12 launch issue précautions relatives aux piles au lithium la carte pwba est équipée d'une pile au lithium identifiée bat1. Observez les précautions suivantes : il existe un risque d'explosion si la pile est l'objet d'une alimentation forcée ou d'un volt...

  • Page 17

    Introduction workcentre pro 412 august 2001 1-13 launch issue 5. Kabelbaum, netzkabel und hochspannungskabel besonders in der nähe scharfer kanten auf schäden und positionsänderungen überprüfen. Der abstand zwischen komponenten und der leiterplatte darf nicht geändert werden. 6. Gerätesicherheit: ei...

  • Page 18

    Introduction workcentre pro 412 august 2001 1-14 launch issue this page intentionally blank.

  • Page 19

    Service call procedures workcentre pro 412 august 2001 2-1 launch issue 2. Service call procedures scp 1 initial actions the service call procedures section is used to identify a suspected problem with the machine. Start a service call with initial actions and end with scp 6 final actions. Initial a...

  • Page 20

    Service call procedures 2-2 august 2001 workcentre pro 412 launch issue scp 3 normal call actions normal call actions are used to determine the reason for the service call. Procedure note: if an error message appears at any time. Refer directly to the error code tables in 1-1 error codes rap, and pe...

  • Page 21: 3. Precautions

    Precautions workcentre pro 412 launch issue 3-1 august 2001 3. Precautions follow these esd precautions to prevent equipment damage. 1. Certain semiconductor devices can be easily damaged by static electricity. Such components are commonly called “electrostatically sensitive (es) devices”, or esds. ...

  • Page 22

    Precautions workcentre pro 412 launch issue 3-2 august 2001 this page intentionally blank.

  • Page 23: 4. Specifications

    Specifications workcentre pro 412 launch issue 4-1 august 2001 4. Specifications 4-1 printer printing method laser scanning unit + electro photography print speed 12 ppm (letter size, 5% area coverage) resolution true 600 x 600 dpi emulation pcl6 operation system windows 95/98/2000/nt 4.0/win-me int...

  • Page 24

    Specifications workcentre pro 412 launch issue 4-2 august 2001 4-2 facsimile 4-3 scanner machine type desk top applicable line g3 pstn compatibility itu group 3 data coding mh/mr/mmr/jpeg (colour fax transfer) fax mode standard, fine, super fine, halftone modem speed 33,600 bps transmission speed ap...

  • Page 25

    Specifications workcentre pro 412 launch issue 4-3 august 2001 4-4 copier note 1: speed claims based on the test chart: printed spdtst.Sam(mono)/letter size. Sdmp = single document multiple printout mdsp = multiple document single printout 4-5 power supply copy mode b/w scanner type ccd, flat-bed wi...

  • Page 26

    Specifications workcentre pro 412 launch issue 4-4 august 2001 4-6 dimension 4-7 packaging 4-8 environmental condition 4-9 machine life machine size (w x d x h) 554.5x 433.9 x 459.1 mm (21.8 x 17 x 18 inches) machine weight about 23 kg (50.6 pounds) with cru power cord 1ea (usa standard, ivory) ieee...

  • Page 27: 5. Circuit Description

    Circuit description workcentre pro 412 launch issue 5-1 august 2001 5. Circuit description 5-1 main pba 5-1-1 summary the main circuit that consists of cpu, mfp controller (built-in 32bit risc processor core: arm7tdmi) includ- ing various i/o device drivers, system memory, scanner, printer, motor dr...

  • Page 28

    Circuit description workcentre pro 412 launch issue 5-2 august 2001 5-2 circuit operation 5-2-1 clock 1) system clock device oscillator frequency 20mhz • ks32c61200 risc processor: drives pll internally and uses 60mhz. 2) video clock device oscillator frequency 45.3928 mhz • fvd = ((paper 1scan line...

  • Page 29

    Circuit description workcentre pro 412 launch issue 5-3 august 2001 5-2-3 risc microprocessor 1) risc microprocessor pin & interface no pin name i/o reset value description pad 1 data0 i/o input cpu data bus 0 phbtt8, 8 ma 2 data1 i/o " cpu data bus 1 " 3 data2 i/o " cpu data bus 2 " 4 data3 i/o " c...

  • Page 30

    Circuit description workcentre pro 412 launch issue 5-4 august 2001 no pin name i/o reset value description pad 31 vssi vss - 3.3 v gnd 32 data23 i/o input cpu data bus 23 phbtt8, 8 ma 33 data24 i/o " cpu data bus 23 " 34 vddp vdd - 5 v 35 data25 i/o input cpu data bus 23 phbtt8, 8 ma 36 vssp vss - ...

  • Page 31

    Circuit description workcentre pro 412 launch issue 5-5 august 2001 no pin name i/o reset value description pad 61 avref i - analog positve reference pica 62 niocs0 o h io chipselect 0 phob4, 4 ma 63 niocs2/toneout o " io chipselect 2 / toneout " 64 niocs3/buffersel o " io chipselect 2 / buffersel "...

  • Page 32

    Circuit description workcentre pro 412 launch issue 5-6 august 2001 no pin name i/o reset value description pad 91 ndreq1/rxd2/ctin[1] i - dma request1/uart 2 rxd phil, st 92 ndmack1 / txd2 o h dma ack1/uart 2 txd phob4, 4 ma 93 niocs1 / niocs5 o " io cs1 / dma io1 cs " 94 vddi vdd - 3.3 v 95 ndreq0...

  • Page 33

    Circuit description workcentre pro 412 launch issue 5-7 august 2001 no pin name i/o reset value description pad 121 ndramcas3 o l dram cas strobe 3 phob8, 8 ma 122 vsso vss - 5 v gnd 123 ndramoe o h dram data out enable " 124 ndramwe o h dram data write enable " 125 vssi vss - 3.3 v gnd 126 ndramras...

  • Page 34

    Circuit description workcentre pro 412 launch issue 5-8 august 2001 no pin name i/o reset value description pad 151 dramd13 i/o input dram data bus 13 phbtt12, 12ma 152 dramd14 i/o " dram data bus 14 " 153 dramd15 i/o " dram data bus 15 " 154 dramd16 i/o " dram data bus 16 " 155 vsso vss - 5 v gnd 1...

  • Page 35

    Circuit description workcentre pro 412 launch issue 5-9 august 2001 no pin name i/o reset value description pad 181 drama4 o l dram address bus 4 phob8, 8 ma 182 vsso vss - 5 v gnd 183 drama5 o " dram address bus 5 " 184 drama6 o " dram address bus 6 " 185 drama7 o " dram address bus 7 " 186 vddo vd...

  • Page 36

    Circuit description workcentre pro 412 launch issue 5-10 august 2001 no pin name i/o reset value description pad 211 addr9 o l address bus 9 for rom phob8, 8 ma 212 vddo vdd - 5 v 213 addr10 o l address bus 10 for rom phob8, 8 ma 214 vsso vss - 5 v gnd 215 addr11 o l address bus 11 for rom phob8, 8 ...

  • Page 37

    Circuit description workcentre pro 412 launch issue 5-11 august 2001 5-2-4 program rom (flash memory) control 1) device type no. Am29f800b capacity 4 mbyte (512k * 16bits * 4) 2) programming before assembly eprom programmer or programming at the factory after assembly download from pc 3) operating p...

  • Page 38

    Circuit description workcentre pro 412 launch issue 5-12 august 2001 5-2-5 dram control 1) device 2) operating principle dram can either read or write. The data can be stored in the dram only when the power is on. It stores data white the cpu processes data. The address to read and write the data is...

  • Page 39

    Circuit description workcentre pro 412 launch issue 5-13 august 2001 5-2-5-1 fpm dram reading timing fast page mode dram can access the page mode. It can read consecutive cells by accessing the page mode while accessing the burst. For fpm dram, the data are valid only when the ncas is active. While ...

  • Page 40

    Circuit description workcentre pro 412 launch issue 5-14 august 2001 5-2-5-2 fpm dram write timing 5mhz mclk dramd nwe noe drama ncas nras trp trc tcas tcas dat a 1 dat a 0 r ow address column address column address addr wait wait dat a dat a clock type trp trc tcas cycle # register cycle # register...

  • Page 41

    Circuit description workcentre pro 412 launch issue 5-15 august 2001 5-2-5-3 edo dram read timing basically the extended data out dram is similar to fast page mode dram. For fpm, the data are valid only when the ncas is active while reading the internal data, however, it has a latch that the data wi...

  • Page 42

    Circuit description workcentre pro 412 launch issue 5-16 august 2001 5-2-5-4 edo dram write timing 5mhz mclk dramd nwe noe drama ncas nras dat a 1 dat a 0 r ow address column trp trc tcas tcas addr wait wait dat a dat a clock type trp trc tcas cycle # register cycle # register cycle # register 58mhz...

  • Page 43

    Circuit description workcentre pro 412 launch issue 5-17 august 2001 5-2-6 fs781 (frequency attenuator) this system used fs741 for the main clock for emi suppression. It spreads the source clock in a consistent bandwidth to disperse the energy gathered in order to attenuate the energy. The capacitor...

  • Page 44

    Circuit description workcentre pro 412 launch issue 5-18 august 2001 5-3 scanner 5-3-1 summary this flat-bed type device to read manuscripts has 600dpi ccd as an image sensor. There is one optical sen- sor for detecting ccd home position and scan-end position. The home position is detected by a opti...

  • Page 45

    Circuit description workcentre pro 412 launch issue 5-19 august 2001 5-3-2 key features overview (1) 0.5µm c-mos process (tlm), 208-pin qfp, std85 library. (2) frequency: 50 mhz. (3) on-chip oscillator. (4) method: raster scanning method. (5) image sauce: 300/400/600dpi cis & ccd. (6) scanning mode....

  • Page 46

    Circuit description workcentre pro 412 launch issue 5-20 august 2001 intelligent scan motor controller (1) automatic acceleration/deceleration/uniform velocity. (2) data memory: 256x16bits = 4kbits (internal). Auto-run automatic clk_line (line processing start control) and •’tg (line scan start cont...

  • Page 47

    Circuit description workcentre pro 412 launch issue 5-21 august 2001 irq [ afe] 12-bit a/ d converter shadi ng correctio n enlarge men t / redu ction sram 8 192 x8 ( 2l ine) imag e processing m o dule dma interface cip3 register cpu i/f mod ule vp eak contro l m o to r con tro l ain adc_reft adc_ref...

  • Page 48

    Circuit description workcentre pro 412 launch issue 5-22 august 2001 5-4 host interface referred to ieee 1284 standard. 5-4-1. Host interface parallel port interface part ks32c61200 enables the parallel interface with the pc. This part is connected to the pc through a centronics connector. It genera...

  • Page 49

    Circuit description workcentre pro 412 launch issue 5-23 august 2001 1. The host places data on the data lines and indicates a data cycle by setting nautofd. 2. Host asserts nstrobe low to indicate valid data. 3. Peripheral acknowledges host by setting busy high. 4. Host sets nstrobe high. This is t...

  • Page 50

    Circuit description workcentre pro 412 launch issue 5-24 august 2001 5-4-2 usb interface 5-4-2-1 features • full-speed usb node device. • usb transceiver. • 3.3v signal voltage regulator. • 48 mhz oscillator circuit. • programmable clock generator. • serial interface engine consisting of physical la...

  • Page 51

    Circuit description workcentre pro 412 launch issue 5-25 august 2001 cs a0 vvr rd d[7:0] data_in data_out addr data_in data_out address 0x00 0x3f registerfile non-multiplexed mode interface block diagram cs a0 rd vvr d[7:0] input out vvrte address read data out burst read data non-multiplexed mode b...

  • Page 52

    Circuit description workcentre pro 412 launch issue 5-26 august 2001 5-5 engine controller 5-5-1. Fuser control / thermistor circuit this circuit controls the heat lamp temperature to fix the transferred toner on the paper. It is comprised of the thermistor that has the negative resistance against t...

  • Page 53

    Circuit description workcentre pro 412 launch issue 5-27 august 2001 5-5-3. Lsu circuit 1) polygon motor unit (actuated by +24v) the polygon motor inside lsu rotates by the ‘pmotor’ signal. When it reaches the motor constant velocity section through the initial transient (transient response) section...

  • Page 54

    Circuit description workcentre pro 412 launch issue 5-28 august 2001 5-5-7. High voltage power supply 5-5-7-1. Summary it is the high voltage power supply that has dc+24v/dc+5v (used for the image forming device in oa digital picture developing method) as the rated inputs. It supplies electrifying v...

  • Page 55

    Circuit description workcentre pro 412 launch issue 5-29 august 2001 5-5-7-3. Organization of the device hvps is comprised of electrification output unit, bias output unit and transfer output unit. 1) input unit. 2) electrification output (enable) unit: mhv (main high voltage). 3) bias output (enabl...

  • Page 56

    Circuit description workcentre pro 412 launch issue 5-30 august 2001 pwm control unit switching control unit mhv-pwm trans feedback regulation circuit opc mhv mhv output unit block diagram bias output unit block diagram.

  • Page 57

    Circuit description workcentre pro 412 launch issue 5-31 august 2001 5-5-7-4 mhv (electrification output enable) electrification output enable is the electrification output control signal ’pwm-low active’. When mhv-pwm low signal is received, q401 turns on and the steady voltage will be accepted to ...

  • Page 58

    Circuit description workcentre pro 412 launch issue 5-32 august 2001 5-5-7-6. Thv(thv(+)/thv(-) output unit) transfer(+) output unit is the transfer output control signal ’pwm-low active’. When thv-pwm low signal is received, q203 turns on and the steady voltage will be accepted to the non- invertin...

  • Page 59

    Circuit description workcentre pro 412 launch issue 5-33 august 2001 5-5-7-7. Environment recognition thv voltage recognizes changes in transfer roller environment and allows the voltage suitable for the environ- ment in order to realize optimum image output. The analog input is converted to digital...

  • Page 60

    Circuit description workcentre pro 412 launch issue 5-34 august 2001 5-6 ope pba 5-6-1 summary ope board is separated functionally from the main board and operated by the micom(z8601) in the board. Ope and the main use uart (universal asynchronous receiver/transmitter) channel to exchange informatio...

  • Page 61

    Circuit description workcentre pro 412 launch issue 5-35 august 2001 5-7 liu pba 5-7-1. Summary liu wire connects main b’d’s modem and line parts, and impedance matching (ac, dc), ring detection part and line seizure (dialer). 5-7-2. Dc matching part normal movement range of liu is 12ma to 9ma. Adap...

  • Page 62

    Circuit description workcentre pro 412 launch issue 5-36 august 2001 a r3 limits ac current and controls upper and lower ren meter. 5-8 smps (switching mode power supply) unit. 5-8-1 smps specifications there are no user-serviceable parts inside the smps unit. The smps (switching mode power supply) ...

  • Page 63

    Circuit description workcentre pro 412 launch issue 5-37 august 2001 5-8-2 ac input stage ac input power path is consist of the fuse (f501) for ac current limit, the varistor (tnr501) for by-passing high voltage surge, the discharge resistor(r508), the ac impulse noise filtering circuit (c501, lf501...

  • Page 64

    Circuit description workcentre pro 412 launch issue 5-38 august 2001 5-8-4-2. The concept of fixed lamp control for fixed lamp control, the logic unit “fuser on” control signal and smps unit dc power must be supplied. This circuit turns on only when “fuser on” sends the signal and the dc power is su...

  • Page 65

    Disassembly and reassembly workcentre pro 412 launch issue 6-1 august 2001 6. Disassembly and reassembly 6-1 general precautions on disassembly warning when you disassemble and reassemble components, you must use extreme care. The close proximity of cables to moving parts makes proper routing essent...

  • Page 66

    Disassembly and reassembly workcentre pro 412 launch issue 6-2 august 2001 6-3 scanner assembly 1. Before you remove the scanner assembly, you should remove: - rear cover (see page 6-3). 2. Remove the two screws, as shown below. 3. Open the side cover assembly and front cover, as shown below. . 4. U...

  • Page 67

    Disassembly and reassembly workcentre pro 412 launch issue 6-3 august 2001 6. Remove the connector from the platen assembly. 7. Pull the adf assembly upward and remove it. 8. Remove the eight screws securing the platen assembly. 9. Unlatch the scan upper assembly securing the glass and remove it. 10...

  • Page 68

    Disassembly and reassembly workcentre pro 412 launch issue 6-4 august 2001 11. Remove the three screws and take out the glass from the cover scan upper assembly. 12. Remove the five screws and dummy scanner lower. 13. Remove the ccd cable. 14. Pull up the shaft ccd and take out the scanner module. 1...

  • Page 69

    Disassembly and reassembly workcentre pro 412 launch issue 6-5 august 2001 6-4 adf assembly 1. Before you remove the adf assembly, you should remove: - rear cover (see page 6-3). - scanner assembly (see page 6-4). 2. Remove the five screws securing the platen cover and unlatch the adf assembly by pu...

  • Page 70

    Disassembly and reassembly workcentre pro 412 launch issue 6-6 august 2001 6-5 ope assembly 1. Before you remove the ope assembly, you should remove: - rear cover (see page 6-3). - scanner assembly (see page 6-4). 2. Pull the overlay upward and remove it. 3. Remove nine screws securing the ope pba t...

  • Page 71

    Disassembly and reassembly workcentre pro 412 launch issue 6-7 august 2001 6-6 side cover assembly 1. Remove the two screws to release the stopper securing the side cover to the main frame. 2. Release the right-bottom of the cover, then pull it the direction of arrow to release the other end. 3. Unl...

  • Page 72

    Disassembly and reassembly workcentre pro 412 launch issue 6-8 august 2001 5. Unlatch the duplex assembly securing the side cover assembly and remove it . 6. Take out the exit roller, as shown below..

  • Page 73

    Disassembly and reassembly workcentre pro 412 launch issue 6-9 august 2001 6-7 fuser assembly 1. Before you remove the fuser assembly, you should remove: - side cover assembly (see page 6-9). 2. Unplug the connector. 3. Remove the four screws and take out the fuser assembly. 4. Remove the four screw...

  • Page 74

    Disassembly and reassembly workcentre pro 412 launch issue 6-10 august 2001 6-8 exit assembly 1. Before you remove exit assembly, you should remove: - rear cover (see page 6-3). - scanner assembly (see page 6-4). - side cover assembly (see page6-9). 2. Remove three screws and unlatch the exit assemb...

  • Page 75

    Disassembly and reassembly workcentre pro 412 launch issue 6-11 august 2001 6-9 cover paper exit assembly 1. Before you remove the cover paper exit assem- bly, you should remove: - rear cover (see page 6-3). - scanner assembly (see page 6-4). - side cover assembly (see page 6-9). - exit assembly (se...

  • Page 76

    Disassembly and reassembly workcentre pro 412 launch issue 6-12 august 2001 6-10 drive assembly 1. Before you remove the drive assembly, you should remove: - rear cover (see page 6-3). - scanner assembly (see page 6-4). - side cover assembly (see page 69). - exit assembly (see page 6-12). 2. Unplug ...

  • Page 77

    Disassembly and reassembly workcentre pro 412 launch issue 6-13 august 2001 6-11 smps 1. Before you remove the lsu, you should remove: - rear cover (see page 6-3). - scanner assembly (see page 6-4). - side cover assembly (see page 6-9). - exit assembly (see page 6-12). 2. Unplug the all connectors. ...

  • Page 78

    Disassembly and reassembly workcentre pro 412 launch issue 6-14 august 2001 cover exit rear 6-13 main frame assembly 1. Before you remove the lsu, you should remove: - rear cover (see page 6-3). - scanner assembly (see page 6-4). - side cover assembly (see page 6-9). - exit assembly (see page 6-12)....

  • Page 79

    Disassembly and reassembly workcentre pro 412 launch issue 6-15 august 2001 6-15 mp assembly 1. Unplug the two connectors. 2. Remove the two screws and take out the dummy cover. 3. Pull the mp assembly upward and remove it. Dummy cover mp ass’y.

  • Page 80

    Disassembly and reassembly workcentre pro 412 launch issue 6-16 august 2001 6-16 feed assembly 1. Remove the three screws. 2. Pull the feed assembly upward and remove it. Feed ass’y 6-17 pick up assembly 1. Unplug the three connectors. 2. Remove the two screws and take out the pick up assembly, as s...

  • Page 81

    Disassembly and reassembly workcentre pro 412 launch issue 6-17 august 2001 6-18 main pba 1. Remove the two screws and take out the shield main lower. 2. Remove the two screws and take out the main pba from the shield main lower. 3. Unlatch the liu pba securing the main pba and remove it. Main pba l...

  • Page 82

    Disassembly and reassembly workcentre pro 412 launch issue 6-18 august 2001 this page intentionally blank.

  • Page 83

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-1 august 2001 7. Maintenance & troubleshooting 7-1 preventative maintenance the cycle period outlined below is a general guideline for maintenance. The example list is for an average usage of 50 transmitted and received documents per da...

  • Page 84

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-2 august 2001 group not available you have tried to select a group location where only a single location number can be used, such as when adding locations for a multi-dial operation. Try again, check location for group. Error message de...

  • Page 85

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-3 august 2001 paper jam 0 open/close door paper has jammed in paper feeding area. Paper is jammed in pick-up unit press stop and clear the jam. Paper jam 1 open/close door paper has jammed inside the unit. Paper has jammed in paper exit...

  • Page 86

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-4 august 2001 error message description solution replace drum when the machine has encoun- tered the end of life, 15000 print pages. The drum has reached the end of it’s life, install a new ela- opc unit set, pl 1-7. No cartridge the ma...

  • Page 87

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-5 august 2001 7-2-2 test mode the test mode is used to test certain functions of the machine. The available tests are: •user mode: clean drum, notify toner low •tech mode: switch test, modem test, sram test, dram test, rom test, pattern...

  • Page 88

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-6 august 2001 • sram test this test is used for checking the random access memory (ram) on the main pba. If all memory is working normally, the lcd shows testing ok!. When this testing is carried out, any picture data stored in memory i...

  • Page 89

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-7 august 2001 7-2-3 maintenance list a number of reports can be printed from the fax machine within the test mode. The protocol list and memory dump list all contain detailed information which may be required when contacting technical s...

  • Page 90

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-8 august 2001 7-2-5 firmware upgrade 1. Upgrade local machine. • by using controlcentre application (parallel & usb). - activate controlcentre 5.0. - select firmware upgrade window. - click browse icon to search the upgrade firmware. - ...

  • Page 91

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-9 august 2001 7-3 scanner 7-3-1 copy problem items to be checked. How to solve white copy • check the scan-cover is not open. • ambient light can cause image problems • check shading profile. • remake shading profile in the tech mode. •...

  • Page 92

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-10 august 2001 abnormal noise • check the scanner glass and any mechanical disturbance. • check the scanner glass is cor- rectly located and clean, check that the ccd carriage moves smoothly. • check the motor driver in driver pba. • if...

  • Page 93

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-11 august 2001 7-3-2 pc-scan problem items to be checked. How to solve scanning error • check the printer cable. • check correct installation, and use standard ieee1284 cable. • check how twain driver is installed. • remove any other sc...

  • Page 94

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-12 august 2001 7-4 fax 7-4-1 fax/telephone precautions problem items to be checked. How to solve tel line can- not be engaged (no dial tone) • when you press the “ohd” key: a) check line cord connection. B) check main liu harness, and c...

  • Page 95

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-13 august 2001 7-5 print quality error status check solution vertical black line and band. 1. Bad blade in toner cartridge. 2. Lsu. 1. Install a new toner cartridge. 2. Install a new lsu. Vertical white line. 1. Lsu window contamination...

  • Page 96

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-14 august 2001 background. 1. High voltage output is normal? 2. C/r of toner cartridge is con- taminated? 1. Set to correct voltage. 2. Install a new toner cartridge. Ghost. 1. High voltage output. 2. Pre-transfer lamp. 3. Bad high volt...

  • Page 97

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-15 august 2001 error status check solution stains on back of paper 1. Contamination of transfer roller 2. Stains of paper path 3. Pressure roller’s contami- nation 1. Clean the transfer roller with vacuum cleaner 2. Clean the area of pa...

  • Page 98

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-16 august 2001 2 charge roller 31.68mm black spot 3 supply roller 42.70mm horizontal density band 4 developer roller 56.52mm horizontal density band 5 transfer roller 57.78mm black side contamination/transfer fault 6 heat roller 82.89mm...

  • Page 99

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-17 august 2001 no image.

  • Page 100

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-18 august 2001.

  • Page 101

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-19 august 2001 all black.

  • Page 102

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-20 august 2001 vertical white line (band).

  • Page 103

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-21 august 2001 dark image.

  • Page 104

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-22 august 2001 background.

  • Page 105

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-23 august 2001 ghost.

  • Page 106

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-24 august 2001 black dot.

  • Page 107

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-25 august 2001 horizontal band.

  • Page 108

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-26 august 2001 irregular density.

  • Page 109

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-27 august 2001 white spot.

  • Page 110

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-28 august 2001 trailing edge disturbance when printing transparencies.

  • Page 111

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-29 august 2001 poor fusing.

  • Page 112

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-30 august 2001 7-6 malfunction error status check solution no power 1. Check the power supply to the machine. 2. Check fuse f1 open. 1. If power supply differs from machine spec. Contact the dealer. 2. Install a new fuse f1. Fuser error...

  • Page 113

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-31 august 2001 error status check solution jam 2 at face-up tray 1. Tried to print and stack thick paper in the face-up tray. 2. Tried to print and stack thin paper in the face-up tray. 1. When using thick paper such as envelope, card s...

  • Page 114

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-32 august 2001 no power (no lcd or leds).

  • Page 115

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-33 august 2001 fuser error.

  • Page 116

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-34 august 2001 paper jam (mis-feeding).

  • Page 117

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-35 august 2001 paper jam (jam 1).

  • Page 118

    Maintenance & troubleshooting workcentre pro 412 launch issue 7-36 august 2001 engine error.

  • Page 119

    Exploded view & parts list workcentre pro 412 launch issue 8-1 august 2001 8. Exploded view & parts list 8-1. Main exploded view & parts list 1-3 1-6 1-6 1-1 1-2 1 22 1-4 1-5 20 25 28 2 2-1 2-2 3 4 23 7 8 9 10 11 12 13 6 5 16 15 17 33 21 14 19 29 27 18 18-2 18-1 24 30 26-1 26-2 26 14-1 14-2 14-3 14-...

  • Page 120

    Exploded view & parts list workcentre pro 412 launch issue 8-2 august 2001 8-1-1 main parts list no sec code part name q’ty remark 1 ela hou-scanner ass’y 109n00585 1 1-1 ela hou-adf ass’y 022n01482 1 1-2 ela hou-platen ass’y 090n00151 1 1-3 pmo-cover open 002n02002 1 1-4 pmo-cover side l 002n02003 ...

  • Page 121

    Exploded view & parts list workcentre pro 412 launch issue 8-3 august 2001 ppr-overlay (danish) 892e79910 1 ppr-overlay (norwegian) 892e79930 1 ppr-overlay (swedish) 892e79940 1 ppr-overlay (hungarian) 892e79990 1 ppr-overlay (czech) 892e79950 1 ppr-overlay (polish) 892e79960 1 ppr-overlay (romanian...

  • Page 122

    Exploded view & parts list workcentre pro 412 launch issue 8-4 august 2001 8-2. Platen ass’y exploded view & parts list.

  • Page 123

    Exploded view & parts list workcentre pro 412 launch issue 8-5 august 2001 8-2-1 platen ass’y parts list no sec code part name q’ty remark 0 ela hou-platen ass’y 090n00151 1 1 mea rack-scan upper ass’y 600n01737 1 1-1 mct-glass adf 118n00171 1 1-2 label(l)-registration edge (l) 091n00678 1 1-3 pmo-d...

  • Page 124

    Exploded view & parts list workcentre pro 412 launch issue 8-6 august 2001 8-3. Adf ass’y exploded view & parts list 4-5 4-11 4-7 4-6 3-9 3-10 3-11 3-12 5 1 2 2-1 2-2 2-3 2-4 2-5 3-1 3-2 3-8 3-2 3-2 3 3-4 3-4 3-5 3-3 4-2 s1 s1 4 4-1 4-9 4-3 4-4 4-8 3-14 3-13 3-13 3-7 3-8 3-18 3-19 3-6 3-15 3-17 0 1-...

  • Page 125

    Exploded view & parts list workcentre pro 412 launch issue 8-7 august 2001 8-3-1 adf ass’y parts list no description sec. Code q’ty remark 0 ela hou-adf ass’y 1 1 mec rack-platen cover ass’y 090n00152 1 1-1 pmo-tx stacker 022n01478 1 1-2 ipr-washer spring cy 2 not spared 1-3 pmo-doc guide l 038n0037...

  • Page 126

    Exploded view & parts list workcentre pro 412 launch issue 8-8 august 2001 8-3-1 adf ass’y parts list (cont.) no description sec. Code q’ty remark 3-11 spring clutch 1 3-12 gear-exite 23 1 3-13 spring white bar 2 not spared 3-14 brkt white bar 025n00079 1 3-15 ppr-white bar sheet 025n00080 1 3-16 pm...

  • Page 127

    Exploded view & parts list workcentre pro 412 launch issue 8-9 august 2001 this page intentionally blank..

  • Page 128

    Exploded view & parts list workcentre pro 412 launch issue 8-10 august 2001 8-4. Side cover ass’y exploded view & parts list 7 6 12 10-6 8 10-2 10-3 10-4 10-5 10 0 21 18 20 19 16 13 11 15 14 1-2 1-5 1-8 1-8 1-6 1-10 1-10 1-11 1-9 1-9 1-3 1-3 1-7 1-1 11-4 1-4 1-4 17 1 3-3 4-2 4-1 4-3 3-2 3-1 3 4 5 2 ...

  • Page 129

    Exploded view & parts list workcentre pro 412 launch issue 8-11 august 2001 8-4-1 side cover ass’y parts list no description sec. Code q’ty remark 0 ela hou-side cover ass'y 002n02016 1 1 mea rack-duplex ass'y 1 1-1 pmo-guide dp side 1 1-2 ring-cs 2 1-3 spring-fuser exit 2 1-4 gear-dup idler 17 3 1-...

  • Page 130

    Exploded view & parts list workcentre pro 412 launch issue 8-12 august 2001 side cover ass’y parts list(cont.) no description sec. Code q’ty remark 11 cbf harness-ope gnd 1 11-1 pmo-guide dp side 1 12 pmo-tie stopper 120n00394 2 13 ipr-brkt ground b 1 14 ipr-brkt ground tr 1 15 ipr-brkt ground a 1 1...

  • Page 131

    Exploded view & parts list workcentre pro 412 launch issue 8-13 august 2001 this page intentionally blank..

  • Page 132

    Exploded view & parts list workcentre pro 412 launch issue 8-14 august 2001 8-5. Cassette ass’y exploded view & parts list 0 3 11 13 13 7 s1 8 2 1 6 10 4 9 12 5 14 15.

  • Page 133

    Exploded view & parts list workcentre pro 412 launch issue 8-15 august 2001 8-5-1 cassette ass’y parts list no description sec. Code q’ty remark 0 mec-cassette ass'y 050n00393 1 1 ipr-finger 1 2 ipr-guide plt paper 1 3 ipr-plate k/up 1 4 ipr-spr plt g/side 015n00437 1 5 pmo-cover cassette 1 6 pmo-fr...

  • Page 134

    Exploded view & parts list workcentre pro 412 launch issue 8-16 august 2001 8-6. Exit ass’y exploded view & parts list 5 10 10 s1 4 6 6 10 10 7 8 11 1 16 17 15 18 3 13 19 12 14 2 s1.

  • Page 135

    Exploded view & parts list workcentre pro 412 launch issue 8-17 august 2001 8-6-1. Exit ass’y parts list no description sec. Code q’ty remark 0 mec-exit ass'y 600n01736 1 1 pmo-guide-exit upper 1 2 pmo-guide-exit lower 1 3 pmo-guide-jam remove 1 4 mec-roller exit drv 007n01115 2 5 pmo-roller decurl ...

  • Page 136

    Exploded view & parts list workcentre pro 412 launch issue 8-18 august 2001 8-7. Feeder ass’y exploded view & parts list 2 6 5 3 7 1 4 8 s1 11 18 12 12 13 17 5 19 15 18 12 14 6 9 10

  • Page 137

    Exploded view & parts list workcentre pro 412 launch issue 8-19 august 2001 8-7-1 feeder ass’y parts list no description sec. Code q’ty remark 0 mec-feed ass'y 022n01472 1 1 pmo-frame feed 1 2 gear-feed 1 3 gear-mp/dup drv 1 4 ict-shaft feed 1 5 pmo-bushing_p/u,mp 013n00515 1 6 e-ring 1 not spared 7...

  • Page 138

    Exploded view & parts list workcentre pro 412 launch issue 8-20 august 2001 8-8. Mp ass’y exploded view & parts list 22 16 6 20 18 21 20 25 3 25 14 5 10 9 3 1 8 4 2 12 17 24 13 23 11 7 19 15.

  • Page 139

    Exploded view & parts list workcentre pro 412 launch issue 8-21 august 2001 8-8-1 mp ass’y parts list no description sec. Code q’ty remark 0 ela hou-mp ass'y 600n01741 1 1 screw-taptite 2 2 screw-taptite 1 3 ring-e 005n00781 2 4 solenoid-mp 121n00595 1 5 spring--cam mp 009n01364 1 6 spring-pick up m...

  • Page 140

    Exploded view & parts list workcentre pro 412 launch issue 8-22 august 2001 8-9. Base frame exploded view & parts list 1 14 15 11 6 1 4 12 13 1 1 5 5 10 7 3 1 8 2 9.

  • Page 141

    Exploded view & parts list workcentre pro 412 launch issue 8-23 august 2001 8-9-1 base frame parts list no description sec. Code q’ty remark 0 ela hou-base frame ass'y 1 1 screw-taptite 5 2 screw-taptite 2 3 screw-taptite 4 4 spring-torsion 1 5 foot-rubber 017n00212 2 6 cam-catch 1 7 ipr-channel bas...

  • Page 142

    Exploded view & parts list workcentre pro 412 launch issue 8-24 august 2001 8-10. Pick-up ass’y exploded view & parts list 19 17 11 18 15 10 9 14 13 4 2 12 6 16 9 7 5 3 1 8.

  • Page 143

    Exploded view & parts list workcentre pro 412 launch issue 8-25 august 2001 8-10-1 pick-up ass’y parts list no description sec. Code q’ty remark 0 ela hou-pickup ass'y 022n01485 1 1 ipr-gnd feed 1 2 ipr-gnd input 152n01895 1 3 ipr-guide input 022n01481 1 4 pmo-actuator empty 120n00393 1 5 pmo-bearin...

  • Page 144

    Exploded view & parts list workcentre pro 412 launch issue 8-26 august 2001 8-11. Drive ass’y exploded view & parts list s2 1 2 2 10 23 23 11 s1 12 13 14 23 15 23 18 17 16 23 19 20 23 21 17 22 s2 5 6 8 4 9 23 3.

  • Page 145

    Exploded view & parts list workcentre pro 412 launch issue 8-27 august 2001 8-11-1 drive ass’y parts list no description sec. Code q’ty remark 0 ela hou-drive ass'y 007n01117 1 1 ipr-brkt motor 1 2 motor-step 127n01378 2 3 harness-motor 1 4 ring-e 1 5 solenoid-duplex 121n00596 1 6 spring solenoid dp...

  • Page 146

    Exploded view & parts list workcentre pro 412 launch issue 8-28 august 2001 8-12. Main frame ass’y exploded view & parts list 4 2 3 1 1-31 1-32 1-12 1-23 1-15 1-21 1-4 1-11 1-10 1-9 1-8 1-6 1-7 1-3 1-2 1-5 1-1 1-4 1-17 1-20 1-18 1-16 1-26 1-19 1-27 1-28 1-13 1-24 1-24 1-33 1-22 1-25 1-25 1-24 1-29.1...

  • Page 147

    Exploded view & parts list workcentre pro 412 launch issue 8-29 august 2001 8-12-1 main frame ass’y parts list no description sec. Code q’ty remark 1 ela hou-frame main ass’y 600n01743 1 1-1 pmo-housing terminal 1 1-2 ipr-terminal blade 2 1-3 ipr-terminal supply 2 1-4 ipr-terminal tr 1 1-5 ipr-termi...

  • Page 148

    Exploded view & parts list workcentre pro 412 launch issue 8-30 august 2001 8-13. Fuserass’y exploded view & parts list 26 23 24 18 19 16 17 17 22 15 27 21 16 20 13 11 s2 s2 s2 s2 s1 10 12 9 1 6 7 8 6-1 6-2 14 5 4 2 3 25.

  • Page 149

    Exploded view & parts list workcentre pro 412 launch issue 8-31 august 2001 8-13-1 fuserass’y parts list no description sec. Code q’ty remark 0 ela hou-fuser(110v)ass’y 126n00182 1 110v ela hou-fuser(220v)ass’y 126n00183 1 220v 1 pmo-upper fuser 1 2 rmo-roller heat 1 3 pmo-bearing h/r-f 1 4 bearing-...

  • Page 150

    Exploded view & parts list workcentre pro 412 launch issue 8-32 august 2001 this page intentionally blank..

  • Page 151: 9. Electrical Parts Lists

    Electrical parts list workcentre pro 412 launch issue 9-1 august 2001 9. Electrical parts lists 9-1 main pba sec code no. Q’ty description jc92-01354a 1 pba main-main“scx-5100,xerox,usa,12ppm,copier” 0105-001032 2 paper-art“75g,w210,-,white,hansoi,l297” 0401-000116 d13 1 diode-switching“mmsd914t1,10...

  • Page 152

    Electrical parts list workcentre pro 412 launch issue 9-2 august 2001 main pba sec code no. Q’ty description 0801-001055 u45 1 ic-cmos logic“74vhc08,and gate,sop,14p,150mi” 0801-001056 u1 1 ic-cmos logic“74vhc32,or gate,sop,14p,150mil” 0801-001056 u2 1 ic-cmos logic“74vhc32,or gate,sop,14p,150mil” 0...

  • Page 153

    Electrical parts list workcentre pro 412 launch issue 9-3 august 2001 main pba sec code no. Q’ty description 2007-000070 r67 1 r-chip“0ohm,5%,1/16w,da,tp,1608” 2007-000070 r68 1 r-chip“0ohm,5%,1/16w,da,tp,1608” 2007-000074 r134 1 r-chip“100ohm,5%,1/16w,da,tp,1608” 2007-000074 r15 1 r-chip“100ohm,5%,...

  • Page 154

    Electrical parts list workcentre pro 412 launch issue 9-4 august 2001 main pba sec code no. Q’ty description 2007-000084 r287 1 r-chip“4.7kohm,5%,1/16w,da,tp,1608” 2007-000084 r300 1 r-chip“4.7kohm,5%,1/16w,da,tp,1608” 2007-000084 r37 1 r-chip“4.7kohm,5%,1/16w,da,tp,1608” 2007-000084 r38 1 r-chip“4....

  • Page 155

    Electrical parts list workcentre pro 412 launch issue 9-5 august 2001 main pba sec code no. Q’ty description 2007-000094 r161 1 r-chip“22kohm,5%,1/16w,da,tp,1608” 2007-000094 r8 1 r-chip“22kohm,5%,1/16w,da,tp,1608” 2007-000096 r213 1 r-chip“30kohm,5%,1/16w,da,tp,1608” 2007-000097 r1 1 r-chip“47kohm,...

  • Page 156

    Electrical parts list workcentre pro 412 launch issue 9-6 august 2001 main pba sec code no. Q’ty description 2007-000124 r133 1 r-chip“2.2kohm,5%,1/16w,da,tp,1608” 2007-000124 r45 1 r-chip“2.2kohm,5%,1/16w,da,tp,1608” 2007-000124 r81 1 r-chip“2.2kohm,5%,1/16w,da,tp,1608” 2007-000131 r230 1 r-chip“91...

  • Page 157

    Electrical parts list workcentre pro 412 launch issue 9-7 august 2001 main pba sec code no. Q’ty description 2011-001094 ra2 1 r-network“39ohm,5%,63mw,l,chip,8p,tp” 2011-001094 ra20 1 r-network“39ohm,5%,63mw,l,chip,8p,tp” 2011-001094 ra3 1 r-network“39ohm,5%,63mw,l,chip,8p,tp” 2011-001094 ra4 1 r-ne...

  • Page 158

    Electrical parts list workcentre pro 412 launch issue 9-8 august 2001 main pba sec code no. Q’ty description 2203-000189 c177 1 “c-ceramic,chip”“100nf,+80-20%,25v,y5v,tp,1608,” 2203-000189 c179 1 “c-ceramic,chip”“100nf,+80-20%,25v,y5v,tp,1608,” 2203-000189 c18 1 “c-ceramic,chip”“100nf,+80-20%,25v,y5...

  • Page 159

    Electrical parts list workcentre pro 412 launch issue 9-9 august 2001 main pba sec code no. Q’ty description 2203-000189 c266 1 “c-ceramic,chip”“100nf,+80-20%,25v,y5v,tp,1608,” 2203-000189 c267 1 “c-ceramic,chip”“100nf,+80-20%,25v,y5v,tp,1608,” 2203-000189 c268 1 “c-ceramic,chip”“100nf,+80-20%,25v,y...

  • Page 160

    Electrical parts list workcentre pro 412 launch issue 9-10 august 2001 main pba sec code no. Q’ty description 2203-000236 c131 1 “c-ceramic,chip”“0.1nf,5%,50v,np0,tp,1608” 2203-000236 c134 1 “c-ceramic,chip”“0.1nf,5%,50v,np0,tp,1608” 2203-000236 c135 1 “c-ceramic,chip”“0.1nf,5%,50v,np0,tp,1608” 2203...

  • Page 161

    Electrical parts list workcentre pro 412 launch issue 9-11 august 2001 main pba sec code no. Q’ty description 2203-000626 c197 1 “c-ceramic,chip”“0.022nf,5%,50v,np0,tp,1608” 2203-000626 c200 1 “c-ceramic,chip”“0.022nf,5%,50v,np0,tp,1608” 2203-000626 c287 1 “c-ceramic,chip”“0.022nf,5%,50v,np0,tp,1608...

  • Page 162

    Electrical parts list workcentre pro 412 launch issue 9-12 august 2001 main pba sec code no. Q’ty description 2801-004079 osc1 1 crystal-unit “6.9083mhz,50ppm,28-aam,16pf,50ohm,bk” 2804-001163 osc5 1 oscillator-clock“20mhz,50ppm,10ttl & cmos,st,5v” 2804-001473 osc7 1 oscillator-clock“45.3928mhz,100p...

  • Page 163: 10.  Block Diagram

    Block diagram workcentre pro 412 launch issue 10-1 august 2001 10. Block diagram.

  • Page 164

    Block daigram workcentre pro 412 launch issue 10-2 august 2001 this page intentionally blank.

  • Page 165: 11. Connection Diagram

    Connection diagram workcentre pro 412 launch issue 11-1 august 2001 11. Connection diagram.

  • Page 166

    Connection diagram workcentre pro 412 launch issue 11-2 august 2001 this page intentionally blank.

  • Page 167: 12. Schematic Diagrams

    Schematic diagrams workcentre pro 412 launch issue 12-1 august 2001 12. Schematic diagrams 12-1 main circuit diagram (1 of 14).

  • Page 168

    Schematic diagrams workcentre pro 412 launch issue 12-2 august 2001 12-2 main circuit diagram (2 of 14).

  • Page 169

    Schematic diagrams workcentre pro 412 launch issue 12-3 august 2001 12-3 main circuit diagram (3 of 14).

  • Page 170

    Schematic diagrams workcentre pro 412 launch issue 12-4 august 2001 12-4 main circuit diagram (4 of 14).

  • Page 171

    Schematic diagrams workcentre pro 412 launch issue 12-5 august 2001 12-5 main circuit diagram (5 of 14).

  • Page 172

    Schematic diagrams workcentre pro 412 launch issue 12-6 august 2001 12-6 main circuit diagram (6 of 14).

  • Page 173

    Schematic diagrams workcentre pro 412 launch issue 12-7 august 2001 12-7 main circuit diagram (7 of 14).

  • Page 174

    Schematic diagrams workcentre pro 412 launch issue 12-8 august 2001 12-8 main circuit diagram (8 of 14).

  • Page 175

    Schematic diagrams workcentre pro 412 launch issue 12-9 august 2001 12-9 main circuit diagram (9 of 14).

  • Page 176

    Schematic diagrams workcentre pro 412 launch issue 12-10 august 2001 12-10 main circuit diagram (10 of 14).

  • Page 177

    Schematic diagrams workcentre pro 412 launch issue 12-11 august 2001 12-11 main circuit diagram (11 of 14).

  • Page 178

    Schematic diagrams workcentre pro 412 launch issue 12-12 august 2001 12-12 main circuit diagram (12 of 14).

  • Page 179

    Schematic diagrams workcentre pro 412 launch issue 12-13 august 2001 12-13 main circuit diagram (13 of 14).

  • Page 180

    Schematic diagrams workcentre pro 412 launch issue 12-14 august 2001 12-14 main circuit diagram (14 of 14).

  • Page 181

    Schematic diagrams workcentre pro 412 launch issue 12-15 august 2001 12-15 liu circuit diagram.

  • Page 182

    Schematic diagrams workcentre pro 412 launch issue 12-16 august 2001 12-16 ope circuit diagram.

  • Page 183

    Schematic diagrams workcentre pro 412 launch issue 12-17 august 2001 12-17 hvps circuit diagram (1 of 2).

  • Page 184

    Schematic diagrams workcentre pro 412 launch issue 12-18 august 2001 12-18 hvps circuit diagram (2 of 2).

  • Page 185

    Schematic diagrams workcentre pro 412 launch issue 12-19 august 2001 12-19 smps (110) circuit diagram.

  • Page 186

    Schematic diagrams workcentre pro 412 launch issue 12-20 august 2001 12-20 smps (220) circuit diagram.

  • Page 187

    Schematic diagrams workcentre pro 412 launch issue 12-21 august 2001 12-21 adf circuit diagram.

  • Page 188

    Schematic diagrams workcentre pro 412 launch issue 12-22 august 2001 12-22 flat circuit diagram.

  • Page 189

    Schematic diagrams workcentre pro 412 launch issue 12-23 august 2001 12-23 ptl circuit diagram.

  • Page 190

    Schematic diagrams workcentre pro 412 launch issue 12-24 august 2001 12-24 sensor circuit diagram.

  • Page 191

    Schematic diagrams workcentre pro 412 launch issue 12-25 august 2001 12-25 toner rx circuit diagram.

  • Page 192

    Schematic diagrams workcentre pro 412 launch issue 12-26 august 2001 12-26 toner tx circuit diagram.