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Oki ML5720 User Manual

Summary of ML5720

  • Page 1

    Ml5720/ml5721/ml5790/ml5791.

  • Page 2

    Preface > 2 p reface 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 manufacturer also cannot guarantee that changes in software and equipmen...

  • Page 3: Eu/

    Manufacturer > 3 m anufacturer oki data corporation, 4-11-22 shibaura, minato-ku, tokyo 108-8551, japan i mporter to the eu/ authorised representative oki europe limited blays house wick road egham surrey tw20 ohj united kingdom for all sales, support and general enquiries contact your local distrib...

  • Page 4

    Contents > 4 c ontents preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 manufacturer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 importer to the eu/authorised representative. . . . . . . ....

  • Page 5

    Contents > 5 menu setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41 menu items and settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42 initialising menu settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Page 6

    Notes, cautions and warnings > 6 n otes , cautions and warnings for the protection of your product, and in order to ensure that you benefit from its full functionality, this model has been designed to operate only with genuine original ribbon cartridges. Any other ribbon cartridge may not operate at...

  • Page 7

    Introduction > 7 i ntroduction congratulations on purchasing this printer! This printer series is designed to provide highly reliable letter quality printing and high resolution graphics for the desktop/office printing environment. It combines state-of-the- art, 18-pin (ml5720/ml5721) and 24-pin (ml...

  • Page 8

    Introduction > 8 p rinting pages the whole manual, individual pages, or sections may be printed. The procedure is: 1. From the toolbar, select file, then print (or press the ctrl + p keys). 2. Choose which pages you wish to print: (a) all pages, (1), for the entire manual. (b) current page, (2), for...

  • Page 9

    Getting started > 9 g etting started r etaining packing materials after setting up your printer according to the instructions in the set-up guide, retain your packing materials and container in case you ever need to ship or transport your printer. I dentifying component parts the main parts of your ...

  • Page 10

    Getting started > 10 i nternal view 11. Paper thickness lever: set according to the thickness of the paper. 12. Ribbon cartridge: holds the printer ribbon. 13. Print head: prints the characters on the paper. 14. Pull-up guide assembly: remove when using optional pull tractor and optional cut- sheet ...

  • Page 11

    Getting started > 11 l ocating your printer > select a firm, solid surface on which to site your printer. > allow enough space around your printer (e.G. At least 60 cm from any wall) for easy access to the paper feed paths. > make sure a grounded power outlet is available nearby. P owering on your p...

  • Page 12

    Getting started > 12 2. Connect the power cable connector (1) a/c input (2) on the printer. 3. Connect the power cable to a 220/240 v ac (3a) power outlet and switch on the outlet power (3b). 4. Turn the printer power switch to on. 5. Check that the sleep, alarm, sel, tear, print quality, chr pitch ...

  • Page 13

    Getting started > 13 2. Switch off the outlet power (1a) and then unplug from the power outlet (1b). 3. Unplug the power cable connector (2) from the printer (3). P roducing a test print to check that your printer is operational, produce a test print on a sheet of 80 gsm a4 paper (for example) as fo...

  • Page 14

    Getting started > 14 7. When the test print has completed, press the load/eject button to eject the paper. Note if you want to abort the test print for any reason, press the sel button followed by the load/eject button to eject the paper and then turn the printer power switch to off..

  • Page 15

    Connecting to a computer > 15 c onnecting to a computer in this section you will interconnect your printer and computer, install the printer driver in your computer and print a test page. I nterconnecting printer and computer i nterfaces your printer is equipped with two standard data interfaces: > ...

  • Page 16

    Connecting to a computer > 16 i nterconnection 1. Ensure that both printer and computer are turned off. 2. Connect the required interface cable, usb (1) or parallel (2), or serial or network (3) to the printer and then to the computer. 3. Turn on the printer and then turn on the computer. E mulation...

  • Page 17: Oki Dipus

    Printing from a computer > 17 p rinting from a computer when printing to your printer from, for example, a windows application on your computer, make your printing selections from the driver windows that appear on screen. These driver windows have been designed to be easy to use and intuitive while ...

  • Page 18

    Paper handling > 18 p aper handling this section describes how to use cut sheet paper and continuous forms in your printer. L oading continuous forms setting up continuous forms 1. To avoid paper feeding problems, carry out the following:check your printer is on a surface approximately 75 cm above t...

  • Page 19

    Paper handling > 19 front feed (push) f eeding continuous forms r ear feed ( push ) 1. Ensure that the printer is turned on. 2. Ensure the paper type lever is set to continuous forms “rear”. 3. Open the top cover and adjust the paper thickness lever to suit the paper. See “setting the paper thicknes...

  • Page 20

    Paper handling > 20 5. Lift the locking lever (1) of the right pin tractor and slide the pin tractor as required to adjust the paper position relative to the first horizontal character centre mark. Press the locking lever back down to lock the pin tractor in the desired position. 6. Lift the locking...

  • Page 21

    Paper handling > 21 tractors. Press the locking lever down to lock the right pin tractor in the desired position. 9. Lower the top paper tray and slide it towards the front of the printer until the marks align. 10. Press the load/eject button. The continuous forms will be taken into the printer and ...

  • Page 22

    Paper handling > 22 4. Push the tabs in the arrow direction and then pull the pin tractor in your direction to release it. F ront feed ( push ) moving the tractor assembly 1. Ensure that the printer is turned off. 2. Disconnect the power cord. 3. Open the top cover. Note if there is a cut sheet in t...

  • Page 23

    Paper handling > 23 4. Remove the pull-up guide assembly support. 5. Remove the top tray by holding the tray by the tabs on both sides and pulling it up. 6. Turn the printer, so that the back of the printer is facing you. 7. Remove the tractor assembly. See “dismounting the rear pin tractor” on page...

  • Page 24

    Paper handling > 24 10. Close the top cover. 11. Open and remove the front cover (1). 12. Holding by the tabs, guide the tractor into the side frames and push it downwards to lock it in place. Loading continuous form (front) 1. Ensure that the printer is turned on. 2. Ensure that the paper type leve...

  • Page 25

    Paper handling > 25 6. Open the left and right pin tractor covers and feed the continuous forms in the direction of the arrow, locating the sprocket holes in the forms onto the sprocket pins. 7. Ensure that the forms are properly aligned on the sprocket pins, then close the pin tractor covers. 8. Ad...

  • Page 26

    Paper handling > 26 3. Push the tabs in the arrow direction and then pull the pin tractor in your direction to release it. T earing off continuous forms 1. With the sel indicator illuminated, press the tear button to feed the continuous forms to the tear-off position. 2. Carefully tear off the forms...

  • Page 27

    Paper handling > 27 r emoving continuous forms 1. Tear off the continuous forms. See “tearing off continuous forms” on page 26. 2. Press the load/eject button to move the front edge of the continuous forms backwards to the pin tractors. 3. Lift the pin tractor covers (1) and remove the forms. 4. Clo...

  • Page 28

    Paper handling > 28 l oading cut sheet paper 1. Ensure that the printer is turned on. 2. Ensure that the pin tractor covers (1) are closed to avoid the possibility of paper jams. 3. Ensure the paper type lever is set to cut sheet. 4. To load the cut sheet in the top feed paper tray, raise the top tr...

  • Page 29

    Paper handling > 29 5. Set the left margin of the paper by adjusting the paper guide (1) along the scale (2) relative to the start of printed line marker arrow. 6. Open the top cover and adjust the paper thickness lever to suit the paper. See “setting the paper thickness lever” on page 33. 7. With t...

  • Page 30

    Paper handling > 30 e jecting cut sheet paper when the printer reaches the end of the cut sheet page it automatically ejects the page. If required, add another sheet for the printer to continue printing from where it left off. To eject a cut sheet left in the printer, carry out the following: 1. Pre...

  • Page 31

    Paper handling > 31 l oading the optional cut - sheet feeder 1. Ensure the paper type lever is set to cut sheet. 2. Open the top cover and adjust the paper thickness lever to suit the paper. See “setting the paper thickness lever” on page 33. 3. Remove the front sheet support (3). 4. Place the paper...

  • Page 32

    Paper handling > 32 11. Push both paper guide locking levers (6) upward into the locked position. 12. Push the paper set lever gently backward into the set position. 13. Attach the front sheet support (3). L oading the optional roll paper stand (ml5720/ml5790) 1. Set the paper type lever to rps. 2. ...

  • Page 33

    Paper handling > 33 7. Feed the paper over the roller on the stand. 8. Set the paper onto the platen from the top of the tension bar. 9. Rotate the platen knob until the top edge of the paper reaches the roll paper, and then set the paper type lever to pull to easily adjust the paper position. 10. A...

  • Page 34

    Paper handling > 34 set the paper thickness lever for overall paper thickness as follows: carbon paper or pressure- sensitive paper (40 gsm) see below 2 part x 3 part x 4 part x 5 part x 6 part x 7 part x overall paper thickness lever position 0.06 - 0.10 mm 1 0.11 - 0.15 mm 2 0.16 - 0.20 mm 3 0.21 ...

  • Page 35

    Paper handling > 35 for information on using envelopes, labels and card stock paper, refer to the technical reference guide. Note > when using 3-inch wide media, change the centering position in the menu settings to mode 1. If the centering position is not set to 1, it will result in paper jam. > wh...

  • Page 36

    Operating instructions > 36 o perating instructions o perator panel the status/alarm indicators and button switches on the operator panel allow you to check printer status and control the printer. You can also use oki dipus utilities to check printer status and control the printer from your computer...

  • Page 37

    Operating instructions > 37 i ndicators indicators colour status meaning sel green on printer is on-line i.E. Is available to print. Off printer is off-line i.E. Is not available to print. Flashing when flashing together with the alarm indicator, printing cannot be resumed at this stage. Turn the po...

  • Page 38

    Operating instructions > 38 chr.Pitch green on led 1 with tear indicator on: printer is in menu setting mode. On > led 2 > led 1 > led 1 and 2 with alarm indicator flashing: > indicates paper loading jam. > indicates paper park/eject jam. > indicates incorrect media setting. On > led 2 > led 1 > led...

  • Page 39

    Operating instructions > 39 b utton functions the button functions described here are as in print mode. Switch status function sel on-line sets the printer to off-line. Off-line sets the printer to on-line. Lf/ff on-line/off-line feeds paper by one line. When pressed for more than 500ms, performs fo...

  • Page 40

    Operating instructions > 40 s etting menu values the following information explains the printer settings and how you can change them. Printer items and their values are printed for reference. C onfirming current settings to print the current menu settings, use a cut sheet of a4 paper or continuous f...

  • Page 41

    Operating instructions > 41 m enu setting 1. Ensure that the printer is turned on. 2. Place the cut sheet on the paper tray, the paper is gripped by the printer. 3. Press and hold down the chr pitch button and then the print speed button to enter menu mode, menu print? Is printed. 4. Press the lf/ff...

  • Page 42

    Operating instructions > 42 m enu items and settings in the menu settings tables below, factory default settings are shown in bold. Group item function sets ml5720/ml5721 ml5790/ml5791 printer control emulation mode select emulation mode. Ibm ppr, epson fx, ml epson lq, ibm ppr, ibm agm font print m...

  • Page 43

    Operating instructions > 43 symbol sets character set select character code table. Set i set ii standard (ml mode only) line graphics (ml mode only) block graphics (ml mode only) set i set ii language set select a language character set. Ascii french german british danish i swedish i italian spanish...

  • Page 44

    Operating instructions > 44 symbol sets cont. Code page select a code page. Usa canada french multilingual portugal norway turkey greek_437 greek_869 greek_928 greek_437 cyprus polska mazovia serbo croatic i serbo croatic ii ecma-94 hungarian cwi windows greek windows east europe windows cyrillic ea...

  • Page 45

    Operating instructions > 45 rear feed (push) line spacing select line feed pitch. 6 lpi 8lpi form tear-off when printer is idle (0.5, 1.0 or 2.0 sec), paper is advanced from the current print position to the tear position. When data is received, paper is moved to its original printing position. Manu...

  • Page 46

    Operating instructions > 46 rear feed (push) cont. Continuous paper top of form select an adjustment value for the reference position in regard to the top of form of a continuous form. 2.12 mm (1/12”) 4.23 mm (2/12”) 6.35 mm (3/12”) 8.47 mm (4/12”) 10.58 mm (5/12”) 12.70 mm (6/12”) 14.82 mm (7/12”) ...

  • Page 47

    Operating instructions > 47 front feed (push) cont. Page length select the length of a continuous form. 279.4 mm (11”) 296.3 mm (11 2/3”) 304.8 mm (12”) 355.6 mm (14”) 431.8 mm (17”) 76.2 mm (3”) 82.6 mm (3.25”) 84.7 mm (10/3”) 88.9 mm (3.5”) 93.1 mm (11/3”) 101.6 mm (4”) 127.0 mm (5”) 139.7 mm (5.5...

  • Page 48

    Operating instructions > 48 pull line spacing select line feed pitch. 6 lpi 8 lpi skip over perforation select whether to skip over perforation or not. (when a skip over perforation command is received, the received command is given priority.) no 25.4 mm (1”) page width (displayed only for ml5721/ml...

  • Page 49

    Operating instructions > 49 cut sheet top cont. Page length select the page length of cut sheet. 279.4 mm (11” in) 296.3 mm (11 2/3”) 304.8 mm (12”) 420.9 mm (16.57”) 355.6 mm (14”) 76.2 mm (3”) 82.6 mm (3.25”) 84.7 mm (10/3”) 88.9 mm (3.5”) 93.1 mm (11/3”) 101.6 mm (4”) 127.0 mm (5”) 139.7 mm (5.5”...

  • Page 50

    Operating instructions > 50 cut sheet top cont. Cut sheet top of form select the reference position for the tof position when feeding cut sheet. (up to the mid-section of characters in the first line.) 2.12 mm (1/12”) 4.23 mm (2/12”) 6.35 mm (3/12”) 8.47 mm (4/12”) 10.58 mm (5/12”) 12.70 mm (6/12”) ...

  • Page 51

    Operating instructions > 51 cut sheet front cont. Cut sheet auto eject position select a printable area at the bottom of cut sheet paper in cut sheet mode (the character centre position). 6.35 mm (3/12”) 12.70 mm (6/12”) 14.82 mm (7/12”) invalid tof adjust select an adjustment value for the referenc...

  • Page 52

    Operating instructions > 52 set-up cont. Paper end detection select whether to detect paper end or not. Change to off to override the sensor and print closer to the bottom of the page. On off - print registration 1 adjust the print starting position on printing in the reverse direction. (the positio...

  • Page 53

    Operating instructions > 53 set-up cont. Print del code (displayed only for ml emulation) change the setting to yes to print the del code (decimal 27) as a solid box. No yes - si select pitch (10 cpi) (displayed only for ibm emulation) select how to handle an si command received in 10 cpi mode. 17.1...

  • Page 54

    Operating instructions > 54 set-up cont. Print direction at dh mode select the print direction at the double height printed. Uni-directional bi-directional sleep time set idle time to enter sleep mode. 5 min 10 min 15 min 30 min 60 min pin control select whether to have or not have print control dur...

  • Page 55

    Operating instructions > 55 serial i/f cont. (displ- ayed when connec- ted to serial interface) diagnostic test select to perform input/ output diagnosis of rs-232c interface signals. No yes busy line select to set the busy line. Ssd- ssd+ dtr rts baud rate select to set the baud rate. 9,600 bps 4,8...

  • Page 56

    Operating instructions > 56 csf bin 1 cont. (display- ed when single-bin cut-sheet feeder is installed) tof adjust select an adjustment value for the reference position in regard to the tof position of cut sheet paper. The position moves to the rear of the form by (+) and to the top of the form by (...

  • Page 57: Tof

    Operating instructions > 57 i nitialising menu settings to restore the menu settings to their initial values, carry out the steps below. 1. Set the power switch to off. 2. Press and hold down the sel and lf/ff buttons together and then set the power switch to on. The sel led will flash. 3. Press and...

  • Page 58

    Operating instructions > 58 > to feed the paper backward by a small amount (1/180 in), press the load/eject and lf/ff buttons together. 7. When the paper is positioned at the required tof, release the buttons in step 6 above. To save this position as the tof, press and hold the sel button and then p...

  • Page 59

    Troubleshooting > 59 t roubleshooting c learing paper jams c ut sheet paper jammed in printer 1. Set the power switch to off. 2. Open the top cover. 3. Set the paper thickness lever to position 10. 4. Remove the ribbon cartridge. See “changing a ribbon cartridge” on page 68. 5. Move the print head a...

  • Page 60

    Troubleshooting > 60 6. Rotate the platen knob in the relevant direction and pull the cut sheet out from the top of the printer. 7. If a paper fragment remains inside the printer: (a) use tweezers to grip and extract it or (b) insert a triple folded sheet from the paper tray and turn the platen knob...

  • Page 61

    Troubleshooting > 61 4. Remove the top paper tray by holding the tray by the tabs on both sides and pulling it up from the printer. 5. Raise each pin tractor cover and remove the continuous forms from the pin tractors. 6. Rotate the platen knob and remove the forms from the front of the printer. 7. ...

  • Page 62

    Troubleshooting > 62 10. Set the power switch to on. R esponding to alarm conditions use the following table for guidance on how to respond to indicated alarm conditions. R esponding to general problems use the following table to help you to identify symptoms with possible causes and take suggested ...

  • Page 63

    Troubleshooting > 63 print position offset the horizontal printing position is offset. The start position may change after the printer is powered on. When the printer is powered on, switch from off-line mode to on-line mode by pressing the sel button. Reset the start position. You must set the power...

  • Page 64

    Troubleshooting > 64 too high or too low tof (where printing starts). The tof is not correctly selected. Initialise the printer. Select correct tof for cut sheet and continuous forms. Select the first-line print position and adjust the paper top position. Reselect the margin correctly in the applica...

  • Page 65

    Troubleshooting > 65 improper cut sheet feed no paper feed. Sheets are located off the paper guide. Load sheets with their left edges against the paper guide. Sheets are not loaded to the end. Load sheets to the end. Continuous forms instead of cut sheets are fed. The printer is in the continuous fo...

  • Page 66

    Troubleshooting > 66 paper feed operations for both cut sheets and continuous forms are actuated. The cut sheet is not ejected. Eject the cut sheet. Problem cause action.

  • Page 67

    Cleaning your printer > 67 c leaning your printer to keep your printer in good operating condition, you are advised to clean it regularly. P rinter exterior clean the exterior of the printer as required, but at least every six months or 300 hours of operation, whichever comes first. > moisten a piec...

  • Page 68

    Consumables and accessories > 68 c onsumables and accessories c onsumables when the printed image becomes faint or incomplete, replace the ribbon cartridge. C hanging a ribbon cartridge 1. Set the power switch to off. 2. Open the top cover and set the paper thickness lever to position 10. 3. Move th...

  • Page 69

    Consumables and accessories > 69 4. Holding the sides of the ribbon guide, slope it up and out to remove it from the carriage. 5. Holding the ribbon cartridge close to both ends, slope it up and out until it unlocks then remove it along the direction indicated by the arrows. 6. Dispose of the cartri...

  • Page 70

    Consumables and accessories > 70 7. Remove the new ribbon cartridge from its wrapping and note the position of the ribbon guide (1), knob (2) and pin (3). 8. In the direction indicated by the arrows, insert the pins at both ends of the ribbon cartridge (1) into the u grooves (2) in the printer until...

  • Page 71

    Consumables and accessories > 71 9. Holding the sides of the ribbon guide slope it downward until the ribbon guide comes in line with the slot of the print head. 10. Move the print head horizontally to ensure that the ribbon is properly installed. 11. Turn the knob (1) clockwise (in the direction of...

  • Page 72

    Consumables and accessories > 72 12. Set the paper thickness lever to match the paper being used. ( see “setting the paper thickness lever” on page 33. ) 13. Close the top cover. 14. Set the printer power switch to on. C onsumable order information item model life order no. Ribbon cartridge (black) ...

  • Page 73

    Installing options > 73 i nstalling o ptions i nstalling the c ut - sheet feeder to install the optional cut-sheet feeder (csf) carry out for the following: 1. Ensure that the printer is turned off. 2. Ensure that the paper type lever is set to cut-sheet. 3. Open the top access cover, adjust the pap...

  • Page 74

    Installing options > 74 5. Remove the pull-up guide assembly (1) by disengaging the latches (2) on both sides, pulling it forwards (3) and then pulling it up (4). 6. Guide the edge of cut-sheet feeder on both sides onto the platen and then press down to lock it in place. 7. Plug in the csf connector...

  • Page 75: (Ml5720/ml5790)

    Installing options > 75 8. Set the printer power switch to on. I nstalling the r oll paper stand (ml5720/ml5790) to install the optional roll paper stand (rps), carry out the following: 1. Ensure that the printer is turned off. 2. Ensure that the paper type lever is set to rps. 3. Remove the pull-up...

  • Page 76

    Installing options > 76 4. Remove the top tray by holding the tray by the tabs on both sides and pulling it up from the printer. 5. Install the separator (1). Insert the rps (2) into the separators insertion slots (3) and push it backward (4). 6. Plug in the rps connector into the port in the rear o...

  • Page 77

    Installing options > 77 i nstalling the n etwork and serial interface card to install any of the above options, follow the detailed installation sheet that accompanies the option. O ption order numbers option model order number pull tractor ml5720/ml5790 44753902 ml5721/ml5791 44754002 cut-sheet fee...

  • Page 78

    Specifications > 78 s pecifications model model number ml5720 d22540b ml5721 d22550b ml5790 d22560b ml5791 d22570b item specification print method impact dot matrix print head ml5720/ml5721 ml5790/ml5791 18 pin, 0.3mm (0.012 in) diameter 24 pin, 0.2mm (0.0079 in) diameter dimensions ml5720/ml5790 ml...

  • Page 79

    Index > 79 i ndex a alarm indications ................... 62 aligning perforations ............. 26 c changing paper paths continuous forms to cut sheet 30 cut sheet to continuous forms 30 cleaning exterior ............................. 67 interior .............................. 67 continuous forms ...

  • Page 80

    Oki contact details > 80 o ki contact details oki systems (uk) limited blays house wick road egham surrey tw20 0hj tel:+44 (0) 1784 274300 fax:+44 (0) 1784 274301 http://www.Oki.Co.Uk oki systems ireland limited the square industrial complex tallaght dublin 24 tel:+353 (0) 1 4049590 fax:+353 (0)1 40...

  • Page 81

    Oki contact details > 81 general systems s.R.L. (romania) sos. Bucuresti-ploiesti nr. 135. Bucharest 1 romania tel: +40 21 303 3138 fax: +40 21303 3150 website: http://romania.Oki.Com var vänlig kontakta din Återförsäljare i första hand, för konsultation. I andra hand kontakta oki systems (sweden) a...

  • Page 82

    45691702ee rev1.