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Problem

There are dots missing in my printouts.

Solution

The head gap may not be set correctly. Try moving the headgap lever 
to a lower setting. If that doesn’t help, the printhead may be 
damaged; call for service.

Problem

The 

ALARM 

light is flashing.

Solution

Try turning the printer 

OFF

 and then back 

ON

 again. If the light still 

blinks, call for service.

Problem

The 

ALARM

 light is ON and the 

Character Pitch 10 

light is flashing.

Solution

This indicates that the paper lever is set at the wrong position for the 
paper you are trying to use. Move it to the proper setting.

Problem

The 

ALARM

 light is ON and the 

Character Pitch 15

 light is flashing.

Solution

This indicates a paper jam. Press the 

SEL

 

key and correct the paper 

jam situation. See “Clearing Paper Jams,” in chapter 3.

Problem

The printer needs paper. The 

ALARM

 is not ON and I can’t load paper.

Solution

1.

Press and release the 

SEL

 key.

2.

Press and hold the 

SHIFT

 key and press the 

RESET /

CHARACTER PITCH 

key.

The 

ALARM

 light illuminates and you can now load paper.

Summary of Contents for ML5590/91

Page 1: ...ML5590 91 user s guide ...

Page 2: ...ompleteness of the information contained herein The most up to date drivers and manuals are available from the Oki Europe website http www okieurope com Copyright 2003 All rights reserved Oki and Microline are registered trademarks of Oki Electric Industry Company Ltd Hewlett Packard HP and LaserJet are registered trademarks of Hewlett Packard Company Microsoft MS DOS and Windows are registered tr...

Page 3: ...orm TOF 16 Temporarily Changing the Top of Form 18 Resetting Top of Form to the Factory Default 18 Forms Tear Off Feature 18 Potential issues with software packages 19 Changing the Forms Tear Off Setting 20 Manual Forms Tear Off 20 Paper Park 21 Changing Paper Paths 21 Continuous Forms to Single Sheets 21 Single Sheets to Continuous Forms 22 Printhead Gap 24 Print Quality 25 Character Pitch 26 Pri...

Page 4: ...ting Paper Jams 59 Single Sheet Paper Jams 62 Cleaning the Housing 63 Troubleshooting 65 General Information 65 Parts and Accessories 70 Printer Control Codes 72 Epson LQ Commands 72 IBM Commands 75 Specifications 77 Setting up your Printer 81 Location 81 Unpacking 81 Installing the Ribbon Cartridge 84 Ribbon Cartridge Handling 84 Power Connection 86 Computer Connections 87 Parallel LPT IEEE 1284 ...

Page 5: ...n text which may help you to use and understand the product CAUTION A caution appears in this manual like this A caution provides additional information which if ignored may result in equipment malfunction or damage WARNING A warning appears in this manual like this A warning provides additional information which if ignored may result in a risk of personal injury ...

Page 6: ...orms Tear Off feature allows a printed continuous forms page to be torn off without wasting paper or adjusting the printer When printing stops Forms Tear Off automatically moves the paper to align the perforation with the tear bar located under the access cover after a time interval which you select through the menu Paper remains in the tear off position until the printer receives more data Then t...

Page 7: ...er jams The first line prints at the red line of the plastic paper shield 1 on the printhead For more information see Top of Form TOF in Using your Printer Turning the Platen Knob Always turn the printer off before turning the platen knob If you turn the platen knob when the printer is on the Top of Form will misalign NOTE The Forms Tear Off and the Top of Form settings interact For more informati...

Page 8: ... the Menu from Full Operation the factory default to Limited Operation When Limited Operation is selected the PRINT QUALITY and CHARACTER PITCH keys don t work This prevents these settings from being changed from the control panel when several people are using the printer For more information see Changing the Menu Settings in Using your Printer ...

Page 9: ...lect your Language 3 When the Menu Installer window appears click the Driver Installation button 4 Follow the on screen instructions INSTALLING THE DRIVER 1 When the Add Printer window appears click Next 2 Select the directory on the CD where the drivers are located on the Oki CD they are situated in X Drivers WinVer CodePage where X is CD drive letter NOTE If the CD does not AutoPlay click Start ...

Page 10: ...ting l IBM Proprinter XL24e l IBM Proprinter III INTERFACES GENERAL Your printer is equipped with a selection of data interfaces Under no circumstances attempt to use both parallel and USB ports simultaneously 1 Parallel For direct connection to a PC This port requires a bi directional IEEE 1289 compliant parallel cable 2 USB For connection to a PC running Windows 98 or above not Windows 95 upgrad...

Page 11: ... CABLE Due to the number of possible variants of operating systems it is not possible to describe every combination Terminology may varybetween Windows operatingsystems andsome knowledge is assumed If you are unsure how to proceed you should consult your computer documentation or system manager for details This example uses Windows 2000 Professional 1 Ensure the printer and computer are easily acc...

Page 12: ...t computer The paper size can be altered by using the drop down arrow and selecting an alternative size 7 If the printer had formerly been used as a parallel or serial device and there is no output from the printer once a USB cable has been connected check to see that the correct port has been selected This information can also be found in the Properties folder but under the Ports tab Amend as nec...

Page 13: ...nter COMPONENTS TOP FEED SINGLE SHEETS 1 Sheet Guide 5 Control Panel 2 Paper Lever 6 Acoustic Cover 3 ON OFF Switch 7 Access Cover 4 Platen Knob 1 Paper Guides 5 Platen Knob 2 Sheet Guide 6 Control Panel 3 Paper Lever 7 Acoustic Cover 4 ON OFF Switch NOTE For single sheet printing the paper lever must be in the middle position 1 2 3 4 5 6 7 1 2 3 4 5 6 7 ...

Page 14: ... shield 1 on the printhead CAUTION If you turn the platen knob when the printer is not at Top of Form the TOF will misalign Always feed the paper to TOF before turning the platen knob NOTE Your software may print the first line of print above or below where TOF is set You may need to adjust the TOF to meet your software s requirements The Top of Form and Forms Tear Off settings of your printer int...

Page 15: ...er the Menu Mode 3 Press PARK 4 to print the menu 4 Look for the Form Tear Off setting in the paper feed group you are using Rear Feed Bottom Feed or Top Feed Forms Tear Off appears in the Top Feed group only if the optional Roll Paper Stand is installed To use the TEAR key 1 Make sure paper is loaded and wait 2 seconds 2 Press TEAR 3 l If the paper moves up Forms Tear Off is OFF l If the paper mo...

Page 16: ...e SEL light goes out 4 Press and hold SHIFT 2 then l Press LF Micro Feed Down 3 to set the TOF higher the paper moves down l Press FF LOAD Micro Feed Up 4 to set the TOF lower the paper moves up When you begin pressing the Micro Feed key the printhead will move to the right 5 Press SEL MENU 1 to place the printer back on line To reset the Top of Form to the factory default see Resetting Top of For...

Page 17: ...t TOF and the SEL light is illuminated 4 If the printer is ON line press SEL MENU 1 to take the printer OFF line The SEL light goes out 5 Press and Hold SHIFT then l Press LF Micro Feed Down 3 to set the TOF higher the paper moves down l Press FF LOAD Micro Feed Up 4 to set the TOF lower the paper moves up When you begin pressing the Micro Feed key the printhead will move to the right 6 Press SEL ...

Page 18: ...aper FORMS TEAR OFF FEATURE This feature is normally turned off To use Forms Tear Off you must enter the menu and change the setting to the desired time interval see Changing the Forms Tear Off Settings The Forms Tear Off feature allows a printed continuous forms page to be torn off without wasting paper or adjusting the printer It can be used for rear feed continuous forms bottom feed continuous ...

Page 19: ...ckage you are using pauses for a long enough interval while sending data to the printer Forms Tear Off may be activated No data is lost but this causes uneven print registration due to the paper movement If this occurs use the menu to turn off this feature then use the TEAR key to move the paper up to the tear position manually see Changing the Forms Tear off Settings NOTE You can also move the pa...

Page 20: ...y until Form Tear Off appears in the second column Rear Feed Form Tear Off Off 4 Press SET 5 until the time interval you wish to select appears in the third column Rear Feed Form Tear Off 1 Sec 5 Press SHIFT 2 SEL 1 to exit Menu Mode and save the setting MANUAL FORMS TEAR OFF If you don t wish to engage the Forms Tear Off feature you can advance l rear feed continuous forms loaded on the built in ...

Page 21: ...ets simply press PARK 6 to retract the continuous form paper from the paper path then lift the sheet guide load the sheet and send the print job CHANGING PAPER PATHS CONTINUOUS FORMS TO SINGLE SHEETS 1 Tear off any printed pages then press PARK 2 Raise the sheet guide 1 to the single sheet feed position 3 Pivot the wire feed guide into the sheet guide CAUTION Never park labels 1 ...

Page 22: ...n marked TOP 5 Adjust the paper guides 1 for the size of paper you are using then place a sheet of paper in the sheet guide SINGLE SHEETS TO CONTINUOUS FORMS 1 Press FF LOAD to remove the single sheet paper 2 Lower the sheet guide into the continuous forms position 1 1 ...

Page 23: ...YOUR PRINTER 23 3 Swing the wire feed guide over onto the pull up roller 4 Move the paper lever to the appropriate position l Rear feed l Bottom feed l If necessary load continuous form paper 5 Press FF LOAD ...

Page 24: ...he recommended setting from the table CAUTION Make sure the printer is turned OFF before you open the access cover Setting Media 1 Standard paper 2 2 part form with carbon 3 3 part form with carbon 4 4 part form with carbon 5 Envelopes or extra thick paper NOTE When the head gap is set to 2 3 4 or 5 the printer automatically slows down for better print quality with multipart forms 1 ...

Page 25: ...quality higher speed Gothic typeface only To select the typeface you want press PRINT QUALITY 1 until the appropriate front panel lights are on NOTE Front panel settings for print quality and character pitch are normally overridden by software commands Type face Lights on Courier LQ and COURIER Gothic LQ and GOTHIC Orator LQ and ORATOR Prestige LQ and PRESTIGE Roman LQ COURIER and GOTHIC Swiss LQ ...

Page 26: ...used for spreadsheets Proportional PROP sets character widths based on the character itself e g the letter i is assigned a narrower width than the letter m This provides a more polished typeset appearance To select Proportional press the CHARACTER PITCH key until both the cpi value and PROP lights are illuminated To select non proportional press the CHARACTER PITCH key until the light for the cpi ...

Page 27: ...mulations Make sure paper is loaded 1 Press and hold SHIFT 2 then press SEL 1 2 Press LF 3 The following line will print Printer Control Emulation Mode EPSON LQ 3 Press TEAR 4 repeatedly until the emulation you wish to select prints in the right hand column NOTE Pressing SHIFT and RESET reinitialises the printer but does not affect any menu settings and does not reset the printer to the factory de...

Page 28: ...USING YOUR PRINTER 28 4 Press and hold SHIFT 2 then press SEL 1 to save your setting and exit the Menu Mode ...

Page 29: ...e previous Group ITEM Key Prints the next Item in the Group With the SHIFT key prints the previous Item in the Group SET Key Prints the next setting for an Item With the SHIFT key prints the previous setting for an Item PRINT Key Prints a copy of all the Menu settings With the SHIFT key prints the current settings for the Group selected MENU Light Illuminated when the printer is in Menu Mode NOTE ...

Page 30: ...the settings for all menu items regardless of the emulation selected or the accessories installed Make sure paper is loaded in the printer 1 Press and hold SHIFT then press SEL to enter the Menu Mode 2 Press and hold SHIFT then press PRINT QUALITY CHANGING THE MENU SETTINGS 1 Press and hold SHIFT then press SEL to enter the Menu Mode 2 Use the GROUP ITEM and SET keys to make your changes 3 Press G...

Page 31: ... defaults are set in bold italic Some groups or entries will only appear when a specific emulation is engaged as noted NOTE If you turn off the printer without first exiting the Menu Mode the changes you have made will be lost Group Item Settings Printer Control Emulation Mode EPSON LQ IBM PPR IBM AGM Font Print Mode Pitch Proportional Spacing Style Size LQ Courier LQ Roman LQ Swiss LQ Swiss Bold ...

Page 32: ...dows Cyrillic East Europe Latin II 852 Cyrillic I 855 Cyrillic II 866 Kamenicky MJK ISO Latin 2 Turkey_857 Latin 5 Windows Turkey Ukrainian Bulgarian ISO Latin 6 8859 10 Windows Baltic Baltic_774 KBL Lithuanian Cyrillic Latvian Roman 8 Icelandic 861 Multilingual 858 ISO 8859 15 Greek_737 Asmo 449 Asmo 708 Arabic 864 Windows Arabic Rear Feed Line Spacing Form Tear Off Skip Over Perforation Page Wid...

Page 33: ...pi Time Out Print Auto Select Centring Position CSF Type Power Saving Power Save Time When IBM emulation is selected When Cut Sheet Feeder is fitted Bi directional Uni directional 1 Line 32K 64K 128K No Yes 0 range to 0 25 mm to the right or left set in 0 05 mm increments Press SEL to shift registration to the left press SHIFT SEL to shift registration to the right 0 range to 0 25 mm to the right ...

Page 34: ...nstalled None Odd Even 8 Bits 7 Bits Ready Busy X ON X OFF No Yes SSD SSD DTR RTS 19200 bps 9600 bps 4800 bps 2400 1200 600 300 bps Valid Invalid Ready On Power Up Ready On Select 200 ms 1 sec CSF Bin 1 Line Spacing Bottom Margin Page Width Wide model Page Length 6 LPI 8 LPI Valid Invalid 8 13 6 11 11 2 3 12 14 17 5 3 5 4 5 5 6 7 8 8 5 CSF Bin 2 Line Spacing Bottom MarginV Page Length When Cut She...

Page 35: ...erface can control automatic line feed Some interface cables are wired in such a way that automatic line feed is always in effect this item eliminates this potential problem If your system uses pin 14 of the parallel interface to control automatic line feed change the setting to Valid Auto Select Default No Determines whether or not your printer will automatically be selected after you load in pap...

Page 36: ...en the optional Serial Interface is installed Sets the length of the busy signal when the Ready Busy protocol factory default is engaged Busy Time Default 200ms Appears only when the optional Serial Interface is installed Sets the length of the Busy signal when the Ready Busy protocol factory default is enabled Centering Position Default DEFAULT Used to limit printhead travel when printing narrow ...

Page 37: ...ic_774 KBL Lithuanian Cyrillic Latvian Roman 8 Icelandic 861 Multilingual 858 ISO 8859 15 Greek_737 Asmo 449 Asmo 708 Arabic 864 Windows Arabic CSF Bin Select Default Bin 1 Appears only when the optional Dual Bin Cut Sheet Feeder is installed Use this to switch to Bin 2 as the default CSF Type Default Wide To avoid paper jams change this setting to Narrow if you are using the optional Cut Sheet Fe...

Page 38: ...hange to uni directional graphics for better registration but slower printing With this set for bi directional you can optimise the registration using the Print Registration setting in the Menu Graphics Speed Default Low Change to HIGH for faster printing when the optimum print quality is not an issue I Prime Default Buffer Print Determines what the printer will do when it receives the I Prime sig...

Page 39: ... are using the printer Page Length Default 12 Selects the length of the paper you are using This enables the printer to keep track of the initial printing position TOF on each page Page Length Control Default by Menu Setting If you wish to use the Paper End sensor to detect the actual paper end use Actual Page Length setting If you use by Menu Setting the printer will disregard the Paper End PE an...

Page 40: ...nch cpi Power Save Time Default 5 min Sets the interval the printer waits for more data before it goes into the power save mode Power Saving must be set to Enable the factory default for this to be effective Power Saving Default Enable Change to Disable if you wish to prevent the printer from entering the Power Save mode after the selected interval Print Mode Default LQ Courier Choose the quality ...

Page 41: ...ile printing but if you abort the print job the printer will stop much sooner Reset Inhibit Default No Select Yes if you wish the printer to ignore the reset command sent by software This prevents your software from changing the settings you make through the front panel controls or through printer commands Serial Data 7 8 Bits Default 8 Bits Appears only if the optional Serial Interface is install...

Page 42: ...its own page formatting controls Style Default Normal Change to Italics if you want the printed characters to be slanted Time Out Print Default Valid If your software spends a long time processing between portions of data it feeds to the printer change the setting to Invalid to keep your printer from dumping the received data while it is waiting for more Wait Time Default 1 sec Sets the amount of ...

Page 43: ...lled in your printer Look for the printer model number on the ribbon package RIBBON CARTRIDGE HANDLING l Leave unused ribbon cartridges in their packages until needed l Careful the ribbon ink may cause permanent stains l Ribbon ink on skin or clothing can usually be removed with soap and water Make sure the printer is turned OFF 1 Open the access cover and center the printhead ...

Page 44: ... ribbon 4 Turn the take up knob 1 in the direction of the arrow to take up any ribbon slack 5 Close the access cover and turn the printer back on If ribbon should contact the eyes Flush eyes with large quantities of water for 15 minutes keeping eyelids open with fingers Seek medical attention If ribbon should contact the skin Wash thoroughly with soap and water WARNING The printhead may be HOT 1 1...

Page 45: ...ed paper 1 Lock Lever 2 Upper Tractor Cover 3 Pins Loading Rear Feed Paper from the Back of the Printer These instructions assume you have ready access to the back of the printer If you do not go to Loading Rear Feed Paper from the Front of the Printer Make sure the paper lever is forward position marked REAR 1 2 3 ...

Page 46: ... slightly then slide it back 3 Pivot the sheet guide forward and gently rest it against the roller assembly Careful If you push the sheet guide too hard against the roller assembly it may dislodge it If it does be sure to reseat the roller assembly before continuing 1 1 2 3 ...

Page 47: ...tor as viewed from the back of the printer to the reference mark 2 matching the width of the paper you are loading Then close the lock lever on the right tractor 6 Open the tractor covers NOTE The movement of the right tractor is limited to ensure that the paper covers the paper sensor 1 1 1 5590 2 15 16 10 9 5 5591 ...

Page 48: ...ace continuous forms paper on the first two pins of either tractor Important You must keep the number of paper holes engaged on either pin the same If you don t the paper will skew and jam 8 Close the right tractor cover ...

Page 49: ... holes in the paper are centered on the pins then lock the lever and close the left tractor cover 10 Lower the sheet guide and slide it towards the front of the printer until the marks align NOTE If the paper is too loose or too tight it can cause jams ...

Page 50: ...you do not have ready access to the back of the printer If you do go back to Loading Rear Feed Paper from the Rear of the Printer earlier in this chapter 1 Lock Lever 2 Upper Tractor Cover 3 Pins NOTE The factory default setting for the Top of Form where the printing should begin is 1 down from the top of the page To change the setting see Top of Form TOF in the previous chapter 1 2 3 ...

Page 51: ...MAINTENANCE 51 Make sure the paper lever is forward position marked REAR 1 Open the access cover 1 2 Grasp the tabs and lift off the sheet guide 1 ...

Page 52: ... to lock it in place then move the right tractor to fit the width of the paper You will find reference marks 1 in illustration below on the printer for the two most common paper sizes NOTE The movement of the left tractor as viewed from the front of the printer is restricted to ensure that the paper covers the paper out sensor 1 5590 5591 10 9 5 16 15 ...

Page 53: ...6 Adjust the position of the right tractor to center the holes in the paper on the pins Then close the right tractor cover and push back the lock lever Do not stretch the paper If the paper is too loose or too tight it can cause jams NOTE You must keep the number of paper holes engaged on either pin the same If you don t the paper will skew and jam ...

Page 54: ...MAINTENANCE 54 7 Reinstall the sheet feeder ...

Page 55: ...e sheet guide on the pull up roller assembly 9 Press FF LOAD NOTE The factory default setting for the Top of Form where the printing should begin is 1 down from the top of the page To change the setting see Top of Form TOF in the previous chapter ...

Page 56: ...remove it before loading single sheets Make sure the printer is on and deselected SEL light off 1 Move the paper lever 1 to the center position marked TOP 2 Open the acoustic cover 1 and raise the sheet guide 2 to the single sheet position Pivot the wire feed guide 3 up into the sheet guide 1 1 2 3 ...

Page 57: ... does not feed in remove it Check the paper lever position Make sure the ALARM light is ON if it is flashing hold the SHIFT key and press the CHARACTER PITCH RESET key Reload the sheet of paper The factory default setting for the Top of Form where the printing should begin is 1 down from the top of the page To change the setting see Top of Form TOF in the previous chapter 1 ...

Page 58: ...o back the paper all the way out of the printer 3 Open the access cover 1 and remove the pull up roller assembly 2 Remove any torn paper 4 Lift the sheet guide 1 and reload paper Make sure you lock the tractor covers CAUTION Make sure the printer is turned OFF before you open the access cover 1 2 ...

Page 59: ...tive paper l misaligned paper l bits of paper stuck in the paper path Defective Paper Replace the defective paper with a fresh stack Misaligned Paper 1 Turn off the printer 2 Use the platen knob to back the paper all the way out of the printer 3 Tear off a couple of sheets of paper leaving a new clean square cut edge 4 Reload the paper and turn the printer back on Fragments of Paper in the Paper P...

Page 60: ...ssembly 2 Then grasp the tabs 3 on the sheet guide 4 and lift it off the printer 4 Remove any torn pieces of paper 5 Fold some continuous form paper over three times to make a page four sheets thick Then load it on the tractors and close and lock the covers CAUTION Make sure the printer is turned OFF before you open the access cover 1 2 3 4 3 ...

Page 61: ...rings out jammed pieces of paper 7 Remove the paper pieces Then use the platen knob to back the paper out 8 Load standard paper close and lock the tractor covers 9 Install the sheet guide then install the pull up roller assembly and close the access cover 10 Turn the printer on and press FF LOAD ...

Page 62: ...off the printer 2 Use the platen knob to back the paper out 3 Open the access cover 1 and remove the pull up roller assembly 2 4 Remove any torn pieces from around the carriage 5 Reinstall the pull up roller assembly and close the access cover 1 2 ...

Page 63: ...ck the paper out of the printer 3 Open the access cover 1 and remove the pull up roller assembly 2 4 Use a clean dry cloth to dust around the carriage shaft and platen Remove any loose bits of paper CAUTION Never use strong solvents or strong detergents on the cabinet they could damage the housing CAUTION Make sure the printer is turned off before you open the access cover 1 2 ...

Page 64: ...MAINTENANCE 64 5 Reinstall the pull up roller assembly and close the access cover ...

Page 65: ... paper properly installed l Is the ribbon properly installed l Is an Oki ribbon being used l Is the printhead gap correctly set l Are the correct printer drivers being used for the printer Problem My word processor files do not print the way I have the menu and front panel set Solution Remember l Settings in your software application can override settings in your printer driver NOTE Settings in yo...

Page 66: ...blem enter the Menu Mode go to the Parallel Interface group and change the setting for I Prime to Invalid For more information on changing menu settings see Changing the Menu Settings in chapter 3 Problem Nothing happens when I turn ON the printer Solution Check the power cord connection to the outlet and to the printer If you are using a power strip make sure it is turned ON and that the fuse has...

Page 67: ...you entered them correctly Problem Ink smears on the paper when I print narrow columns Solution This may be caused by excessive printhead travel from the centering position Enter the Menu and set the Centering Position to MODE 1 See Using Your Printer Menu Mode For the wide carriage printer if MODE 1 doesn t work try setting the Centering Position to MODE 2 Problem I ve installed a new ribbon and ...

Page 68: ...er Pitch 10 light is flashing Solution This indicates that the paper lever is set at the wrong position for the paper you are trying to use Move it to the proper setting Problem The ALARM light is ON and the Character Pitch 15 light is flashing Solution This indicates a paper jam Press the SEL key and correct the paper jam situation See Clearing Paper Jams in chapter 3 Problem The printer needs pa...

Page 69: ...r than on the separator Problem The Print Quality and Character Pitch keys on the front panel don t work Solution The Operator Panel Function in the printer menu can be used to disable these buttons Limited Function If the printer is part of a customized system or if it is used by a number of people the system manager may have used this option to make sure the printer is always set properly Check ...

Page 70: ...nsult the dealer where you purchased your printer l Locate an Authorised Oki Reseller by visiting your local Oki web site Links to all countries are provided on http www okieurope com Item Part number ML5590 Part number ML5591 Ribbon Cartridge 1 01126301 01126301 Platen Knob 2 2PP4025 2871P021 2PP4025 2871P021 Power Cord 3 Euro UK YS4011 1272P001 YS4011 1273P001 Printhead 4 42124201 42124201 Acces...

Page 71: ...ber ML5591 Pull Tractor Top Mount 1 09002365 09002369 Push Tractor Bottom Mount 2 09002366 09002370 Roll Paper Stand 3 09002332 N A Cut Sheet Feeder 4 Single Bin Dual Bin 09000691 09000692 09000695 09000696 Serial Interface RS232C 5 09002351 09002351 1 2 3 4 5 ...

Page 72: ... CR 13 Character Pitch Select 10 cpi Select 12 cpi Select 15 cpi Begin 10 cpi DC2 ESC ESC G ESC SI or SI 18 27 58 27 103 27 15 OR 15 Cancel Condensed Print DC2 18 Character Style Normal Outline Shadow Outline with Shadow ESC q 0 ESC q 1 ESC q 2 ESC q 3 27 113 48 27 113 49 27 113 50 27 113 51 Delete DEL 127 Double Height ON Double Height OFF ESC w 1 or ESC US 0 ESC w 0 or ESC US 1 27 119 49 or 27 3...

Page 73: ...SC n ESC 3 n ESC A n ESC 2 ESC 0 27 43 or 27 91 n 27 51 27 65 27 50 n 27 48 Paper Out Sensor OFF Paper Out Sensor ON ESC 8 ESC 9 27 56 27 57 Print Quality Font select LQ Utility Roman LQ only Swiss LQ only Courier LQ only Prestige LQ only Orator LQ only ESC x 1 ESC x 0 ESC k 0 ESC k 1 ESC k 2 ESC k 3 ESC k 7 27 120 49 27 120 48 27 107 48 27 107 49 27 107 50 27 107 51 27 107 55 Print Speed Half spe...

Page 74: ...7 83 48 27 84 Underline Printing ON Underline Printing OFF ESC 1 ESC 0 27 45 49 27 45 48 Uni directional Print ON OFF One line only ESC U 1 ESC U 0 ESC 27 85 49 27 85 48 27 60 Upper Range Control Codes Permit Printing Cancel Printing ESC 6 ESC 7 27 54 27 55 Vertical Tab Execute VT 11 Epson Command ASCII Decimal ...

Page 75: ... ESC W 0 SO 27 87 49 27 87 48 14 Emphasised Printing ON Emphasised Printing OFF ESC E ESC F 27 69 27 70 Enhanced Printing ON Enhanced Printing OFF ESC G ESC H 27 71 27 72 Form Feed FF 12 Form Length n inches n 1 to 255 n lines n 1 to 255 ESC C NUL n ESC C n 27 67 0 n 27 67 n Horizontal Tab Execute HT 9 IBM Character Set Select Set I SET II ESC 7 ESC 6 27 55 27 54 Print one Character from IBM Set I...

Page 76: ... k 1 ESC k 2 ESC k 3 ESC k 7 27 107 48 27 107 49 27 107 50 27 115 51 27 115 55 Print Suppress Mode ON ML 5590 Print Suppress Mode ON ML 5591 Print Suppress Mode OFF ESC Q ESC Q DC1 27 81 36 27 81 35 17 Proportional Spacing ON Proportional Spacing OFF ESC P 1 ESC P 0 27 80 49 27 80 48 Skip Over Perforation ON n 1 to 255 Skip Over Perforation OFF ESC N n ESC O 27 78 n 27 79 Software I Prime ESC NUL ...

Page 77: ...Mean Time Between Failures MTBF Mean Time to Repair MTTR 4 million characters on average 10 cpi utility 200 million characters average in 10 cpi utility mode at 25 duty and 35 page density 20 000 hours at 25 duty cycle and 35 page density 15 minutes Emulations co resident Epson LQ IBM Proprinter X24e XL24e IBM X24e AGM XL24e AGM Print Speed High Speed Draft HSD Utility Letter Quality LQ Pitch Spee...

Page 78: ... tractor 0 014 0 36 mm max 0 017 0 44 mm max Resident Typefaces LQ Courier LQ Letter Gothic LQ Prestige LQ Orator LQ Roman LQ Swiss LQ Swiss Bold Utility Gothic HSD Gothic 10 12 cpi Normal Superscript Subscript Proportional Normal Superscript Subscript 8 point Normal Scalable 11 to 64 point 10 12 cpi Normal Proportional Normal 10 12 cpi Normal Proportional Normal 10 12 cpi Normal Proportional Norm...

Page 79: ... to 90 g m2 ML5590 7 2 to 8 5 183 to 216 mm ML5591 7 2 to 14 3 183 to 363 2 mm Rear Bottom 12 to 24 lb US Bond 45 to 90 g m2 ML5590 3 to 10 76 2 to 254 mm ML5591 3 to 16 76 2 to 406 4 mm Rear Bottom 9 to 11 lb ML5590 3 to 10 76 2 to 254 mm ML5591 3 to 16 76 2 to 406 4 mm Rear Bottom 10 to 12 lb paper 9 lb carbon ML5590 3 to 10 76 2 to 254 mm ML5591 3 to 16 76 2 to 406 4 mm Bottom only Not applicab...

Page 80: ... C 20 to 80 RH 5 to 95 RH Electrical Requirements 230 ac 15 14 50 or 60 Hz 2 58W typical 10W idle Physical Specifications ML5590 Size WxDxH Weight ML5591 Size WxDxH Weight 17 1 x 16 1 x 6 434 x 409 x 153 mm 16 7 lbs 7 6 kg 23 1 x 16 1 x 6 588 x 409 x 153 mm 21 1 lbs 9 6 kg Height dimensions do not include the acoustic cover Item Specification ...

Page 81: ...laten knob and the various paper feed paths l Make sure a suitable grounded power outlet is available nearby UNPACKING l If any items are missing contact your dealer immediately l Keep your packing materials and carton in case you ever need to ship or transport the printer l Interface cable and paper are sold separately 1 Printer 2 Ribbon Cartridge 3 Power Cord 1 2 3 ...

Page 82: ...king tape then grasp the tabs 1 at either end of the access cover and pivot it towards the front of the printer as far as it will go 2 Remove the printhead shipping restraint 3 Remove the shipping restraint from the pull up roller assembly 1 1 1 ...

Page 83: ... 1 to lift and remove the sheet guide then remove the shipping restraint 5 Reinstall the sheet guide insert the clips on either side of the separator into the notches marked with a triangle then press down to secure the separator in place 1 1 ...

Page 84: ...bon ink may cause permanent stains l Ribbon ink on skin or clothing can usually be removed with soap and water Make sure the printer is turned OFF 1 Open the access cover and center the printhead 1 CAUTION Make sure you have the correct replacement ribbon for your printer The wrong ribbon will not print when installed in your printer WARNING The printhead may be HOT ...

Page 85: ...bon cartridge and install it on the printhead 3 Turn the take up knob 1 in the direction of the moulded arrow to take up any ribbon slack 4 Close the access cover and turn the printer ON CAUTION Do not remove the ribbon shield 1 from the ribbon 1 1 ...

Page 86: ...SETTING UP YOUR PRINTER 86 POWER CONNECTION Make sure both the printer and the computer are OFF 1 Plug the power cord into the back of the printer then into a grounded outlet 2 Turn on the printer ...

Page 87: ...uter are both turned OFF 1 Attach a suitable bi directional cable to the parallel connector on the back of the printer Then attach and secure the cable to your computer 2 Turn the printer and computer back ON USB SPECIFICATION 1 1 COMPLIANT l Requires a USB 1 1 cable maximum length 19 7 ft 5 m not supplied l Printer has a USB series B receptacle Make sure the printer and computer are both turned O...

Page 88: ...printer Then attach the cable to your computer 4 Turn the computer and printer back on LOADING PAPER For instructions on loading paper see Loading Paper in the chapter on Maintenance TESTING THE PRINTER l Font Sample Test l Rolling ASCII Test l Hexadecimal Dump Mode ...

Page 89: ...ure paper is loaded 1 Turn the printer OFF 2 Press and hold the LF key while turning the printer back ON The printer will print a page of font samples and the test ends CAUTION Wide carriage Model ML5591 If you are using 8 5 inch paper to run the tests make sure the paper width selection in the printer menu is set to 8 5 inches Otherwise printing on the platen may damage the printer See the chapte...

Page 90: ...rn the printer OFF 2 Press and hold the QUIET TOF key while turning the printer back ON If the printer comes on without starting the Rolling ASCII test print you did not hold the QUIET TOF key long enough The printer prints the rolling ASCII text continuously 3 Press SEL to end the test CAUTION Wide carriage Model ML5591 If you are using 8 5 inch paper to run the tests make sure the paper width se...

Page 91: ...of BASIC code LPRINT CHR 27 0 CHR 30 THIS IS AN EXAMPLE OF A HEXADECIMAL DUMP would print like this To engage the Hexadecimal Dump Mode Make sure paper is loaded 1 Turn the printer OFF 2 Hold the SEL and FF LOAD keys for several seconds while turning on the printer To exit the Hexadecimal Dump Mode 1 Press the SEL key or Turn the printer off then on again NOTE In the ASCII format all non printable...

Page 92: ...Computer Connections 87 E Electrical Requirements 80 Emulations 27 Mode 38 Envelopes 79 Environmental Requirements 80 F Font Sample Test 89 Fonts Embedded Printer Commands 67 Resident 78 Selecting 40 Forms Tear Off 38 Top of Form 19 Wait Time 42 G Graphics Printing 33 38 GROUP Menu Mode 29 H Height Double Height Printing 42 Hexadecimal Dump Mode 91 Humidity 80 I IBM Character Set 37 Initialization...

Page 93: ...ut 68 Override 33 40 Parallel LPT IEEE 1284 87 Parallel Interface 34 I PRIME Signal 65 Perforation skip over 32 42 Pitch character 40 Postnet 78 Power Connection 86 Print Method 77 Print Mode 40 Print Registration 33 40 Print Size 78 Print Speed 6 77 Print Suppress 33 41 Printhead 77 Proportional Spacing 41 R Rear Feed Form Tear Off 32 33 Line Spacing 32 Skip Over Perforation 32 Receive Buffer Siz...

Page 94: ...Form 35 Forms Tear Off 7 19 Paper Shield 7 14 Typefaces Selecting 40 U Uni directional printing graphics 33 Unpacking 81 USB Specification 1 1 Compliant 87 Utility Front Panel Light 78 Print Speeds 6 W Wait Time 33 42 Width Character 40 Double width printing 42 Page Bottom Feed 32 Rear Feed 32 Top Feed 33 Paper Setting in the Printer Menu 33 39 ...

Page 95: ... 108 8551 Japan Tel 81 3 5445 6158 Fax 81 3 5445 6189 http www okidata co jp Oki Data Singapore Pte Ltd 78 Shenton Way 09 01 Singapore 079120 Tel 65 221 3722 Fax 65 421 1688 http www okidata com sg Oki Systems Thailand Ltd 956 Udomvidhya Building 6th Floor Rama IV Rd Bangkok 10500 Thailand Tel 662 636 2535 Fax 662 636 2536 http www okisysthai com Oki Hong Kong Limited Suite 1909 Tower3 China Hong ...

Page 96: ...Central House Balfour Road Hounslow TW3 1HY United Kingdom tel 44 0 20 8219 2190 Fax 44 0 20 8219 2199 ML5590 91 07044301 Iss 02 ...

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