Oki MB491Plus User Manual Download Page 43

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Maintenance

Loading Paper

Rear Feed

Note: If you have any paper in the paper path, remove it

before installing rear feed paper.

Lock Lever

Upper Tractor Cover

Pins

Loading Rear Feed Paper from the

Back

of the Printer

Note: These instructions assume you have ready access to the

back of the printer. If you do not, skip down to “Loading
Rear Feed Paper from the Front of the Printer.”

1 Make sure the paper lever is forward (position marked

“REAR”).

2 Open the access cover (1).

Summary of Contents for MB491Plus

Page 1: ...User s Guide 59348401 ...

Page 2: ... it Mention of software products manufactured by other companies does not necessarily constitute endorsement by Oki Data Copyright 2003 2007 by Oki Data All rights reserved Written and produced by the Oki Data Training and Publications Department Web Site http www okiprintigsolutions com Trademark Information OKI and MICROLINE are registered trademarks of Oki Electric Industry Company Ltd Epson is...

Page 3: ...tches the rating listed on the back of the printer If you aren t sure check with your dealer or with your local power company Your printer has a grounded 3 prong plug as a safety feature It will only fit into a grounded outlet If you can not plug it in chances are that you have an older non grounded outlet Contact an electrician to have it replaced with a grounded outlet Do not use an adapter to d...

Page 4: ...ides of the printer You could get a shock or cause a fire Aside from the routine maintenance described in this document don t try to service the printer yourself Opening the cover may expose you to shocks or other hazards Don t make any adjustments other than those outlined in the document You might cause damage requiring extensive repair work If anything happens that indicates that your printer i...

Page 5: ... Tear Off 12 Determining if Forms Tear Off is Off or On 13 Setting Top of Form TOF Forms Tear Off OFF Default Setting 14 Setting Top of Form TOF Forms Tear Off Set to ON 15 Temporarily Changing the Top of Form Position 16 Resetting Top of Form to the Factory Default 16 Forms Tear Off Feature 17 Potential Problems with Software Packages 17 Changing the Forms Tear Off Setting 18 Manual Forms Tear Of...

Page 6: ... Chapter 6 Troubleshooting 59 General Information 59 Problems Solutions 60 Appendix A Parts Accessories 65 Purchasing Parts Accessories 65 Replacement Parts 66 Accessories 67 Appendix B Printer Control Codes 68 Epson LQ Commands 68 IBM Proprinter X24e XL24e and IBM X24e AGM XL24e AGM Commands 72 Appendix C Specifications 75 Appendix D Installation 81 Location 81 Unpack 81 Install the Ribbon Cartri...

Page 7: ...com Printer Features Super reliable durable operation 20 000 hours Mean Time Between Failures MTBF at 25 duty cycle and 35 page density Advanced paper handling with built in rear push tractor and zero tear forms capability Blazing print speeds in characters per second depending on characters per inch selected High Speed Draft Mode 420 cps 10 cpi Utility Mode 269 to 472 cps Letter Quality Mode 105 ...

Page 8: ...per Park in Chapter 3 Using Your Printer Saving Money Forms Tear Off The Forms 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 re...

Page 9: ...g the Platen Knob Important 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 misaligns Controlling Access to the Printer You can control access to the printer by changing the setting for the Operator Panel Function in the Menu from Full Operation the factory default to Limited Operation When Limited Operation is selected ...

Page 10: ...rward Chapter 3 Using Your Printer Parts Identification Rear Feed Continuous Forms Note The serial number of your printer is on a label on the back beside S N Sheet Guide Paper Lever On Off Switch Platen Knob Control Panel Acoustic Cover Access Cover ...

Page 11: ...11 Parts Identification Top Feed Single Sheets Paper Guides Sheet Guide Paper Lever On Off Switch Platen Knob Control Panel Acoustic Cover open Note For single sheet printing the paper lever must be in the middle position ...

Page 12: ... is adjustable in increments of 1 180 of an inch The amount of adjustment is limited to avoid paper jams The first line prints at the red line of the plastic paper shield 1 on the printhead Top of Form TOF and Forms Tear Off 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 Fo...

Page 13: ...T 2 then press SEL 1 to enter 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 2 Press TEAR 3 If the paper moves up Forms Tear off is off If the pape...

Page 14: ...SEL light goes out 2 Press and hold SHIFT 2 then Note When you begin pressing the Micro Feed key the printhead will move to the right Press LF Micro Feed Down 3 to set the TOF higher the paper moves down Press FF LOAD Micro Feed Up 4 to set the TOF lower the paper moves up 3 When you have the TOF set where you want it press and hold SHIFT 2 then press QUIET TOF 7 to engage the new setting The prin...

Page 15: ...it briefly until the paper moves up to the tear position then press and hold TEAR 5 The paper moves to the current TOF 5 Keep holding TEAR then press and hold SHIFT 2 and release TEAR 6 Continue to hold SHIFT then Note When you begin pressing the Micro Feed key the printhead will move to the right Press LF Micro Feed Down 3 to set the TOF higher the paper moves down Press FF LOAD Micro Feed Up 4 t...

Page 16: ... To move the Top of Form position lower for one page only 1 Press SEL to deselect the printer 2 Press LF to lower the position of the Top of Form Resetting Top of Form to the Factory Default The factory default setting for the Top of Form where the printing should begin is 1 down from the top of the page To reset the Top of Form to the factory default 1 Remove paper from the paper path 2 Turn the ...

Page 17: ...Off automatically moves the paper to align the perforation with the tear bar located under the access cover after the time interval which you selected through the menu Paper remains in the tear off position until the printer receives more data Then the paper moves back down for printing Notes The status of the Forms Tear Off menu setting affects how you set the Top of Form see Top of Form TOF and ...

Page 18: ...he 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 rear feed continuous forms loaded on the built in tractor or bottom feed continuous forms loaded on the optional push tractor up to the tear off position manually by pressing TEAR 5 Paper Park Importa...

Page 19: ...d 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 4 Move the paper lever 1 to the middle position marked TOP 5 Adjust the paper guides 1 for the size paper you are using then place a sheet of paper in the sheet guide ...

Page 20: ...AD to remove the single sheet paper 2 Lower the sheet guide into the continuous forms position 3 Swing the wire feed guide over onto the pull up roller 4 Move the paper lever to the appropriate position Rear feed Bottom feed 5 If necessary load continuous form paper 6 Press FF LOAD ...

Page 21: ...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 Printhead Gap The printhead gap is the distance between the printhead and the platen CAUTION Make sure the printer is turned off before you open the access cover ...

Page 22: ...mally overridden by software commands Press PRINT QUALITY 1 to select LQ Letter Quality LQ light on Highest quality slowest speed Choice of 7 typefaces Utility UTILITY light on Medium quality medium speed Gothic typeface only HSD High Speed Draft LQ and UTILITY lights both on Lowest quality highest speed Gothic typeface only ...

Page 23: ...y software commands To select the typeface you wish to use press PRINT QUALITY 1 until the appropriate front panel lights are on Typeface 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 PRESTIGE and ORATOR Swiss Bold LQ COURIER and PRESTIGE ...

Page 24: ...xed width for each character of from 10 to 20 characters per inch CPI The higher cpi settings are often used for spreadsheets In LQ mode you can select proportional PROP which 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 Set the character pitch by pressing CHARACTER PITCH RESET 1...

Page 25: ...he printer to the factory defaults For information on resetting the printer to the factory defaults see Resetting the Menu to the Factory Defaults later in this chapter Emulations Epson LQ factory setting IBM Proprinter IBM AGM Changing Emulations 1 Make sure paper is loaded 2 Press and hold SHIFT 2 then press SEL 1 3 Press LF 3 The following line prints Printer Control Emulation Mode EPSON LQ 4 P...

Page 26: ...opy of all the Menu settings With the SHIFT key prints the current settings for the Group selected MENU Light Glows when the printer is in the Menu Mode Note Please print the current Menu Mode settings before you reset or change them This is the only way to have a record of the settings In Menu Mode you use the front panel keys to change the defaults for the printer parameters The changes you make...

Page 27: ...the printer off 2 Press SEL LF while turning the printer on Printing the Menu Settings Printing the Current Menu Settings 1 Make sure paper is loaded in the printer 2 Press and hold SHIFT then press SEL to enter the Menu Mode 3 Press PRINT PARK key Printing All Menu Settings To print out a listing of the settings for all menu items regardless of the emulation selected or the accessories installed ...

Page 28: ...the GROUP ITEM and SET keys to make your changes a Press GROUP until the Group you wish to change appears in the first column b Press ITEM until the Item you wish to change appears in the second column c Press SET until the setting you want appears in the third column 3 Press and hold SHIFT then press SEL to exit the Menu Mode and save your settings Important If you turn off the printer without fi...

Page 29: ...inter Control Emulation Mode EPSON LQ IBM PPR IBM AGM Font Print Mode LQ Courier LQ Roman LQ Swiss LQ Swiss Bold LQ Orator LQ Gothic LQ Prestige Utility HSD Pitch 10 cpi 12 cpi 15 cpi 17 1 cpi 20 cpi Proportional Spacing No Yes Style Normal Italics Size Single Double Symbol Sets Character Set Set I Set II Language Set American French German British Danish I Swedish Italian Spanish I Japanese Norwe...

Page 30: ...PI Form Tear Off Off 500 ms 1 sec 2 sec Skip Over Perforation No Yes Page Width wide model 13 6 8 Page Length 11 11 2 3 12 14 17 5 3 3 25 3 5 4 5 5 6 7 8 8 5 Bottom Feed Line Spacing 6 LPI 8 LPI Form Tear Off Off 500 ms 1 sec 2 sec Skip Over Perforation No Yes Page Width wide model 13 6 8 Page Length 11 11 2 3 12 14 17 5 3 3 25 3 5 4 5 5 6 7 8 8 5 ...

Page 31: ...ual Page Length Set Up Graphics Bi directional Uni directional Receive Buffer Size 1 Line 32K 64K 128K Paper Out Override No Yes Print Registration 1 0 range to 0 25 mmm 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 Print Registration 2 0 range to 0 25 mmm to the right or left set in 0 05 mm increments ...

Page 32: ...LF No Yes Auto CR No Yes CSF Bin Select Bin 1 Bin 2 SI Select Pitch 10 cpi 15 cpi 17 1 cpi SI Select Pitch 12 cpi 12 cpi 20 cpi Time Out Print Valid Invalid Auto Select No Yes Graphics Speed Low High Centering Position DEFAULT MODE 1 MODE 2 CSF Type Wide Narrow Power Saving Enable Disable Power Save Time 5 min 10 min 15 min 30 min 60 min Appears only when the IBM emulation is selected Appears only...

Page 33: ...erial IF Parity None Odd Even Serial Data 7 8 Bits 8 Bits 7 Bits Protocol Ready Busy X On X Off Diagnostic Test No Yes Busy Line SSD SSD DTR RTS Baud Rate 19200 bps 9600 bps 4800 bps 2400 bps 1200 bps 600 bps 300 bps DSR Signal Valid Invalid DTR Signal Ready on Power Up Ready on Select Busy Time 200 ms 1 sec Appears only when the Epson LQ emulation is selected Appears only when the optional Serial...

Page 34: ...F Bin 1 Line Spacing 6 LPI 8 LPI Bottom Margin Valid Invalid Page Width Wide model 8 13 6 Page Length 11 11 2 3 12 14 17 5 3 5 4 5 5 6 7 8 8 5 CSF Bin 2 Line Spacing 6 LPI 8 LPI Bottom Margin Valid Invalid Page Length 11 11 2 3 12 14 17 5 3 5 4 5 5 6 7 8 8 5 Appears only when the optional Cut Sheet Feeder is installed ...

Page 35: ... 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 paper With the factory default engaged the printer will be dese...

Page 36: ...haracter Set Default IBM Set I Use this to switch character sets to IBM Set II Code Page Default USA Choose the Code Page character set you wish to use USA Canada French Multilingual Portugal Norway BRASCII Abicomp Multilingual 858 or ISO 8859 15 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 De...

Page 37: ...bi directional you can optimize the registration using the Print Registration setting in the Menu Graphics Speed Default Low Change to High for faster printing when optimum print quality is not an issue I Prime Default Buffer Print Determines what the printer will do when it receives the I Prime signal from the software Buffer Print prints out the buffer contents before resetting Buffer Clear dump...

Page 38: ... Control Default by Menu Setting Change the setting to by Actual Page Length if you wish to print on single sheets longer than 17 inches When by Actual Page Length is selected the menu setting for Top Feed Page Length is ignored Page Width Default 8 Wide carriage model only Change to 13 6 to print on wide paper Paper Out Override Default No Senses when less than 1 25 mm of paper remains and stops ...

Page 39: ... mode change the setting to No Proportional Spacing Default No Change the setting to Yes to engage proportional spacing of characters Protocol Default Ready Busy Appears only if the optional Serial Interface is installed Change to X ON X Off if that is the type of protocol your system uses Receive Buffer Size Default 64K Selects the amount of memory devoted to holding received data Choosing 1 Line...

Page 40: ... Default No Change to Yes if you want the printer to go to the next page when it comes within 1 25 mm of the bottom of the page Keep it set to No if your software has 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...

Page 41: ...tant Make sure you have the correct replacement ribbon for the your printer The wrong ribbon will not print when installed in your printer Ribbon Cartridge Handling Leave unused ribbon cartridges in their packages until needed Careful the ribbon ink may cause permanent stains Ribbon ink on skin or clothing can usually be removed with soap and water ...

Page 42: ...he take up knob in the direction of the arrow to take up any ribbon slack 6 Close the access cover and turn the printer back on CAUTION 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 For more information See the Material Safety D...

Page 43: ...k Lever Upper Tractor Cover Pins Loading Rear Feed Paper from the Back of the Printer Note These instructions assume you have ready access to the back of the printer If you do not skip down to Loading Rear Feed Paper from the Front of the Printer 1 Make sure the paper lever is forward position marked REAR 2 Open the access cover 1 ...

Page 44: ... slightly then slide it back 4 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 ...

Page 45: ...to the reference mark 2 matching the width of the paper you are loading Then close the lock lever on the right tractor Note The movement of the right tractor is limited to ensure that the paper covers the paper sensor 7 Open the tractor covers 5 From the back of the printer locate the tractors 1 ML490 ML491 ...

Page 46: ...ep the number of paper holes engaged on either pin the same If you don t the paper will skew and jam 9 Close the right tractor cover 10 Adjust the left tractor until the holes in the paper are centered on the pins then lock the lever and close the left tractor cover Note If the paper is too loose or too tight it can cause jams ...

Page 47: ... 12 Place the wire guide 1 in the illustration for the step above in the sheet guide on the pull up roller assembly 13 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 Chapter 3 ...

Page 48: ...ccess 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 Lock Lever Upper Tractor Cover Pins 1 Make sure the paper lever is forward position marked REAR 2 Open the access cover 1 3 Grasp the tabs and lift off the sheet guide 4 Pull up on the lock levers to release them ...

Page 49: ...t common paper sizes ML490 ML491 6 Move the left tractor to the position to match your paper size and push back on the lever to lock it in place then move the right tractor to fit the width of the paper 7 Open the tractor covers and place continuous forms paper on the first two pins of either tractor then close the left tractor cover Important You must keep the number of paper holes engaged on eit...

Page 50: ... position of the right tractor to center the holes in the paper on the pins Then close its tractor cover and push back the lock lever Do not stretch the paper Note If the paper is too loose or too tight it can cause jams 9 Reinstall the sheet guide ...

Page 51: ...in the sheet guide on the pull up roller assembly 11 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 Chapter 3 ...

Page 52: ...et position Pivot the wire feed guide 2 up into the sheet guide Top Feed Single Sheets Note If you have continuous form paper in the path press PARK to remove it before loading single sheets 1 Make sure the printer is on and deselected SEL light off 2 Place the paper lever in the center position marked TOP ...

Page 53: ... paper 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 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 Chapter 3 ...

Page 54: ...Make sure the printer is turned off before you open the access cover 3 Open the access cover 1 and remove the pull up roller assembly 2 Remove any torn pieces of paper 4 Lift the sheet guide 1 and reload paper Make sure you lock the tractor covers 5 Lower the sheet guide then install the pull up roller assembly and close the access cover 6 Turn on the printer and press FF LOAD ...

Page 55: ...n grasp the tabs 3 on the sheet guide 4 and lift it off the printer Rear Feed Repeating Paper Jams If the paper keeps jamming you may have defective paper misaligned paper bits of paper stuck in the paper path Defective Paper Replace the 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 she...

Page 56: ...nd lock the covers 6 Use the platen knob to draw the quadruple thick page around the platen This brings out jammed pieces of paper 7 Remove the paper pieces Then use the platen knob to back the paper out 8 Load regular 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 57: ...n 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 ...

Page 58: ...ey could damage the housing 1 Turn off the printer 2 Use the platen knob to back the paper out of the printer CAUTION Make sure the printer is turned off before you open the access cover 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 5 Reinstall the pull up roller assembly and cl...

Page 59: ...ambient conditions Does the paper being used meet the specifications for this product Is the paper properly installed Is the ribbon properly installed Is an Oki ribbon being used Is the printhead gap correctly set Are the correct printer drivers being used for the printer Note Settings in your software application will normally override any settings in your printer driver Printer driver settings n...

Page 60: ...e the panel and menu settings To change your printer to ignore the reset code enter the Menu Mode go to the Set Up group and change the setting for Reset Inhibit to Yes The I Prime signal will automatically override any front panel settings you have made To eliminate this problem enter the Menu Mode go to the Parallel Interface group and change the setting for I Prime to Invalid For more informati...

Page 61: ...talled check to be sure that it is firmly seated in the printer Problem I m getting strange symbols incorrect fonts etc when I try to print a document Solutions 1 Check to be sure that the printer driver you have selected in your software matches the printer emulation Press SHIFT and SEL keys then press GROUP key This will print a line showing the emulation you have selected 2 If you have embedded...

Page 62: ...ntering 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 the printing is smeared and streaked Solution The ribbon shield 1 is either loose or missing Remove the ribbon cartridge and check the ribbon shield If it is loose secure it If it is missing find it and...

Page 63: ...inter 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 ja...

Page 64: ...p and make the paper cling to the sheet guide Try moving the paper guides together so that the paper rests on the guides rather 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 ...

Page 65: ...e your purchased your printer Locate an Authorized Oki Data Reseller by visiting one of our web sites http my okidata com allows you to register your product and personalize your own support needs http www okidata com provides general information In the United States purchase directly from Oki Data Via the Internet http my okidata com http www okidata com Via telephone Order toll free by phone at ...

Page 66: ... Ribbon Cartridge 42377801 Platen Knob 51902220 Power Cord 56631801 Model ML490 Printhead 42124201 Access Cover 42115401 Sheet Guide 51009509 Pull Up Roller Assembly 42044701 Model ML491 Printhead 42124201 Access Cover 42115301 Sheet Guide 51009410 Pull Up Roller Assembly 42045701 ...

Page 67: ...491 Pull Tractor Top Mount 70030601 Push Tractor Bottom Mount 70030801 Both Models Cut Sheet Feeder 70030101 Serial Interface 70012801 OkiLAN 6120i 10 100 Base T Ethernet Internal Print Server not shown 70046501 OkiLAN 6020e 10 100 Base T Ethernet External Print Server not shown 70036001 OkiLAN 6010 10 Base T Ethernet External Print Server not shown 70034401 ...

Page 68: ...CD ROM drive and wait for it to AutoPlay 2 Select your printer model then click Continue 3 Click Documentation and follow the on screen prompts to view the file Epson LQ Commands Epson Command ASCII Decimal Backspace BS 8 Cancel CAN 24 Carriage Return Execute CR 13 Character Pitch Select 10 cpi ESC P 27 80 Select 12 cpi ESC M 27 77 Select 15 cpi ESC g 27 103 Begin 10 cpi ESC SI or SI 27 15 or 15 C...

Page 69: ...87 49 Double Width Off ESC W 0 27 87 48 Double Width for One Line SO 14 or ESC SO or 27 14 Emphasized Print On ESC E 27 69 Emphasized Print Off ESC F 27 70 Epson Command ASCII Decimal Enhanced Print On ESC G 27 71 Enhanced Print Off ESC H 27 72 Italic Printing On ESC 4 27 52 Italic Printing Off ESC 5 27 53 Form Feed FF 12 Form Length n Inches n 1 to 22 ESC C NUL n 27 67 0 n n Lines n 1 to 127 ESC ...

Page 70: ...1 n n 60 n 0 to 127 ESC A n 27 65 n 1 6 ESC 2 27 50 1 8 ESC 0 27 48 Epson Command ASCII Decimal Margins Set Left Margin n 0 to 255 ESC 1 n 27 108 n Set Right Margin n 0 to 255 ESC Q n 27 81 n Paper Out Sensor Disabled Off ESC 8 27 56 Enabled On ESC 9 27 57 Print Quality Font Select LQ ESC x 1 27 120 49 Select Utility ESC x 0 27 120 48 Select Roman LQ only ESC k 0 27 107 48 Select Swiss LQ only ESC...

Page 71: ...Over Perforation ON ESC N n 27 78 n n 1 to 127 Skip Over Perforation OFF ESC O 27 79 Software I Prime ESC NUL 27 125 0 Subscript On ESC S 1 27 83 49 Superscript On ESC S 0 27 83 48 Subscript Superscript Off ESC T 27 84 Epson Command ASCII Decimal Underline On ESC 1 27 45 49 Underline Off ESC 0 27 45 48 Uni Directional Printing One Line Only ESC 27 60 On ESC U 1 27 85 49 Off ESC U 0 27 85 48 Upper ...

Page 72: ...8 Outline ESC q 1 27 113 49 Shadow ESC q 2 27 113 50 Outline with Shadow ESC q 3 27 113 51 IBM Command ASCII Decimal Double Width On ESC W 1 27 87 49 Off ESC W 0 27 87 48 for One Line SO 14 Emphasized Printing On ESC E 27 69 Emphasized Printing Off ESC F 27 70 Enhanced Printing On ESC G 27 71 Enhanced Printing Off ESC H 27 72 Form Feed FF 12 Form Length n inches n 1 to 255 ESC C NUL n 27 67 0 n n ...

Page 73: ... n 27 37 52 n Reverse ESC 27 93 Auto Line Feed On ESC 5 1 27 53 49 Auto Line Feed Off ESC 5 0 27 53 48 IBM Command ASCII Decimal Line Spacing Set Spacing to 1 8 ESC 0 27 48 Set Spacing to 7 72 ESC 1 27 49 Set to n 60 AGM only n 1 to 255 ESC A n 27 65 n Set to n 72 PPR only n 1 to 255 ESC A n 27 65 n Activate Spacing Set by ESC A n ESC 2 27 50 Set to n 180 AGM only n 1 to 255 ESC 3 n 27 51 n Set to...

Page 74: ...ppress Mode Off DC1 17 Proportional Spacing On ESC P 1 27 80 49 Proportional Spacing Off ESC P 0 27 80 48 IBM Command ASCII Decimal Skip Over Perforation On n 1 to 255 ESC N n 27 78 n Skip Over Perforation Off ESC 0 27 79 Software I Prime ESC NUL 27 125 0 Stop Printing ESC j 27 106 Subscript On ESC S 1 27 83 49 Superscript On ESC S 0 27 83 48 Subscript Superscript Off ESC T 27 84 Top of Form Set a...

Page 75: ... Optional RS 232C Serial Ethernet Print Servers 6120i 10 100 Base TX Internal 6020e 10 100 Base T External 6010e 10 Base T External Receive Buffer Size Maximum 128K Reliability Ribbon Life 4 million characters on average 10 cpi utility Printhead Life 400 million characters average in 10 cpi draft mode at 25 duty and 35 page density Mean Time Between Failures MTBF 20 000 hours at 25 duty cycle and ...

Page 76: ...lity LQ 10 cpi 105 cps 12 cpi 126 cps 15 cpi 157 cps 17 1 cpi 180 cps 20 cpi 210 cps Characters per inch Characters per second Characters per Line cpl Setting ML490 ML491 10 cpi 80 cpl 136 cpl 12 cpi 96 cpl 163 cpl 15 cpi 120 cpl 204 cpl 17 1 cpi 137 cpl 233 cpl 20 cpi 160 cpl 272 cpl Graphics Resolution 360 x 360 dpi maximum 24 dot hex density Paper Thickness Tractor Feed Rear Feed 0 014 0 36 mm ...

Page 77: ...al Superscript Subscript 8 point Normal Scalable 11 to 64 points LQ Letter 10 cpi 12 cpi Proportional Normal Gothic LQ Prestige 10 cpi 12 cpi Proportional Normal LQ Orator 10 cpi 12 cpi Proportional Normal LQ Roman 10 12 cpi Normal Superscript Subscript Proportional 8 point Normal Scalable 11 to 64 points LQ Swiss 10 12 cpi Normal Superscript Subscript Proportional 8 point Normal Scalable 11 to 64...

Page 78: ...Width Range 3 to 10 76 to 254 mm Interleaf continuous forms orig 4 copies Feed Rear Bottom Weight 10 to 12 lb paper 9 lb carbon Width Range 3 to 10 76 to 254 mm Labels Feed Bottom Only Weight Not applicable Width Range 3 to 10 76 to 254 mm Envelopes single feed Feed Top Only Weight Max 24 lb Width Range 6 5 to 9 5 165 to 241 mm Envelopes continuous feed non overlap Feed Bottom Only Weight Max 24 l...

Page 79: ...16 76 2 to 406 4 mm Interleaf continuous forms Feed Rear Bottom Weight 10 to 12 lb paper 9 lb carbon Width Range 3 to 16 76 2 to 406 4 mm Labels Feed Bottom Only Weight Not applicable Width Range 3 to 16 76 2 to 406 4 mm Envelopes single feed Feed Top Only Weight Max 24 lb Width Range 6 5 to 9 5 165 1 to 241 3 mm Envelopes continuous feed non overlap Feed Bottom Only Weight Max 24 lb Width Range 6...

Page 80: ...ge 5 to 95 RH Electrical Requirements 120 volts ac 6 15 50 or 60 Hz 2 78 W Typical 10 W idle 230 ac 15 14 50 or 60 Hz 2 78 W Typical 10 W idle Physical Specifications Note Height dimensions do not include the acoustic cover ML490 Size WxDxH 17 1 x 16 1 x 6 434 x 409 x 153 mm Weight 16 7 lbs 7 6 kg ML491 Size WxDxH 23 1 x 16 1 x 6 588 x 409 x 153 mm Weight 21 1 lbs 9 6 kg ...

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

Page 82: ...ny packing tape then grasp the tabs 1 at either end of the access cover and pivot it toward 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 ...

Page 83: ...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 ...

Page 84: ...s cover and turn the printer on Install the Ribbon Cartridge Important Make sure you have the correct replacement ribbon for the your printer The wrong ribbon will not print when installed in your printer Ribbon Cartridge Handling Leave unused ribbon cartridges in their packages until needed Careful the ribbon ink may cause permanent stains Ribbon ink on skin or clothing can usually be removed wit...

Page 85: ...printer Computer Connections Parallel LPT IEEE 1284 Requires bidirectional cable max length 6 ft 1 8 m not supplied Printer has 36 pin socket 1 Make sure the printer and computer are both turned off 2 Attach a suitable bidirectional cable to the parallel connector on the back of the printer Then attach and secure the cable to your computer 3 Turn the printer and computer back on ...

Page 86: ... ft 5 m not supplied Printer has USB B receptacle 1 Make sure the printer and computer are both turned off 2 Attach a suitable USB cable to the printer Then attach the cable to your computer 3 Turn the computer and printer back on Loading Paper For instructions on loading paper see Loading Paper in Chapter 5 ...

Page 87: ...inches Otherwise printing on the platen may damage the printer See Chapter 4 Menu Mode for more information The Font Sample Test prints a sample of the fonts standard to the printer The top of the printout shows the Printer Model Emulation Country Code Interface and Firmware Revision Level 1 Make sure paper is loaded 2 Turn off the printer 3 Press and hold the LF key while turning the printer back...

Page 88: ...tinuous printout of all 96 ASCII characters in a rolling pattern in whatever typeface is selected default LQ Courier The top of the printout shows the Printer Model Emulation Country Code and Firmware Revision Level 1 Make sure continuous forms paper is loaded 2 Turn the printer off 3 Press and hold the QUIET TOF key while turning the printer back on If the printer comes on without starting the Ro...

Page 89: ...ge the Hexadecimal Dump Mode 1 Make sure paper is loaded 2 Turn off the printer 3 Hold the SEL and FF LOAD keys for several seconds while turning on the printer To exit the Hexadecimal Dump Mode Press the SEL key or Turn the printer off then on again Emulations The factory default emulation for your printer is Epson LQ If you wish to change to one of the IBM emulations see Changing Emulations in C...

Page 90: ...k Next 3 Insert the CD into your CD ROM drive 4 Follow the on screen instructions to install the software for your printer model Using a Compatible Driver Note See your software documentation for information on how to select a printer driver The drivers below are listed by decreasing compatibility with your printer Use one as close to the top of the list as possible Epson LQ Epson LQ 870 1170 Epso...

Page 91: ...nless continuous forms 78 79 Card Stock 78 79 Centering printhead position 62 Character Pitch 38 Selecting 24 Character Set 29 36 Character Width 38 Characters Per Second CPS 7 Code Page Character Set 36 Codes Printer Control 68 Commands Epson LQ 68 71 IBM Proprinter 72 81 Control Codes 68 Cut Sheet Feeder 67 E Electrical Requirements 80 Emulations 25 29 89 Changing 25 Matching the printer driver ...

Page 92: ...r Set 36 Commands 72 81 Emulation 29 Initialization string 60 Interleaf Continuous Forms 79 Interleaf continuous forms 78 Interleaved 2 of 5 77 Italics 29 40 L Labels 78 79 Language 29 Length Page Rear Feed 30 Top Feed 31 Lights Front Panel 23 Limited Operation 9 38 64 Line Spacing 37 Bottom Feed 30 Rear Feed 30 Top Feed 31 M Margin Bottom 31 35 Mean Time Between Failures MTBF 7 75 Mean Time to Re...

Page 93: ...skip over 30 40 Pitch character 29 38 Platen knob part number 66 Postnet 77 Power rating 3 PRINT Menu Mode 26 Print Method 75 Print Mode 29 39 Print Registration 31 39 Print Server Option 67 Print Servers 67 Print Size 76 Print Speed 7 76 Print start position reset to default 16 Print Suppress 32 39 Printer Control Codes 68 Printer Drivers matching the emulation 61 Selecting 89 Printer Parameters ...

Page 94: ...acter Set 29 Static charges and paper 64 Symbol Sets 29 37 T TEAR Front Panel key 18 TEAR feature 17 Temperature Specifications 80 Tests ASCII Test 88 Font Sample Test 87 Hex Dump 89 Thickness Paper 76 Time Out 32 40 Top Feed 78 81 Bottom Margin 31 Line Spacing 31 Pull Tractor 67 Single Sheet 11 Top of Form 35 Forms Tear Off 8 12 17 Paper Shield 9 12 Reset to factory default 16 Setting 12 Standard...

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