User Guide
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... Microsoft and Windows are registered trademarks of Oki Electric Industry Company, Ltd. Oki Data also cannot guarantee that the information in this guide will not affect the applicability of Epson America, Inc. Written and produced by Oki Data. IBM is a registered trademark of the...does not necessarily constitute endorsement by Oki Data. Copyright 2002, 2007 by the Oki Data Training and Publications Department. ML 420/421 User's Guide P/N 59348301, Revision 1.2 February, 2006 Every effort has been made to ensure that changes in software and equipment made by other ...
... Microsoft and Windows are registered trademarks of Oki Electric Industry Company, Ltd. Oki Data also cannot guarantee that the information in this guide will not affect the applicability of Epson America, Inc. Written and produced by Oki Data. IBM is a registered trademark of the...does not necessarily constitute endorsement by Oki Data. Copyright 2002, 2007 by the Oki Data Training and Publications Department. ML 420/421 User's Guide P/N 59348301, Revision 1.2 February, 2006 Every effort has been made to ensure that changes in software and equipment made by other ...
User Guide
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... printing for a length of time. The printer has been dropped or its cabinet has been damaged. - Opening the cover may expose you 're following the operating instructions. 4 Microline 420/421 User's Guide These are blocked. The printer doesn't function normally when you to cool ...off. • Do not use liquid or aerosol cleaners. • To protect your printer from the routine maintenance described in this document, don't...
... printing for a length of time. The printer has been dropped or its cabinet has been damaged. - Opening the cover may expose you 're following the operating instructions. 4 Microline 420/421 User's Guide These are blocked. The printer doesn't function normally when you to cool ...off. • Do not use liquid or aerosol cleaners. • To protect your printer from the routine maintenance described in this document, don't...
User Guide
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... 60 Problems / Solutions 61 Appendix A: Parts & Accessories 66 Purchasing Parts & Accessories 66 Replacement Parts 67 Accessories 68 Appendix B: Printer Control Codes 69 IBM Proprinter III Commands 69 Epson FX Commands 72 Oki MICROLINE Standard Commands 75 Appendix C: Specifications 78 Appendix D: ... USB: Specification 1.1 Compliant 89 Loading Paper 89 Testing the Printer 90 Font Sample Test 90 Rolling ASCII Test 91 Hexadecimal Dump Mode 92 Emulations 92 Printer Drivers 92 Loading the OKI Driver 93 Using a Compatible Driver 93 Index 94 6 Microline 420/421 User's Guide
... 60 Problems / Solutions 61 Appendix A: Parts & Accessories 66 Purchasing Parts & Accessories 66 Replacement Parts 67 Accessories 68 Appendix B: Printer Control Codes 69 IBM Proprinter III Commands 69 Epson FX Commands 72 Oki MICROLINE Standard Commands 75 Appendix C: Specifications 78 Appendix D: ... USB: Specification 1.1 Compliant 89 Loading Paper 89 Testing the Printer 90 Font Sample Test 90 Rolling ASCII Test 91 Hexadecimal Dump Mode 92 Emulations 92 Printer Drivers 92 Loading the OKI Driver 93 Using a Compatible Driver 93 Index 94 6 Microline 420/421 User's Guide
User Guide
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... jams. The first line prints at the red line of the plastic paper shield (1) on the printhead. How you turn the platen knob when the printer is set the Top of Form depends on , the Top of the page. You may print the first line of print above or below where.... Top of an inch. It is limited to 500 ms, 1 sec, or 2 sec) or OFF (the factory default setting). 12 Microline 420/421 User's Guide Always shut the printer off before turning the platen knob! The Top of Form and Forms Tear-Off settings of Form (TOF) Important! Note: The factory default setting...
... jams. The first line prints at the red line of the plastic paper shield (1) on the printhead. How you turn the platen knob when the printer is set the Top of Form depends on , the Top of the page. You may print the first line of print above or below where.... Top of an inch. It is limited to 500 ms, 1 sec, or 2 sec) or OFF (the factory default setting). 12 Microline 420/421 User's Guide Always shut the printer off before turning the platen knob! The Top of Form and Forms Tear-Off settings of Form (TOF) Important! Note: The factory default setting...
User Guide
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... Form to the Factory Default" later in this chapter. 14 Microline 420/421 User's Guide If you want it, press and hold SHIFT (2), then press QUIET/TOF (7) to save the setting and place the printer back on the printhead. With paper loaded and the printer on and selected: 1 Press SEL | MENU (1) to take the...; 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 turn the printer off line. The printhead moves back to the left margin. 4 Press SEL/MENU (1) to engage the new setting.
... Form to the Factory Default" later in this chapter. 14 Microline 420/421 User's Guide If you want it, press and hold SHIFT (2), then press QUIET/TOF (7) to save the setting and place the printer back on the printhead. With paper loaded and the printer on and selected: 1 Press SEL | MENU (1) to take the...; 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 turn the printer off line. The printhead moves back to the left margin. 4 Press SEL/MENU (1) to engage the new setting.
User Guide
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... Important Do not use the platen knob to change the Top of Form (where the printing should begin) is turned on the printer. 4 Reload paper. 16 Microline 420/421 User's Guide Resetting Top of Form to the Factory Default The factory default setting for one page only: 1 Press SEL to deselect the... printer. 2 Press LF to lower the position of the Top of Form misaligns. If you turn the printer off . 3 Press and hold PARK + QUIET/...
... Important Do not use the platen knob to change the Top of Form (where the printing should begin) is turned on the printer. 4 Reload paper. 16 Microline 420/421 User's Guide Resetting Top of Form to the Factory Default The factory default setting for one page only: 1 Press SEL to deselect the... printer. 2 Press LF to lower the position of the Top of Form misaligns. If you turn the printer off . 3 Press and hold PARK + QUIET/...
User Guide
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... Tear-Off is OFF. Paper Park Important! When you wish to print single sheets, simply press PARK (6) to retract the continuous form paper from the printer. To change the Forms Tear-Off setting: 1 Press SHIFT (2) + SEL (1). 2 Press GROUP (3) repeatedly until the Rear Feed or Bottom Feed group shows 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. 18 Microline 420/421 User's Guide Manual Forms Tear Off If you don't wish to engage the Forms Tear-Off feature, you to switch to the tear off position manually by...
... Tear-Off is OFF. Paper Park Important! When you wish to print single sheets, simply press PARK (6) to retract the continuous form paper from the printer. To change the Forms Tear-Off setting: 1 Press SHIFT (2) + SEL (1). 2 Press GROUP (3) repeatedly until the Rear Feed or Bottom Feed group shows 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. 18 Microline 420/421 User's Guide Manual Forms Tear Off If you don't wish to engage the Forms Tear-Off feature, you to switch to the tear off position manually by...
User Guide
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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. 4 Move the paper lever to the appropriate position. • Rear feed: • Bottom feed: 3 Swing the wire feed guide over onto the pull-up roller. 5 If necessary, load continuous-form paper. 6 Press FF/LOAD. 20 Microline 420/421 User's 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. 4 Move the paper lever to the appropriate position. • Rear feed: • Bottom feed: 3 Swing the wire feed guide over onto the pull-up roller. 5 If necessary, load continuous-form paper. 6 Press FF/LOAD. 20 Microline 420/421 User's Guide
User Guide
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... (570 cps) • Gothic typeface only NLQ: Near Letter Quality • Highest quality, slowest speed (95 cps) • Courier or Gothic 22 Microline 420/421 User's Guide
... (570 cps) • Gothic typeface only NLQ: Near Letter Quality • Highest quality, slowest speed (95 cps) • Courier or Gothic 22 Microline 420/421 User's Guide
User Guide
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...exit the Menu Mode. 24 Microline 420/421 User's Guide The following line prints: Printer Control Emulation Mode IBM PPR 4 Press TEAR (4) repeatedly until the emulation you reset (reinitialize) the printer. Pressing SHIFT + RESET reinitializes the printer, but does not affect any menu settings and... does not reset the printer to the factory defaults. For information on resetting the printer to the factory defaults, see "Resetting the ...
...exit the Menu Mode. 24 Microline 420/421 User's Guide The following line prints: Printer Control Emulation Mode IBM PPR 4 Press TEAR (4) repeatedly until the emulation you reset (reinitialize) the printer. Pressing SHIFT + RESET reinitializes the printer, but does not affect any menu settings and... does not reset the printer to the factory defaults. For information on resetting the printer to the factory defaults, see "Resetting the ...
User Guide
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If you do not, skip down to "Loading Rear Feed Paper from the Back of the Printer Note: These instructions assume you have ready access to the back of the Printer." 1 Make sure the paper lever is forward (position marked "REAR"). 2 Open the access cover (1). 44 Microline 420/421 User's Guide 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 Front of the printer.
If you do not, skip down to "Loading Rear Feed Paper from the Back of the Printer Note: These instructions assume you have ready access to the back of the Printer." 1 Make sure the paper lever is forward (position marked "REAR"). 2 Open the access cover (1). 44 Microline 420/421 User's Guide 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 Front of the printer.
User Guide
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5 From the back of the printer, locate the tractors (1). 6 Open the lock levers (1) and move the right tractor (as viewed from the back of the printer) to the reference mark (2) matching the width of the right tractor is limited to ensure that the paper covers the paper sensor. 7 Open the tractor covers. 46 Microline 420/421 User's Guide Then close the lock lever on the right tractor: ML421 ML420 Note: The movement of the paper you are loading.
5 From the back of the printer, locate the tractors (1). 6 Open the lock levers (1) and move the right tractor (as viewed from the back of the printer) to the reference mark (2) matching the width of the right tractor is limited to ensure that the paper covers the paper sensor. 7 Open the tractor covers. 46 Microline 420/421 User's Guide Then close the lock lever on the right tractor: ML421 ML420 Note: The movement of the paper you are loading.
User Guide
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11 Lower the sheet guide and slide it toward the front of the printer until the marks align. 12 Place the wire guide ("1" in the illustration for the Top of Form (where the printing should begin) is 1" down from the top of Form (TOF)" in the sheet guide on the pull-up roller assembly. 13 Press FF/LOAD. To change the setting, see "Top of the page. Note: The factory default setting for the step above) in Chapter 3. 48 Microline 420/421 User's Guide
11 Lower the sheet guide and slide it toward the front of the printer until the marks align. 12 Place the wire guide ("1" in the illustration for the Top of Form (where the printing should begin) is 1" down from the top of Form (TOF)" in the sheet guide on the pull-up roller assembly. 13 Press FF/LOAD. To change the setting, see "Top of the page. Note: The factory default setting for the step above) in Chapter 3. 48 Microline 420/421 User's Guide
User Guide
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... the lever to lock it in illustration below) on the printer for the two most common paper sizes: ML420: ML421: 7 Open the tractor covers and place continuous forms paper on the first two pins of the paper. 50 Microline 420/421 User's Guide If you don't the paper will find reference marks (1 in... your paper size and push back on either pin the same. 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. 5 You will skew and jam. 6 Move the left tractor cover. Important...
... the lever to lock it in illustration below) on the printer for the two most common paper sizes: ML420: ML421: 7 Open the tractor covers and place continuous forms paper on the first two pins of the paper. 50 Microline 420/421 User's Guide If you don't the paper will find reference marks (1 in... your paper size and push back on either pin the same. 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. 5 You will skew and jam. 6 Move the left tractor cover. Important...
User Guide
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To change the setting, see "Top of the page. 10 Place the wire guide (1) in Chapter 3. 52 Microline 420/421 User's Guide Note: The factory default setting for the Top of Form (where the printing should begin) is 1" down from the top of Form (TOF)" in the sheet guide on the pull-up roller assembly. 11 Press FF/LOAD.
To change the setting, see "Top of the page. 10 Place the wire guide (1) in Chapter 3. 52 Microline 420/421 User's Guide Note: The factory default setting for the Top of Form (where the printing should begin) is 1" down from the top of Form (TOF)" in the sheet guide on the pull-up roller assembly. 11 Press FF/LOAD.
User Guide
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If the paper does not feed in Chapter 3. 54 Microline 420/421 User's Guide To change the setting, see "Top of Form (TOF)" in , remove it is 1" down from the top of the page. Reload the sheet of paper. ... of paper in the separator. Make sure the ALARM light is on: if it . The paper will feed into the printer. Important! Check the paper lever position. 4 Adjust the paper feed guides (1) for the Top of Form (where the printing should begin) is flashing, hold the SHIFT key and press the CHARACTER...
If the paper does not feed in Chapter 3. 54 Microline 420/421 User's Guide To change the setting, see "Top of Form (TOF)" in , remove it is 1" down from the top of the page. Reload the sheet of paper. ... of paper in the separator. Make sure the ALARM light is on: if it . The paper will feed into the printer. Important! Check the paper lever position. 4 Adjust the paper feed guides (1) for the Top of Form (where the printing should begin) is flashing, hold the SHIFT key and press the CHARACTER...
User Guide
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... 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 the sheet guide (4) and lift it off before you may have: • defective paper • misaligned paper... Jams If the paper keeps jamming, you open the access cover. 3 Open the access cover (1) and remove the pull up roller assembly (2). Make sure the printer is turned off the printer. 56 Microline 420/421 User's Guide
... 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 the sheet guide (4) and lift it off before you may have: • defective paper • misaligned paper... Jams If the paper keeps jamming, you open the access cover. 3 Open the access cover (1) and remove the pull up roller assembly (2). Make sure the printer is turned off the printer. 56 Microline 420/421 User's Guide
User Guide
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Single-Sheet Paper Jams 1 Turn 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). 58 Microline 420/421 User's Guide 4 Remove any torn pieces from around the carriage. 5 Reinstall the pull-up roller assembly and close the access cover.
Single-Sheet Paper Jams 1 Turn 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). 58 Microline 420/421 User's Guide 4 Remove any torn pieces from around the carriage. 5 Reinstall the pull-up roller assembly and close the access cover.
User Guide
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... in your software, check to print a document. Problem I'm getting strange symbols, incorrect fonts, etc., when I try to be sure that you have embedded any printer commands in the printer. Problem The printer does not print when the computer sends data. Solutions 1 Is the SEL light on? Solutions 1 Check to be sure that the... emulation you have selected. 2 If you have the optional serial interface board installed, check to be sure that it is securely connected to both the printer and the computer. 3 If you entered them correctly. 62 Microline 420/421 User's Guide
... in your software, check to print a document. Problem I'm getting strange symbols, incorrect fonts, etc., when I try to be sure that you have embedded any printer commands in the printer. Problem The printer does not print when the computer sends data. Solutions 1 Is the SEL light on? Solutions 1 Check to be sure that the... emulation you have selected. 2 If you have the optional serial interface board installed, check to be sure that it is securely connected to both the printer and the computer. 3 If you entered them correctly. 62 Microline 420/421 User's Guide
User Guide
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... are dots missing in Chapter 4. 64 Microline 420/421 User's Guide Problem The ALARM light is on and the Character Pitch 10 light is flashing. Problem There are trying to use. If that the paper lever is flashing. Solution Try turning the printer off and then back on again. Move it to a lower...
... are dots missing in Chapter 4. 64 Microline 420/421 User's Guide Problem The ALARM light is on and the Character Pitch 10 light is flashing. Problem There are trying to use. If that the paper lever is flashing. Solution Try turning the printer off and then back on again. Move it to a lower...