Oki Microline 490 User Manual
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Oki Microline 490 User Manual

24-pin printer
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  • Page 1 User’s Guide 59348401...
  • Page 2 Every effort has been made to ensure that the information in this document is complete, accurate, and up-to-date. Oki Data assumes no responsibility for the results of errors beyond its control. Oki Data also cannot guarantee that changes in software and equipment made by other manufacturers and referred to in this guide will not affect the applicability of the information in it.

  • Page 3: Safety

    Safety Your Oki printer has been carefully designed to give you years of safe, reliable performance. As with all electrical equipment, there are a few basic precautions you should take to avoid hurting yourself or damaging the printer: • Carefully read all setup and operating instructions. Be sure to save all documents for future reference.
  • Page 4 Do not touch the printhead until it has had a chance to cool off. • Do not use your printer near water. Do not spill liquid of any kind into it. • Do not poke anything into the ventilation slots on the sides of the printer.

  • Page 5: Table Of Contents

    Operation Tips ... 9 Top of Form (TOF) ... 9 Turning the Platen Knob ... 9 Controlling Access to the Printer ... 9 Chapter 3: Using Your Printer ... 10 Parts Identification: Rear Feed (Continuous Forms) ... 10 Parts Identification: Top Feed (Single Sheets) ... 11 Top of Form (TOF) ...
  • Page 6 Testing the Printer ... 87 Font Sample Test ... 87 Rolling ASCII Test ... 88 Hexadecimal Dump Mode ... 89 Emulations ... 89 Printer Drivers ... 89 Loading the OKI Driver ... 90 Using a Compatible Driver ... 90 Index ... 91...

  • Page 7: Chapter 1: Introduction

    • This rugged 24-pin printer can meet the needs of harsh and demanding environments. Oki Data on the Internet The Oki Data Web Sites provide the most current information available on your printer. On-line documents are available for viewing and downloading via Oki Data’s Web Sites.

  • Page 8: Chapter 2: Helpful Hints

    Off” in Chapter 3: Using Your Printer. Saving Time Internet Support Oki Data provides support via the Internet: • is the main web site, the gateway to Oki www.okidata.com Data’s products and services. • is a powerful area of Oki Data’s web http://my.okidata.com...

  • Page 9: Operation Tips

    Turning 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.

  • Page 10: Chapter 3: Using Your Printer

    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: Parts Identification: Top Feed (Single Sheets)

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

  • Page 12: Top Of Form (Tof)

    Top of Form (TOF) Important! If you turn the platen knob when the printer is on, the Top of Form misaligns. Always shut the printer off before turning the platen knob! Note: The factory default setting for the Top of Form (where the printing should begin) is 1"...

  • Page 13: Determining If Forms Tear-Off Is Off Or On

    Roll Paper Stand is installed). To use the TEAR key: 1 Make sure paper is loaded. 2 Press (3). TEAR • If the paper moves up, Forms Tear-off is off. • If the paper moves down, Forms Tear-off is on. Using Your Printer...

  • Page 14: Setting Top Of Form (Tof)

    Setting Top of Form (TOF): Forms Tear-Off OFF (Default Setting) Important! If you turn the platen knob when the printer is on, the Top of Form misaligns. Always turn the printer off before turning the platen knob! Note: The first line prints at the red line (1) of the plastic paper shield on the printhead.

  • Page 15: Setting Top Of Form (Tof)

    Setting Top of Form (TOF): Forms Tear-Off Set to ON Important! If you turn the platen knob when the printer is on, the Top of Form misaligns. Always turn the printer off before turning the platen knob! Note: The first line prints at the red line (1) of the plastic paper shield on the printhead.

  • Page 16: Temporarily Changing The Top Of Form Position

    Important Do not use the platen knob to change the Top of Form. If you turn the platen knob when the printer is turned on, the Top of Form misaligns. Always turn the printer off before turning the platen knob!

  • Page 17: Forms Tear-Off Feature

    (with the optional push tractor installed) or for top feed roll paper (with optional roll paper stand installed). When the printer is turned on, the paper feeds to the tear-off position. When data is received, the paper automatically moves down to the print position (TOF) and printing begins.

  • Page 18: Changing The Forms Tear-Off Setting

    (2) + (1) to exit Menu Mode and save the SHIFT setting. Microline 490/491 User’s Guide 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 •...

  • Page 19: Changing Paper Paths

    3 Pivot the wire feed guide into the sheet guide. 4 Move the paper lever (1) to the middle position marked “TOP.” PARK 5 Adjust the paper guides (1) for the size paper you are using, then place a sheet of paper in the sheet guide. Using Your Printer...

  • Page 20: Single Sheets To Continuous Forms

    FF/LOAD 2 Lower the sheet guide into the continuous-forms position. 3 Swing the wire feed guide over onto the pull-up roller. Microline 490/491 User’s Guide 4 Move the paper lever to the appropriate position. • Rear feed: • Bottom feed: 5 If necessary, load continuous-form paper.

  • Page 21: Printhead Gap

    3-part form (with carbon) 4-part form (with carbon) 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. Using Your Printer...

  • Page 22: Print Quality

    Print Quality Important! Front panel settings for print quality and character pitch are normally overridden by software commands. Microline 490/491 User’s Guide Press (1) to select: PRINT QUALITY LQ: Letter Quality [LQ light on] • Highest quality, slowest speed • Choice of 7 typefaces...

  • Page 23: Typefaces: Lq Mode

    To select the typeface you wish to use, press (1) until the appropriate front panel lights are on: Typeface Courier Gothic Orator Prestige Roman Swiss Swiss Bold PRINT QUALITY Lights on COURIER GOTHIC ORATOR PRESTIGE , and COURIER GOTHIC PRESTIGE ORATOR COURIER PRESTIGE Using Your Printer...

  • Page 24: Character Pitch

    This provides a more polished, typeset appearance. Set the character pitch by pressing CHARACTER PITCH/RESET (1) until the LED beside the desired setting glows. Microline 490/491 User’s Guide...

  • Page 25: Printer Reset

    SHIFT RESET 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 Menu to the Factory Defaults” later in this chapter.

  • Page 26: Chapter 4: Menu Mode

    In Menu Mode, you use the front panel keys to change the defaults for the printer parameters. The changes you make in the Menu Mode are automatically saved when you exit the Menu Mode and are retained, even when you turn the printer off. Menu Mode Keys GROUP Key Prints the next Group in the Menu.

  • Page 27: Entering And Exiting Menu Mode

    Printing the Menu Settings while pressing SHIFT Printing the Current Menu Settings 1 Make sure paper is loaded in the printer. 2 Press and hold Mode. 3 Press 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: 1 Make sure paper is loaded in the printer.

  • Page 28: Changing The Menu Settings

    , then press SHIFT and save your settings. Important! If you turn off the printer without first exiting the Menu Mode, the changes you have made will be lost. Microline 490/491 User’s Guide to enter the Menu to exit the Menu Mode...

  • Page 29: Menu Settings Table

    The table below shows the items which may appear in the menu. Settings which are engaged at the factory (defaults) are set in bold italic. Some groups or entries will only appear when a specific emulation is engaged, as noted. Group Item Printer Control Emulation Mode Font Print Mode...
  • Page 30 Bottom Feed Line Spacing Form Tear-Off Skip Over Perforation Page Width (wide model) Page Length Microline 490/491 User’s Guide Settings (Defaults are set in bold italic) 6 LPI, 8 LPI Off, 500 ms, 1 sec, 2 sec No, Yes 13.6", 8"...
  • Page 31 Menu Settings Table (Continued) Group Item Top Feed Line Spacing Form Tear-Off* Bottom Margin Page Width (wide model) Page Length Wait Time Page Length Control Set-Up Graphics Receive Buffer Size Paper Out Override Print Registration 1 Print Registration 2 * Appears only when the optional Roll Paper Stand is installed. Settings (Defaults are set in bold italic) 6 LPI, 8 LPI Off, 500 ms, 1 sec, 2 sec...
  • Page 32 Power Saving Power Save Time * Appears only when the IBM emulation is selected. † Appears only when optional Cut Sheet Feeder is installed. Microline 490/491 User’s Guide Settings (Defaults are set in bold italic) Full Operation, Limited Operation No, Yes...
  • Page 33 Menu Settings Table (Continued) Group Item Parallel I/F I-Prime Pin 18 Auto Feed XT* Bi-Direction Serial IF† Parity Serial Data 7/8 Bits Protocol Diagnostic Test Busy Line Baud Rate DSR Signal DTR Signal Busy Time * Appears only when the Epson LQ emulation is selected. †...
  • Page 34 CSF Bin 2* Line Spacing Bottom Margin Page Length * Appears only when the optional Cut Sheet Feeder is installed. Microline 490/491 User’s Guide Settings (Defaults are set in bold italic) 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"...

  • Page 35: Explanations Of Menu Items

    Determines whether or not your printer will automatically be selected after you load in paper. With the factory default engaged, the printer will be deselected so that you can set the Top of Form. If you always use the same Top of Form position, change the setting to Yes.
  • Page 36 Used to limit printhead travel when printing narrow columns. • Select Mode 1 for the narrow carriage printer. • Select Mode 1 or Mode 2 for the wide carriage printer. Character Set, Default = IBM Set I Use this to switch character sets to IBM Set II Microline 490/491 User’s Guide...
  • Page 37 Appears only when the optional Serial Interface is installed. Change to Ready on Select if the DTR signal is required when the printer is selected (leave as Ready on Power Up if the DTR signal is required when the printer is turned on).
  • Page 38 Page Length, Default = 11" 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 Change the setting to “by Actual Page Length”...
  • Page 39 Selects the amount of memory devoted to holding received data. Choosing 1 Line will tie up your computer while 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.
  • Page 40 Change to Double for double width and height printing. Skip Over Perforation, 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.

  • Page 41: Chapter 5: Maintenance

    Replacing 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.
  • Page 42 Microline 490/491 User’s Guide 5 Turn the 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.

  • Page 43: Loading Paper

    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.”...
  • Page 44 3 Grasp the sheet guide. Lift it slightly, then slide it back. Microline 490/491 User’s Guide 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.
  • Page 45 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 paper you are loading. Then...
  • Page 46 If you don’t the paper will skew and jam. 9 Close the right tractor cover. Microline 490/491 User’s Guide 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.
  • Page 47 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 step above) in the sheet guide on the pull-up roller assembly.
  • Page 48 Loading Rear Feed Paper from the Front of the Printer Note: These instructions assume 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.
  • Page 49 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 find reference marks (1 in illustration below) on the printer for the two most common paper sizes:...
  • Page 50 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. Microline 490/491 User’s Guide 9 Reinstall the sheet guide.
  • Page 51 10 Place the wire guide (1) 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.

  • Page 52: Top Feed (Single Sheets)

    Note: If you have continuous form paper in the path, press to remove it before loading single sheets. PARK 1 Make sure the printer is on and deselected ( 2 Place the paper lever in the center position (marked “TOP”). Microline 490/491 User’s Guide 3 Open the acoustic cover (1) and raise the sheet guide to the single-sheet position.
  • Page 53 4 Adjust the paper feed guides (1) for the width of the paper, then place a sheet of paper in the separator. The paper will feed into the printer. Important! If the paper does not feed in, remove it. Check the paper lever position.

  • Page 54: Clearing Paper Jams

    2 Use the platen knob to back the paper all the way 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).

  • Page 55: Rear-Feed, Repeating Paper Jams

    2 Use the platen knob to back the paper all the way 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).
  • Page 56 This brings out jammed pieces of paper. 7 Remove the paper pieces. Then, use the platen knob to back the paper out. Microline 490/491 User’s Guide 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.

  • Page 57: Single-Sheet Paper Jams

    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). 4 Remove any torn pieces from around the carriage.

  • Page 58: Cleaning The Housing

    Never use strong solvents or strong detergents on the cabinet—they 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.

  • Page 59: Chapter 6: Troubleshooting

    • 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.

  • Page 60: Problems / Solutions

    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 hasn’t blown or that the circuit breaker hasn’t tripped.
  • Page 61 I'm getting strange symbols, incorrect fonts, etc., when I try to print a document. Solutions key. 1 Check to be sure that the printer driver you have selected in your software matches the printer emulation. • Press • This will print a line showing the emulation you have selected.
  • Page 62 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.
  • Page 63 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.
  • Page 64 Problem The printer needs paper. The ALARM is not on. I can’t load paper. Solution 1 Press and release the key. 2 Press and hold the key and press the SHIFT key. CHARACTER PITCH 3 The light comes on and you can now load paper.

  • Page 65: Appendix A: Parts & Accessories

    Item descriptions and part numbers are provided in this section. • Consult the dealer where 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...

  • Page 66: Replacement Parts

    Replacement Parts Microline 490/491 User’s Guide Item Both Models Ribbon Cartridge ( ) ------------------------------- 42377801 Platen Knob ( ) ------------------------------------- 51902220 Power Cord ( ) ------------------------------------- 56631801 Model ML490 Printhead ( ) ---------------------------------------- 42124201 Access Cover ( ) ----------------------------------- 42115401...

  • Page 67: Accessories

    Accessories Option Model ML490 Pull Tractor, Top-Mount ( ) ----------------------- 70030501 Push Tractor, Bottom-Mount ( ) ----------------- 70030701 Roll Paper Stand ( ) ------------------------------- 70023301 Model ML491 Pull Tractor, Top-Mount ( ) ----------------------- 70030601 Push Tractor, Bottom-Mount ( ) ----------------- 70030801 Both Models Cut Sheet Feeder ( ) ------------------------------- 70030101 Serial Interface ( ) --------------------------------- 70012801...

  • Page 68: Appendix B: Printer Control Codes

    Appendix B: Printer Control Codes This section lists the most commonly used printer control codes. You will find a comprehensive listing of the control codes (English only), on your Printer CD. To access it: 1 Place the CD in your CD-ROM drive and wait for it to AutoPlay.
  • Page 69 Inches (n = 1 to 22) n Lines (n = 1 to 127) 27 119 49 or 27 31 48 Horizontal Tab 27 119 48 Initialize Printer or 27 31 49 Justification 27 87 49 Left 27 87 48...
  • Page 70 ESC 3 n n/60" (n = 0 to 127) ESC A n 1/6" ESC 2 1/8" ESC 0 Microline 490/491 User’s Guide Epson Command Margins Decimal Set Left Margin (n = 0 to 255) Set Right Margin (n = 0 to 255)
  • Page 71 Epson LQ Commands (Continued) Epson Command ASCII Print Speed Half-Speed On ESC s 1 Half-Speed Off ESC s 0 Print Suppress Mode On Print Suppress Mode Off Proportional Spacing On ESC p 1 Proportional Spacing Off ESC p 0 Skip Over Perforation ON ESC N n (n = 1 to 127) Skip Over Perforation OFF ESC O Software I-Prime...

  • Page 72: Ibm Proprinter X24E / Xl24E And Ibm X24E Agm / Xl24E Agm Commands

    Normal ESC q 0 Outline ESC q 1 Shadow ESC q 2 Outline with Shadow ESC q 3 Microline 490/491 User’s Guide IBM Command Double Width for One Line Decimal Emphasized Printing On Emphasized Printing Off Enhanced Printing On Enhanced Printing Off...
  • Page 73 IBM Commands (continued) IBM Command ASCII Print One Character from IBM Set III (n = 0 to 255) ESC ^ n Italic Printing On ESC % G Italic Printing Off ESC % H Line Feed, Execute w/ Carriage Return n/180" AGM only (n = 1 to 255) ESC J n n/216"...
  • Page 74 ESC Q # Print Suppress Mode Off Proportional Spacing On ESC P 1 Proportional Spacing Off ESC P 0 Microline 490/491 User’s Guide IBM Command Skip Over Perforation On Decimal (n = 1 to 255) 27 56 Skip Over Perforation Off ESC 0...

  • Page 75: Appendix C: Specifications

    Appendix C: Specifications Note: Specifications are subject to change without notice. Print Method Impact dot matrix Printhead 24 pins, 0.20 mm (0.0079") diameter, with thermal protection Interfaces Standard: Centronics parallel, IEEE-1284 compliant USB 1.1 Optional: RS-232C Serial Ethernet Print Servers: 6120i 10/100 Base-TX Internal 6020e 10/100 Base-T External 6010e 10 Base-T External...

  • Page 76: Print Speed

    Letter Quality (LQ) 10 cpi 12 cpi 15 cpi 17.1 cpi 20 cpi * Characters per inch † Characters per second Microline 490/491 User’s Guide Characters per Line (cpl) Setting 10 cpi 12 cpi 15 cpi Speed 17.1 cpi 420 cps†...

  • Page 77: Resident Fonts

    Resident Fonts Print Quality Available Fonts Letter Quality Courier, Gothic, Orator, Prestige, Roman, Swiss, Swiss Bold Utility Gothic Bar Codes • Code 39 • UPC A, UPC E • EAN 8, EAN 13 • Interleaved 2 of 5 • Code 128 •...
  • Page 78 Feed: Rear, Bottom* Weight: 10 to 12 lb. paper, 9 lb carbon Width Range: 3 to 10" (76 to 254 mm) * Bottom feed requires optional pull or push tractor Microline 490/491 User’s Guide Labels Feed: Bottom* Only Weight: Not applicable Width Range: 3"...
  • Page 79 Paper Specifications: ML491 Single (Cut) Sheet Feed: Top Only Weight: 14 to 24 lb. US Bond (52.6 to 90 g/m Width Range: 7.2" to 14.3" (182.8 to 363.2 mm) Single-part, continuous forms Feed: Rear, Bottom* Weight: 12 to 24 lb. US Bond (45 to 90 g/m Width Range: 3"...

  • Page 80: Environmental Requirements

    78 W Typical, 10 W idle • 230 ac, (+15%, -14 %) 50 or 60 Hz (±2%) 78 W Typical, 10 W idle Microline 490/491 User’s Guide Physical Specifications Note: Height dimensions do not include the acoustic cover. ML490 Size (WxDxH): 17.1" x 16.1" x 6"...

  • Page 81: Appendix D: Installation

    Appendix D: Installation Location • Place your printer on a firm, solid surface. • Allow enough space around the printer to easily access the platen knob and the various paper feed paths. • Make sure a suitable grounded power outlet is available nearby.
  • Page 82 2 Remove the printhead shipping restraint. Microline 490/491 User’s Guide 3 Remove the shipping restraint from the pull-up roller assembly (1).
  • Page 83 4 Use the tabs (1) to lift and remove the sheet guide, then 5 Reinstall the sheet guide: insert the clips on either side of the remove the shipping restraint. separator into the notches marked with a triangle, then press down to secure the separator in place.

  • Page 84: Install The Ribbon Cartridge

    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.

  • Page 85: Power Connection

    Power Connection 1 Make sure both the printer and the computer are OFF. 2 Plug the power cord into the back of the printer, then into a grounded outlet. 3 Turn on the printer. Computer Connections Parallel (LPT): IEEE 1284 •...

  • Page 86: Usb: Specification 1.1 Compliant

    • 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.

  • Page 87: Testing The Printer

    Country Code, Interface, and Firmware Revision Level. 1 Make sure paper is loaded. 2 Turn off the printer. 3 Press and hold the key while turning the printer back on. The printer prints a page of font samples and the test ends. Installation...

  • Page 88: Rolling Ascii Test

    Wide carriage Model ML491: If you are using 8.5" 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 Chapter 4: Menu Mode for more information.

  • Page 89: Hexadecimal Dump Mode

    “Changing Emulations” in Chapter 3. Printer Drivers The Oki driver for your printer is provided on the CD included with the printer. You can either load the Oki driver or select one of the compatible drivers listed below in your software application.

  • Page 90: Loading The Oki 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 • Epson LQ 80/1000 •...

  • Page 91: Index

    Control Codes ... 68 Cut Sheet Feeder... 67 Electrical Requirements ... 80 Emulations ... 25, 29, 89 Changing ... 25 Matching the printer driver ... 61 Mode ... 29, 37 Envelopes ... 78, 79 Environmental Requirements ... 80 Epson LQ Commands ... 68–71...
  • Page 92 Printing ... 37 Bi-directional ... 31 Uni-directional ... 31 Resolution ... 76 GROUP, Menu Mode ... 26 Microline 490/491 User’s Guide Height, double height printing ... 40 Hex Dump Mode ... 89 Humidity ... 80 I-Prime ... 33, 37, 60 Character Set ...
  • Page 93 Rear Feed ... 30 Top Feed ... 31 Page Width ... 38 Bottom Feed ... 30 Rear Feed ... 30 Setting in the Printer Menu ... 31, 38 Top Feed ... 31 Paper Cut Sheet ... 67 Paper Out Override ... 31, 38 Single Sheet ...
  • Page 94 Matching drivers to emulations ... 61 Software vs. printer settings ... 60 Specifications ... 75 Speed, print, graphics ... 37 Microline 490/491 User’s Guide Standard Character Set ... 29 Static charges and paper ... 64 Symbol Sets ... 29, 37 TEAR Front Panel key ...

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Microline 491

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