Oki ML420 - Manual

Oki ML420

Oki ML420 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – Trademark Information
  • Page 3 – Safety
  • Page 5 – Contents
  • Page 7 – Chapter 1: Introduction; Oki Data on the Internet
  • Page 8 – Chapter 2: Helpful Hints; Saving Time; Internet Support; Oki Data provides support via the Internet:; Paper Park; For more information, see “Paper Park” in Chapter 3.
  • Page 9 – Operation Tips; Turning the Platen Knob; When Limited Operation is selected, the; and; keys don’t work. This prevents these
  • Page 10 – Chapter 3: Using Your Printer; Parts Identification: Rear Feed; Note: The serial number of your printer is on a label on the
  • Page 11 – Parts Identification: Top Feed; Paper Guides
  • Page 13 – Determining if Forms Tear-Off is Off or On
  • Page 14 – When you have the TOF set where you want it, press and; Press
  • Page 15 – Forms Tear-Off Set to ON
  • Page 16 – Important; to deselect the printer.; Press; to lower the position of the Top of Form.; Resetting Top of Form to the Factory Default; To reset the Top of Form to the factory default:; Remove paper from the paper path.; Turn the printer off.; Press and hold; while turning on the
  • Page 17 – Forms Tear-Off Feature; Note: This feature is normally turned off. To use Forms; Notes: The status of the Forms Tear-Off menu setting affects; Potential Problems with Software Packages; If this occurs, use the menu to turn off this feature, then use the; key to move the paper up to the tear position manually
  • Page 18 – Changing the Forms Tear-Off Setting; Press; Manual Forms Tear Off; or
  • Page 19 – Changing Paper Paths; Continuous Forms to; Tear off any printed pages, then press; Pivot the wire feed guide into the sheet guide.; then place a sheet of paper in the sheet guide.
  • Page 20 – Single Sheets to Continuous Forms
  • Page 21 – Setting; Printhead Gap
  • Page 22 – Print Quality; Press; UTL: Utility—the default
  • Page 23 – Epson and IBM Emulations; MICROLINE Emulation; both the cpi value and PROP lights are lit.; Character Pitch; Note: To reset the printer to the factory default character; key while pressing the
  • Page 24 – Printer Reset; The; Pressing; reinitializes the printer, but does not; Emulations; Changing Emulations; The following line prints:
  • Page 25 – GROUP Key; ITEM Key; SET Key; PRINT Key; MENU Light; Menu Mode Keys
  • Page 26 – Note: Please print the current Menu Mode settings before you; Printing the Menu Settings; Printing the Current Menu Settings
  • Page 27 – Changing the Menu Settings
  • Page 28 – Menu Settings Table; Group; Settings (Defaults are set in bold italic)
  • Page 29 – Settings (Defaults are set in bold italic)
  • Page 35 – Explanations of Menu Items; Change this setting to 8 if your system uses 8-bit graphics.
  • Page 38 – key while turning on the printer.
  • Page 39 – Wide carriage model only.
  • Page 40 – Note: This will also prevent your software from clearing out
  • Page 41 – Change to Double for double width and height printing.
  • Page 42 – Make sure the printer is turned OFF.; Open the access cover and center the printhead.; Chapter 5: Maintenance; Replacing the Ribbon Cartridge; Ribbon Cartridge Handling
  • Page 43 – The printhead may be HOT!; Swing the used ribbon cartridge up off the printhead, lift it; take up any ribbon slack.; Close the access cover and turn the printer back on.; If ribbon should contact the eyes:
  • Page 44 – Loading Rear Feed Paper from the; of the Printer; Loading Paper; Note: If you have any paper in the paper path, remove it
  • Page 45 – Pivot the sheet guide forward and gently rest it against the
  • Page 46 – Open the tractor covers.
  • Page 47 – Place continuous forms paper on the first two pins of either; Note: If the paper is too loose or too tight it can cause jams.
  • Page 48 – 1 Lower the sheet guide and slide it toward the front of the; printer until the marks align.; 2 Place the wire guide (“1” in the illustration for the step; Note: The factory default setting for the Top of Form (where
  • Page 49 – Grasp the tabs and lift off the sheet guide.
  • Page 50 – Note: The movement of the left tractor (as viewed from the; You will find reference marks (1 in illustration below) on the; printer for the two most common paper sizes:; Move the left tractor to the position to match your paper size
  • Page 51 – Adjust the position of the right tractor to center the holes in; Reinstall the sheet guide.
  • Page 52 – 0 Place the wire guide (1) in the sheet guide on the pull-up
  • Page 53 – Open the acoustic cover (1) and raise the sheet guide to the; Note: If you have continuous form paper in the path, press; to remove it before loading single sheets.; Place the paper lever in the center position (marked “TOP”).
  • Page 54 – Adjust the paper feed guides (1) for the width of the paper,; hold the; key and press the
  • Page 55 – Clearing Paper Jams; Turn off the printer.; lock the tractor covers.; Lower the sheet guide, then install the pull-up roller; assembly and close the access cover.; Turn on the printer and press
  • Page 57 – around the platen. This brings out jammed pieces of paper.
  • Page 58 – Single-Sheet Paper Jams
  • Page 59 – Cleaning the Housing
  • Page 60 – Chapter 6: Troubleshooting; General Information; Note: Settings in your software application will normally
  • Page 61 – Problem
  • Page 62 – Is the; Check that the interface cable is securely connected to both; Check to be sure that the printer driver you have selected in; If you have embedded any printer commands in your
  • Page 64 – key and correct the
  • Page 65 – Press and release the; Press and hold the; light comes on and you can now load paper.
  • Page 66 – Purchasing Parts & Accessories
  • Page 67 – Replacement Parts; Item; Both Models
  • Page 68 – Option
  • Page 69 – Appendix B: Printer Control Codes; Place the CD in your CD-ROM drive and wait for it to; IBM Proprinter III Commands; IBM Command
  • Page 72 – Epson FX Commands
  • Page 75 – Oki MICROLINE Standard
  • Page 77 – Oki Command
  • Page 78 – Appendix C: Specifications; Note: Specifications are subject to change without notice.; Print Method; Impact dot matrix; Printhead; Ethernet Print Servers:; Receive Buffer Size; Ribbon Life
  • Page 79 – • IBM Proprinter III; Print Speed; Speed
  • Page 80 – Graphics Resolution; Emulation; Resident Fonts; Bar Codes
  • Page 81 – Paper Specifications: ML420; Labels
  • Page 82 – Paper Specifications: ML421; Carbonless continuous forms
  • Page 83 – Environmental Requirements; Temperature; Electrical Requirements; Note: Height dimensions do not include the acoustic cover.
  • Page 84 – Appendix D: Installation; Location
  • Page 85 – Remove the printhead shipping restraint.
  • Page 86 – remove the shipping restraint.; Reinstall the sheet guide: insert the clips on either side of the
  • Page 87 – Unpack the new ribbon cartridge and install it on the; arrow to take up any ribbon slack.; Close the access cover and turn the printer on.; Install the Ribbon Cartridge; • Leave unused ribbon cartridges in their packages until
  • Page 88 – Power Connection; Make sure both the printer and the computer are OFF.; Plug the power cord into the back of the printer, then into a; Computer Connections; • Printer has 36-pin socket; Turn the printer and computer back on.
  • Page 89 – • Printer has USB “B” receptacle.; Attach a suitable USB cable to the printer. Then attach the; cable to your computer.; Turn the computer and printer back on.
  • Page 90 – Testing the Printer; • Font Sample Test; Font Sample Test; Make sure paper is loaded.; key while turning the printer back on.
  • Page 91 – Rolling ASCII Test; Make sure continuous forms paper is loaded.; key while turning the printer
  • Page 92 – Hexadecimal Dump Mode; represented by a period.
  • Page 93 – Loading the OKI Driver; Parallel Interface; Select your printer model.; USB Interface; Turn the printer on.; The Windows Add New Hardware Wizard window displays.; Follow the on-screen instructions to install the software for; Using a Compatible Driver; Note: See your software documentation for information on how
  • Page 94 – Index
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User’s
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59348301

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Summary

Page 2 - Trademark Information

2 ML 420/421 User’s Guide P/N 59348301, Revision 1.2 February, 2006 Every effort has been made to ensure that the information inthis document is complete, accurate, and up-to-date. Oki Dataassumes no responsibility for the results of errors beyond itscontrol. Oki Data also cannot guarantee that chan...

Page 3 - Safety

3 Safety Your Oki printer has been carefully designed to give you yearsof safe, reliable performance. As with all electrical equipment,there are a few basic precautions you should take to avoidhurting yourself or damaging the printer: • Carefully read all setup and operating instructions. Be sure to...

Page 5 - Contents

5 Contents Safety ............................................................................ 3 Chapter 1: Introduction ............................................. 7 Printer Features ............................................................................... 7 Chapter 2: Helpful Hints ..........

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