Manuals / Oki / Computer Equipment / Printer

Oki 490 Note If the paper is too loose or too tight it can cause jams, Reinstall the sheet guide

Models: 490

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8Adjust the 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.

9Reinstall the sheet guide.

50Microline 490/491 User’s Guide

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Oki 490 manual Note If the paper is too loose or too tight it can cause jams, Reinstall the sheet guide

Contents

User’s Guide 59348401Mailing Address e-Mail Address pubs@okidata.comSafety These are some of the things to look for Chapter 1 Introduction ContentsChapter 3 Using Your Printer Chapter 2 Helpful HintsAppendix A Parts & Accessories Chapter 5 MaintenanceChapter 6 Troubleshooting Appendix C SpecificationsOki Data on the Internet Printer FeaturesChapter 1 Introduction High Speed Draft Mode 420 cps 10 cpi Utility Mode 269 to 472 cpsSaving Money Forms Tear-Off Note This feature is normally turned offChapter 2 Helpful Hints Saving TimeTop of Form TOF Controlling Access to the PrinterOperation Tips Turning the Platen KnobNote For rear feed, the paper lever must be forward Chapter 3 Using Your PrinterParts Identification Rear Feed Continuous Forms Using Your Printer Parts Identification Top Feed Single SheetsPaper Guides Sheet Guide Paper Lever On-Off Switch Platen Knob Control Panel Acoustic Cover openTop of Form TOF Top of Form TOF and Forms Tear-OffDetermining if Forms Tear-Off is Off or On The printhead moves back to the left margin Setting Top of Form TOFForms Tear-Off OFF Default Setting The paper moves to the current TOF The SEL light goes off and the red alarm light comes onForms Tear-Off Set to ON Setting Top of Form TOFResetting Top of Form to the Factory Default Temporarily Changing the Top of Form PositionDo not use Forms Tear-Off with labels or multipart forms Forms Tear-Off FeaturePotential Problems with Software Packages Paper Park Changing the Forms Tear-Off SettingNote The default setting for Forms Tear-Off is OFF Manual Forms Tear OffUsing Your Printer Changing Paper PathsContinuous Forms toSingle Sheets 1 Press FF/LOAD to remove the single-sheet paper Single Sheets toContinuous Forms3 Swing the wire feed guide over onto the pull-up roller 2 Lower the sheet guide into the continuous-forms positionMake sure the printer is turned off before you open the access cover Printhead GapUtility UTILITY light on Print QualityLQ Letter Quality LQ light on HSD High Speed Draft LQ and UTILITY lights both onGothic Typefaces LQ ModeCourier OratorCharacter Pitch Emulations Printer ResetEpson LQ - factory setting Changing EmulationsChapter 4 Menu Mode Menu Mode KeysEntering and Exiting Menu Mode Resetting the Menu to the Factory DefaultsPrinting the Menu Settings Printing the Current Menu SettingsChanging the Menu Settings Group Menu Settings TableSettings Defaults are set in bold italic Settings Defaults are set in bold italic Menu Settings Table Continued13.6 GroupSettings Defaults are set in bold italic 500 ms, 1 sec, 2 secMenu Settings Table Continued GroupGroup Menu Settings Table ContinuedSettings Defaults are set in bold italic 32 Microline 490/491 User’s GuideMenu Settings Table Continued Ready on Power Up, Ready on SelectInvalid, Valid Settings Defaults are set in bold italicGroup Menu Settings Table ContinuedSettings Defaults are set in bold italic 34 Microline 490/491 User’s GuideAuto LF, Default = No Explanations of Menu ItemsAuto CR, Default =No Auto Feed XT, Default = InvalidSSD -9V, select SSD SSD +9V, select SSD+ DTR -9V, select DTR Selects the printer command set emulation you want to engage Wide carriage model only. Change to 13.6 to print on wide paper Choose the quality and typeface of printing Change to Double for double width and height printing 1 Make sure the printer is turned OFF Chapter 5 MaintenanceReplacing the Ribbon Cartridge The printhead may be HOT Do not remove the ribbon shield 1 from the ribbonMaintenance Loading PaperRear Feed Loading Rear Feed Paper from the Back of the Printer44 Microline 490/491 User’s Guide Careful3 Grasp the sheet guide. Lift it slightly, then slide it back 5 From the back of the printer, locate the tractors Note If the paper is too loose or too tight it can cause jams 8 Place continuous forms paper on the first two pins of either tractor13 Press FF/LOAD Loading Rear Feed Paper from the Front of the Printer 48 Microline 490/491 User’s GuideML490ML491 50 Microline 490/491 User’s Guide 9 Reinstall the sheet guideNote If the paper is too loose or too tight it can cause jams Maintenance 11 Press FF/LOADTop Feed Single Sheets If the 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 Make sure the printer is turned off before you open the access cover Clearing Paper JamsRear-Feed Paper Jams Rear-Feed, Repeating Paper Jams Make sure the printer is turned off before you open the access cover4 Remove any torn pieces of paper 5 Reinstall the pull-up roller assembly and close the access cover Single-Sheet Paper Jams3 Open the access cover 1 and remove the pull-up roller assembly Maintenance58 Microline 490/491 User’s Guide Cleaning the HousingMake sure the printer is turned off before you open the access cover override any settings in your printer driver Chapter 6 TroubleshootingNote Settings in your software application will normally General InformationSolution Problems / SolutionsProblem Nothing happens when I turn on the printerProblem The printer does not print when the computer sends dataSolutions ProblemProblem Ink smears on the paper when I print narrow columnsIve installed a new ribbon and the printing is smeared and streaked SolutionThe ALARM light is on and the Character Pitch 15 light is flashing The ALARM light is flashingThe ALARM light is on and the Character Pitch 10 light is flashing There are dots missing in my printoutsProblem The printer needs paper. The ALARM is not on. I can’t load paperContinuous-form paper sticks to the sheet guide SolutionAppendix A Parts & Accessories Purchasing Parts & AccessoriesAccess Cover Replacement PartsPower Cord Pull-Up Roller AssemblyPull Tractor, Top-Mount AccessoriesOption 70030501Epson LQ Commands Appendix B Printer Control CodesEpson LQ Commands Continued Epson LQ Commands Continued Epson LQ Commands Continued IBM Proprinter X24e / XL24e and IBM X24e AGM / XL24e AGM Commands IBM Commands continued IBM Commands Continued Print Method Appendix C SpecificationsNote Specifications are subject to change without notice PrintheadPrint Speed Graphics ResolutionEmulations co-resident Characters per Line cplResident Typefaces Resident FontsBar Codes SpecificationsSingle-part, continuous forms Paper Specifications ML490Single Cut Sheets Carbonless continuous forms orig. + 4 copiesPaper Specifications ML491 Environmental Requirements Physical SpecificationsNote Height dimensions do not include the acoustic cover Electrical RequirementsUnpack Appendix D InstallationLocation 82 Microline 490/491 User’s Guide 3 Remove the shipping restraint from the pull-up roller assembly2 Remove the printhead shipping restraint Installation The printhead may be HOT Install the Ribbon Cartridge1 Make sure the printer is turned OFF Do not remove the ribbon shield 1 from the ribbonParallel LPT IEEE Power ConnectionComputer Connections 1 Make sure both the printer and the computer are OFF86 Microline 490/491 User’s Guide USB Specification 1.1 CompliantLoading Paper Testing the Printer Font Sample TestRolling ASCII Test The printer prints the rolling ASCII text page after pageEmulations Printer DriversHexadecimal Dump Mode The Windows Add New Hardware Wizard window displays Using a Compatible DriverLoading the OKI Driver Index 92 Microline 490/491 User’s Guide Index 94 Microline 490/491 User’s Guide