Oki manual Microline 490/491 User’s Guide

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4Remove any torn pieces of paper.

5Fold some continuous-form paper over three times to make a page four sheets thick. Then, load it on the tractors and close and lock the covers.

6Use the platen knob to draw the quadruple-thick page around the platen. This brings out jammed pieces of paper.

7Remove the paper pieces. Then, use the platen knob to back the paper out.

8Load regular paper, close and lock the tractor covers.

9Install the sheet guide, then install the pull-up roller assembly and close the access cover.

10Turn the printer on and press FF/LOAD.

56Microline 490/491 User’s Guide

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Contents User’s Guide Mailing Address Safety Microline 490/491 User’s Guide Contents Troubleshooting Oki Data on the Internet Printer FeaturesIntroduction Helpful Hints Saving Money Forms Tear-OffSaving Time Internet SupportControlling Access to the Printer Operation TipsTop of Form TOF Turning the Platen KnobUsing Your Printer Parts Identification Rear Feed Continuous FormsParts Identification Top Feed Single Sheets Top of Form TOF Top of Form TOF and Forms Tear-OffDetermining if Forms Tear-Off is Off or On Setting Top of Form TOF Forms Tear-Off OFF Default SettingForms Tear-Off Set to on Resetting Top of Form to the Factory Default Temporarily Changing the Top of Form PositionForms Tear-Off Feature Potential Problems with Software PackagesManual Forms Tear Off Changing the Forms Tear-Off SettingPaper Park Changing Paper Paths Continuous Forms toSingle SheetsSingle Sheets toContinuous Forms Printhead Gap Print Quality Typefaces LQ Mode Character Pitch Changing Emulations Printer ResetEmulations Menu Mode Menu Mode KeysPrinting the Menu Settings Entering and Exiting Menu ModeResetting the Menu to the Factory Defaults Changing the Menu Settings Menu Settings Table Group Settings Defaults are set in bold italic13.6 500 ms, 1 sec, 2 sec DEFAULT, Mode 1, Mode Invalid, Valid Menu Settings Table Explanations of Menu Items Use this to switch character sets to IBM Set Selects the printer command set emulation you want to engage Sets the signal on pin 18 to +5 volts or open Choose the quality and typeface of printing Change to Double for double width and height printing Maintenance Replacing the Ribbon CartridgePrinthead may be HOT Loading Paper Rear FeedCareful Open the tractor covers Microline 490/491 User’s Guide Maintenance Loading Rear Feed Paper from the Front of the Printer ML490ML491 Microline 490/491 User’s Guide Maintenance Top Feed Single Sheets Maintenance Clearing Paper Jams Rear-Feed Paper JamsRear-Feed, Repeating Paper Jams Microline 490/491 User’s Guide Single-Sheet Paper Jams Cleaning the Housing Troubleshooting General InformationProblems / Solutions SolutionSolutions Ink smears on the paper when I print narrow columns There are dots missing in my printouts Printer needs paper. The Alarm is not on. I can’t load paper Appendix a Parts & Accessories Purchasing Parts & AccessoriesReplacement Parts Part NumberAccessories Option Part NumberEpson LQ Commands Appendix B Printer Control CodesDEL Enabled On DC3 Carriage Return Character Pitch, Select 10 cpi IBM Commands ESC % HESC Q $ Appendix C Specifications Graphics Resolution Emulations co-residentPrint Speed Characters per Line cplResident Typefaces Resident FontsBar Codes Paper Specifications ML490 Paper Specifications ML491 Electrical Requirements Physical SpecificationsEnvironmental Requirements Unpack Appendix D InstallationLocation Microline 490/491 User’s Guide Installation Install the Ribbon Cartridge Parallel LPT Ieee Power ConnectionComputer Connections USB Specification 1.1 Compliant Testing the Printer Font Sample TestRolling Ascii Test Hexadecimal Dump Mode Printer DriversUsing a Compatible Driver Loading the OKI DriverIndex IBM Index Tear