Oki 490 manual Contents

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Contents
Safety	3
Chapter 1: Introduction	7
Printer Features	7
Chapter 2: Helpful Hints	8
Saving Money: Forms Tear-Off	8
Saving Time	8
Internet Support	8
Paper Park	8
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)	12
Top of Form (TOF) and Forms Tear-Off	12
Determining if Forms Tear-Off is Off or On	13
Setting Top of Form (TOF):

Forms Tear-Off OFF (Default Setting)	14
Setting Top of Form (TOF):
Forms Tear-Off Set to ON	15
Temporarily Changing the Top of Form Position	16
Resetting Top of Form to the Factory Default	16
Forms Tear-Off Feature	17
Potential Problems with Software Packages	17
Changing the Forms Tear-Off Setting	18
Manual Forms Tear Off	18
Paper Park	18
Changing Paper Paths	19
Continuous Forms to Single Sheets	19
Single Sheets to Continuous Forms	20
Printhead Gap	21
Print Quality	22
Typefaces: LQ Mode	23
Character Pitch	24
Printer Reset	25
Emulations	25

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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 Saving Money Forms Tear-Off Helpful HintsSaving Time Internet SupportOperation Tips Controlling Access to the PrinterTop of Form TOF Turning the Platen KnobParts Identification Rear Feed Continuous Forms Using Your PrinterParts Identification Top Feed Single Sheets Top of Form TOF and Forms Tear-Off Top of Form TOFDetermining if Forms Tear-Off is Off or On Forms Tear-Off OFF Default Setting Setting Top of Form TOFForms Tear-Off Set to on Temporarily Changing the Top of Form Position Resetting Top of Form to the Factory DefaultPotential Problems with Software Packages Forms Tear-Off FeatureManual Forms Tear Off Changing the Forms Tear-Off SettingPaper Park Continuous Forms toSingle Sheets Changing Paper PathsSingle Sheets toContinuous Forms Printhead Gap Print Quality Typefaces LQ Mode Character Pitch Changing Emulations Printer ResetEmulations Menu Mode Keys Menu ModePrinting the Menu Settings Entering and Exiting Menu ModeResetting the Menu to the Factory Defaults Changing the Menu Settings Group Settings Defaults are set in bold italic Menu Settings Table13.6 500 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 Replacing the Ribbon Cartridge MaintenancePrinthead may be HOT Rear Feed Loading PaperCareful 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 Rear-Feed Paper Jams Clearing Paper JamsRear-Feed, Repeating Paper Jams Microline 490/491 User’s Guide Single-Sheet Paper Jams Cleaning the Housing General Information TroubleshootingSolution Problems / SolutionsSolutions 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 Purchasing Parts & Accessories Appendix a Parts & AccessoriesPart Number Replacement PartsOption Part Number AccessoriesAppendix B Printer Control Codes Epson LQ CommandsDEL Enabled On DC3 Carriage Return Character Pitch, Select 10 cpi ESC % H IBM CommandsESC Q $ Appendix C Specifications Emulations co-resident Graphics ResolutionPrint 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 Font Sample Test Testing the PrinterRolling Ascii Test Printer Drivers Hexadecimal Dump ModeLoading the OKI Driver Using a Compatible DriverIndex IBM Index Tear