Oki 490 manual Safety

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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.

Read and follow all warning and instruction labels on the printer itself.

Place your printer on a firm, solid surface. If you put in on something unsteady, it might fall and be damaged.

Avoid overheating the printer. Do not place it on a soft surface, such as a rug, sofa, or bed. The vents may be blocked, causing the printer to overheat.

The printer must be installed near a power outlet which will remain easily accessible.

Be certain that your power source matches the rating listed on the back of the printer. If you aren’t sure, check with your dealer or with your local power company.

Your printer has a grounded, 3-prong plug as a safety feature. It will only fit into a grounded outlet. If you can not plug it in, chances are that you have an older, non-grounded outlet. Contact an electrician to have it replaced with a grounded outlet. Do not use an adapter to defeat the grounding.

To avoid damaging the power cord, do not put anything on it or place it where it will be walked on. If the cord becomes damaged or frayed, replace it immediately.

If you’re using an extension cord or power strip with the printer, make sure that the total of the amperes required by all the equipment on the extension is less than the extension’s rating. Generally, the total ratings of all equipment plugged into any one power line should not exceed 15 amperes. Don’t exceed this unless you know that the power line your equipment is plugged into has a rating above 15 amperes.

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Contents User’s Guide Mailing Address Safety Microline 490/491 User’s Guide Contents Troubleshooting Printer Features IntroductionOki Data on the Internet Internet Support Helpful HintsSaving Money Forms Tear-Off Saving TimeTurning the Platen Knob Controlling Access to the PrinterOperation Tips Top of Form TOFParts 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 FeatureChanging the Forms Tear-Off Setting Paper ParkManual Forms Tear Off Continuous Forms toSingle Sheets Changing Paper PathsSingle Sheets toContinuous Forms Printhead Gap Print Quality Typefaces LQ Mode Character Pitch Printer Reset EmulationsChanging Emulations Menu Mode Keys Menu ModeEntering and Exiting Menu Mode Resetting the Menu to the Factory DefaultsPrinting the Menu Settings 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 Characters per Line cpl Graphics ResolutionEmulations co-resident Print SpeedResident Fonts Bar CodesResident Typefaces Paper Specifications ML490 Paper Specifications ML491 Physical Specifications Environmental RequirementsElectrical Requirements Appendix D Installation LocationUnpack Microline 490/491 User’s Guide Installation Install the Ribbon Cartridge Power Connection Computer ConnectionsParallel LPT Ieee 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