Intermec 6822 6820 Series 80-Column Printer User Manual (for printers purchase - Page 106
Possible Printer Problems continued
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Chapter 5 - Troubleshooting and Maintaining the 6820 Possible Printer Problems (continued) Symptom Test or Cause Printer works but some Gray ribbon cable connecting or all LEDs do not work. control panel board to pivot frame assembly is loose. Printer does not print. No voltage. No data input. Adjust supply voltage to 7.5 to 15 V. Solution Call Customer Support (800-755-5505) or send the printer in for repair. Voltage too high or low. Check line 13 on the self-test report, under the Battery Voltage heading No paper feed (paper jam or head jam) Tighten computer connections. Test: Pull paper toward roller. Cause: If paper is resistant: Paper tray too full. Torn paper perforation Paper wrinkled, creased, moist, or perforations missing. White ribbon cables obstructing paper. Head Jams due to carriage alignment. Check line 29 on self-test report, under Position heading, for value. Ensure fewer than 200 3-ply Remove torn paper, load and center sheets in the deep paper tray and new paper, readjust pinfeed holders. fewer than 50 3-ply sheets in the shallow paper tray. Replace the paper. Straighten the white ribbon cables. If "0," realign mechanism in pivot tray. No paper feed (paper jam or head jam). Move the printhead manually from side to side. Remove ribbon cartridge, move printhead. If smooth, ribbon is jammed. Remove ribbon cartridge, move printhead. If still resistant, mask spring is bent or damaged. 90 6820 Series 80-Column Printer User Manual