Oki B4100 Maintenance Manual
Also see for B4100: Warranty and legal guideInstallation instructionsBrochure & specsUser guideUser manual
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Contents
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42640901TH Rev.1 59 /Oki Data CONFIDENTIAL1 Images are light or blurred entirely.• Is toner low (is the TONER LOW message displayed)?• Yes Supply toner.• No Is paper of the specified grade being used?• No Use paper of the specified grade.• Yes Is the lens surface of the LED head dirty?• Yes Clean the lens.• No Is the LED head being installed properly (check theHEAD connector of the main control board and PCconnector on the LED head for proper connection)?• No Install the LED head properly.• Yes Is the contact plate of the transfer roller in contact with thecontact assembly of the power supply/sensor board prop-erly (see Figure 5-5)?• No Adjust the contact plate of the transfer roller to make a proper contact with the highvoltage/sensor board and shaft of the transfer roller.• Yes Are the contact of the developing roller and the contact of the toner supply roller of the imagedrum cartrige in contact with the contact assembly properly (see Figure 5-4 A and B )?• No Adjust the contacts of the developing and toner supply roller to make a proper contactwith the contact assembly.• Yes Replace the transfer roller.• Has the problem been solved?• Yes End• No Replace the image drum cartridge.• Has the problem been solved?• Yes EndNote: After replacing the image drum cartridge, reset the drum counter (see User'sManual).• No Is the tension between the back-up roller (7.52kg) and the surface of back-up roller normal?• No Replace the back-up roller or bias spring.• Yes Replace the main control board or high voltage/sensor board.PC connectorLED head cableHEAD Main control boardLED head |
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