Xerox Phaser 840, Руководство по обслуживанию

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Troubleshooting 3 - 95
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Table 3-13 Fuzzy Text
Step Question and Actions
1
Head-to-drum gap is too great. Verify the gap with the adjustment as explained
in the topic "Printhead-to-drum spacing adjustment (Phaser 840 Printer Only)"
on page 4-146.
2
Verify the drum temperature using diagnostics. Ensure the drum temperature
sensor is clean and properly positioned.
3
Refer to the topic "Evaluating the printhead and cap/wipe/purge system" on
page 3-106. A properly functioning printhead maintenance system is essential
for proper printhead operation.
4
Verify the operation of the Y-axis encoder using diagnostics. Replace the
encoder if needed.
5
If the problem persists, replace the printhead.
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