EN Image defect details 181
9
• Use paper with lower resistivity.
• Make sure the humidity and temperature are within specifications.
• Do not use Automatic Duplex mode. Duplex manually or not at all.
• Check for a defective light pipe sensor. If defective, replace the
toner level sensor.
• Remove the toner cartridge and manually check the level of toner in
the toner cartridge.
The imaging drum might have been exposed to light. Symptoms of
sunburn are streaked or blurred lines across the length of the page
(side-to-side on portrait, or top-to-bottom on landscape).
• Print 50 to 100 pages on the imaging drum to remove the sunburn.
• If sunburn symptoms are still occurring, allow the imaging drum to
sit in a dark place for 2 to 3 days.
• If sunburn is severe (the symptoms don’t go away), replace the
imaging drum.
CAUTION
Do not expose the drum to light for more than 15 seconds. The drum
is light sensitive, and exposure to light can cause permanent damage.
Sharkskin (rough, mottled printing)
Single color missing
Sunburn
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