1. If the amount of
background shading becomes
unacceptable, the procedures below
may fix the problem.
Change to lighter weight paper.
2. heck the printer's environment
3. No charge voltage in the HVPS board.
1. very dry (low humidity) or high
humidity (higher than 80% RH)
conditions can increase the
amount of background shading.
2. Remove one of the old toner
cartridges and install a new one.
Clean the high voltage charge
terminal.
If the problem persists, replace the
HVPS board.
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