Lexmark E330 Service Manual - Page 98

Partial blank image/white spots no periodic pattern, Variation in image density horizontally across - drum

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4505 Partial blank image/white spots (no periodic pattern) FRU Toner cartridge (not a FRU) Paper (not a FRU) Action Remove the toner cartridge assembly and gently shake the assembly to evenly distribute the toner. If toner cartridge is low, try a new one. Make sure recommended paper is being used. Variation in image density horizontally across page FRU PC Kit (not a FRU) Transfer roll Action The charge roll may have an unbalanced pressure against the Photoconductor (PC) drum. Try a new PC Kit. Check the springs in the left and right transfer roll bearings. The bearing assemblies should support the transfer roll, applying even pressure to the PC drum. Replace the transfer roll assembly if the springs or bearing show signs of damage or fatigue. Inspect the transfer roll for signs of wear, damage or contamination. Replace as necessary. 2-70 Service Manual

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2-70
Service Manual
4505
Partial blank image/white spots (no periodic pattern)
Variation in image density horizontally across page
FRU
Action
Toner cartridge (not a FRU)
Remove the toner cartridge
assembly and gently shake the
assembly to evenly distribute the
toner.
If toner cartridge is low, try a new
one.
Paper (not a FRU)
Make sure recommended paper is
being used.
FRU
Action
PC Kit (not a FRU)
The charge roll may have an
unbalanced pressure against the
Photoconductor (PC) drum.
Try a new PC Kit.
Transfer roll
Check the springs in the left and
right transfer roll bearings. The
bearing assemblies should support
the transfer roll, applying even
pressure to the PC drum.
Replace the transfer roll assembly if
the springs or bearing show signs of
damage or fatigue.
Inspect the transfer roll for signs of
wear, damage or contamination.
Replace as necessary.