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Care and Maintenance
Trouble Possible Cause Corrective Action
Straight, thin light
vertical line in colours.
The photosensitive belt
inside the imaging unit is
scratched.
Replace the imaging unit.
Each colour “bleeds” into
the colour band.
The imaging unit’s internal
waste toner box is full.
Replace the imaging unit.
A single white spot
appears in approximate-
ly the same vertical
place on the page.
The imaging unit is dam-
aged.
Replace the imaging unit.
Large light spot(s)
appear randomly.
Fingerprint(s) on the under-
side belt or photosensitive
belt (inside) of the imaging
unit.
Print several pages until the
spots fade.