Panasonic KX-PS8000 Operating Instructions Manual page 120

Care and Maintenance
120
Trouble
Light vertical streaks
appear in all colors.
Dark and wavy vertical
streaks appear in all
colors.
The entire page prints in
black, including the
borders.
Toner spots appear on
the back of the media.
Possible Cause
The main charge grid is
dirty.
The main charge grid is
dirty.
Bad electrical contact for
the main charge grid.
The main charge grid is
broken.
The transfer unit is worn
out.
Corrective Action
Replace the imaging unit.
Replace the imaging unit.
Reinsert the imaging unit
to correct the contact for
the main charge grid.
Replace the imaging unit.
Replace the transfer unit.