Panasonic KX-P8415 Maintenance Manual page 38

Settings and Printing
Trouble
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.
The page prints in black in the
image area only. (The borders
are clear.)
Maintenance
Possible Cause
The charge unit is dirty.
Bad electrical contact for the
charge unit.
The charge unit is broken.
The transfer unit is worn out.
Either the image processor
board or engine control board
is not functioning properly.
Specifications
Remove and reinsert the
charge unit.
Replace the charge unit.
Remove and reinsert the
charge unit.
Reinsert the color imaging unit
to correct the contact for the
charge unit.
Replace the charge unit.
Replace the transfer unit.
Turn the printer off and back
on again. If the problem
persists, call for service on
your printer.
Contents
Troubleshooting
Corrective Action
38