Panasonic Kx P8410 Operating Instructions Manual

121
Care and Maintenance
Caution:
BIf the fuser knob will not turn, do not force it, or you may damage the fuser.
Instead, follow these steps:
a) Unlock the fuser by turning the small green thumbscrew counterclockwise.
b) Pull the fuser out. The media will probably tear.
c) Remove the oil supply roll.
d) Turn the fuser’s large green knob to release the jammed media.
e) Remove the jammed media from the fuser and the printer.
Safety Caution:
BThe fuser is hot; to avoid personal injury, turn off the printer...

122
Care and Maintenance
nJam at E
Remove the jammed media from the output tray.
¾OR ¾
Pull open the access door (above the plastic output tray) and
remove the media.
Open and close the front door to clear the error message from the
LCD.1
2 

123
Care and Maintenance
nJam at MPT (Multi-purpose tray)
Remove the jammed media from the multi-purpose tray.
Open and close the front door to clear the error message from the
LCD.1
2 

124
READY indicator is
blinking.
The toner is almost
depleted.Read the printer panel
message to determine
the printer status.
Corrective ActionTrouble
ERROR indicator is
blinking.Wait for the job to be
completed or cancel the
job. The printer is receiving,
processing or printing
job.Possible Cause
Exit the Menu mode by
pressing the MENU/EXIT
button.
Correct the condition
displayed on the printer
panel (e.g., close the
door or clear the media
jam). Turn the printer off and
back on again. If the
indicator...

125
Check the density setting
by printing the Color
Calibration Page in the
Color Calibration menu
from the printer panel.
Compare the settings
with the color density
samples on the Color
Calibration Card and, if
necessary, adjust the
density from the printer
panel. Refer to Setting
the Color Density on
page 56.
Small white spots
appear on OHP
transparency.
Care and Maintenance
The toner cartridge is
almost depleted and is
not properly applying
toner.Replace the color toner
cartridge.
Trouble
The toner...

126
Run 20-30 prints. The
impression will disappear
with continued time and
use. On the Maintenance
Page, a single color
shows a light, repeating
horizontal line.The roller in the toner
cartridge has a slight
impression after a long
period of storage.
Care and Maintenance
The photosensitive belt
inside the imaging unit is
scratched.Replace the imaging unit. The imaging unit has
reached the end of its
useful life.
Corrective Action
On the Maintenance
Page, straight, thin light
vertical line in...

127
Care and Maintenance
Fingerprint(s) on the
underside belt or
photosensitive belt
(inside) of the imaging
unit.Print several pages until
the spots fade.
Trouble
Replace the imaging unit. The imaging unit is
damaged. On the Maintenance
Page, a single white spot
appears in
approximately the same
vertical place on the
page.Corrective ActionPossible Cause
On the Maintenance
Page, large light spot(s)
appear randomly.
The imaging unit is
scratched.Replace the imaging unit;
make sure that the old
imaging...

128
Care and Maintenance
Replace the fuser
(depending on your
quality needs, you can
continue to print until the
dark vertical lines
appear).
Corrective Action
Print 5-10 pages of blank
pages to clean the roller.
If you still see the
problem:
BReplace the oil supply
roll.
If you still see the
problem:
BReplace the fuser.
Replace the oil supply
roll. The fuser is near the end
of its useful life.
The oil supply roll has
reached the end of its
useful life. The surface of the
printed image appears to
have...

129
Care and Maintenance
TroubleCorrective ActionPossible Cause
Reinsert the imaging unit
to correct the contact for
the main charge grid. The entire page prints in
black, including the
borders.Bad electrical contact for
the main charge grid.
The main charge grid is
broken.Replace the imaging unit.
The transfer unit is worn
out.Replace the transfer unit. Toner spots appear on
the back of the media.
Dark and wavy vertical
streaks appear in all
colors.Replace the imaging unit. The main charge grid is...

130
Care and Maintenance
Service Error is
displayed on the LCD.An error occurred that is
not user-correctable.Turn the printer off and
back on again. If the error
persists, call for service.
TroubleCorrective Action
The problem could be
with one of the following:
BEngine control board.
BDeveloper voltage.
BLaser scanning unit
mirror.Possible Cause
Turn the printer off and
back on again. If the
problem persists, call for
service on your printer. The page is completely
blank.