Panasonic Color Laser Printer Kx P8410 Operating Instructions

121
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 its
useful life.
The oil supply roll has
reached its useful life. The surface of the
printed image appears to
have vertical scratches...

122
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...

123
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. 

124
Care and Maintenance
If the communication link between your computer and
the printer is working but the printer ejects a blank page
when printing from your application or through Windows.
Make sure that the appropriate driver is installed and that
you have selected the printer correctly.
Corrective Action
Make sure that you plugged in the printer and turned it on. Printer not operating.Trouble
Make sure that you connected the interface cable(s)
properly.
More info to come for
these messages.
nIf you...

125
Make sure that the media thickness switch is set
correctly for the installed media( +P. 29). Make sure that you use a high-quality laser paper: 
60-105 g/m
2(16-28 lbs.) paper in the media trays and 
75-165 g/m2(20-44 lbs.) paper in the multi-purpose tray.
Use only recommended transparencies( +P. 157). 
We cannot guarantee the results of other transparencies.
TroubleCorrective Action
Frequent media jams.
Care and Maintenance
Fan the paper or transparencies before installing them in
their respective...

126
When using the multi-purpose tray, make sure that you
have selected the correct media type in the driver or in
the Menu mode of the printer panel. Print the Color Calibration Page from the Color
Calibration menu in the printer panel. Check the density
settings for each color and compare them to the
examples on the Color Density Samples. Refer to Setting
the Color Density on page 54for instructions on
comparing and setting color density.
Make sure that the imaging unit stays covered until
immediately...

127
Care and Maintenance
SCSI
If trouble occurs when printing using SCSI, confirm that the ASPI Manager is
installed. If the ASPI Manager is not installed, you must install it. It is assumed that
the Adaptec SCSI host adapter is installed.
nWindows 3.1 users
Confirm that the SCSI host adapter is installed in your PC
correctly.
In CONFIG.SYS file, check the following setting. 
DEVICE = ASPInDOS.SYS (n = 2, 4, 8 etc.)
If this setting does not exist in CONFIG.SYS, reinstall SCSI driver
using EZ-SCSI (refer...

128
nWindows 95 users
Confirm that the SCSI host adapter is installed in your PC
correctly.
Click  Startand select Settings, then click Control Panel.
Double-click the Systemicon from the Control Panel.
Click Device Managertab.
If the SCSI host adapter does not exist or displayed with the
exclamation mark !, SCSI driver is not installed correctly. Reinstall
the SCSI driver (refer to SCSI host adapter users manual).
If the SCSI driver is installed correctly, confirm that the printer is
recognized by the...

129
Care and Maintenance
nWindows NT 4.0 users
Confirm that the SCSI host adapter is installed in your PC
correctly.
Click Startand select Settings, then click Control Panel.
Double-click the 
SCSI Adapters 
icon from the Control Panel.
If the SCSI host adapter does not exist, SCSI driver is not
installed correctly. Reinstall the SCSI driver (refer to SCSI host
adapter users manual).
If the SCSI driver is installed correctly, confirm that the printer is
recognized by PC using SCSI utility in EZ-SCSI...

130
Refer to page 116to
clear the jam.
Care and Maintenance
Error Messages
Corrective ActionError Message
Install the paper feeder. Close the optional
cassette side door. Refer to page 106to
clear the jam.Possible Cause
Jam at A
See front door labelA jam has occurred in
the media feed area.
Refer to page 109to
clear the jam.
Refer to page 113to
clear the jam.
Refer to page 115to
clear the jam.
Close the front or right
side door.
Close the left side door.
Close the left side door.
Install the imaging...