Panasonic KX-P8420 Operating Instructions Manual page 173

Trouble
The page is completely
blank.
Service Error is
displayed on the LCD.
If you can't make a print:
Trouble
Printer not operating.
More info to come for
these messages.
Trouble
The setting for printing
is not effective.
Care and Maintenance
Possible Cause
The problem could be
with one of the
following:
• Engine control
board.
• Developer voltage.
• Laser scanning unit
mirror.
An error occurred that
is not user-
correctable.
Corrective Action
Make sure that you plugged in the printer and
turned it on.
Make sure that you connected the interface
cable(s) properly.
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.
Possible Cause
Some applications
may not allow you to
change the settings
through the
KX-P8420 printer
driver's setting
window.
Corrective Action
Turn the printer off
and back on again. If
the problem persists,
call for service on
your printer.
Turn the printer off
and back on again. If
the error persists, call
for service.
Corrective Action
Change the
application's settings.
173