S
OLVING

P

ROBLEMS

7.26

Understanding Display Messages

Messages appear on the display on the control panel to indicate

the printer’s status or errors. Refer to the tables below to

understand the message’s meaning and correct the problem if

necessary. Messages and their meanings are listed in

alphabetical order.

NOTE
: When you call for service, it is very helpful to tell the
service
representative
the display message.
Message Status Do this...
ADC Not
Confirm Error A problem has occurred
in the ADC in the printer. Contact a service representative.
Cover Open The top cover is open. Close the top cover firmly.
CTD Calibration
Error The CTD sensor is
polluted by dust or
toner.
Contact a service representative.
Dev. Motor
Error A problem has occurred
in the development
motor of the printer.
Unplug the power cord and plug it
in again. If the problem persists,
please call for service.
Engine Fuser
Low Heat Error The fuser temperature is
abnormally low. Unplug the power cord and plug it
in again. If the problem persists,
please call for service.
Engine Fuser
Over Heat Error The fuser temperature is
abnormally high. Unplug the power cord and plug it
in again. If the problem persists,
please call for service.
Engine LSU
Error A problem has occurred
in the LSU (Laser
Scanning Unit) in the
printer.
Unplug the power cord and plug it
in again. If the problem persists,
please call for service.
Install
[Color] Toner The indicated color toner
cartridge is not installed
in the printer.
Install the corresponding color
toner cartridge.
Install
Imaging Unit The imaging unit is not
installed in the printer. Install the imaging unit.
Install
Transfer Belt The transfer belt is not
installed in the printer. Install the transfer belt.