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C7350/7550 User’s Guide: Troubleshooting • 506
Troubleshooting
Messages on Control (Front) Panel Display
The control (front) panel has a liquid crystal display (LCD).
The display indicates the printer status and if there is a problem
with the printer.
The messages (status and error) are listed below, together with an
explanation of what each message means:
List of Messages
The messages are listed in alphabetical order.
Display Message Meaning
1
***** DRUM NEAR LIFE
An image drum is nearing the end of its
life.
(***** indicates color)
2
***** EMPTY
Warning that Tray ***** is empty.
MP Tray is Tray 0.
3
***** NEAR END
The paper in the selected ***** is nearly
finished.
(***** indicates paper tray).
4
***** TONER LOW
Toner is low (***** indicates color).
5
***** TONER SENSOR
ERROR
Error with the toner sensor (*****
indicates color).
Call for service.
6
BELT UNIT MISSING
Transfer belt unit is missing.
7
CANCELLING JOB
Cancelling the current job.
8
CENTRO I/F ERROR
Centronics interface error (parallel
interface).
9
CHANGE ***** IMAGE DRUM
Change the image drum (***** indicates
color).
10
CHANGE BELT UNIT
Change the transfer belt.
11
CHANGE FUSER UNIT
Change the fuser unit.
12
CHANGE PAPER TO *****
Paper must be changed to correct paper
size and/or media type.
(***** indicates size or media type).
13
CHECK *****
Check Tray ***** for paper jam.
MP tray is Tray 0.