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A serviceman call is displayed if a serious unrecoverable error occurs and serviceman
maintenance is required. If a serviceman call is displayed, switch the printer OFF, and take
appropriate action. Serviceman call codes are classified by the number field code number. and
the error contents are indicated by a detailed number. The calls are classified by code number
as follows:
Code number Locatio_n Lcags&
5F
6F
8F
AF
The serviceman call with code number AF is displayed if the software in the video controller is
erroneous, so its cause cannot be identified easily. If this call occurs. turn the power OFF and
ON again. If the call occurs again. report the code number, detailed number, and detail of the
error occurrence to the service departments of Canon sales companies.
a. Printer engine serviceman call
5F-50 SERVICE
I
SERVICE
5F-51
53-52 SERVICE
53-54 SERVICE
5F-5F SERVICE
Printer engine
Video controller PCB
Communication between the DC controller and video controller
Software in video controller
1 . E iwing
unit failure
1
Reference
:
If this error occurs, turn the the printer for 10 minuets.
power OFF. leave the printer for about
, 10 minutes, then turn the power ON
~
again. If the power is turned ON again
before 10 minutes is up, the printer
displays this message and interrupts the described in Section V of
power to the fixing unit Lo prevent
overheating of the unit even if the fiing
unit functions normally.
:
BD failure
Since the laser beam intensity has
I
decreased or the optional system has
/
failed, the horizontal synchronizing
signal (/BD) cannot be sent from the DC
contrller to the video controller.
Scanner failure
The scanner motor does not run at the
specified speed.
Main motor failure
The main motor does not run at the
specified speed.
Printer power off
The/PPRDY signal of the video interface
is not true.
CHAPTER 2
Turn the power OFF. leave
then turn the power ON
again. If the error is
dfsplayed again, perform the
troubleshooting procedure
Chapter 6.
Perform the troubleshooting
procedure described in
Section V of Chapter 6.
Perform the troubleshooting
procedure described In
Section V of Chapter 6.
Perform the troubleshooting
procedure described in
Section V of Chapter 6.
Check whether video
interface connector 5207
(Jll is making proper
contact.
2 -51
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