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ERROR CODE AND SELF-DIAGNOSTIC MODE
2 - 13
2
CEA0 Copy process related
service call
Revolver home position detection abnormality: It
cannot detect that the revolver is at its home posi-
tion.
P. 5 - 9 0
CEB0 Black developer unit lifting movement abnormality:
The black developer unit does not move up or down
normally (lifting cam does not operate normally).
P. 5 - 9 1
CEC0 Copy process related
service call
2nd transfer roller position detection abnormality:
The 2nd transfer roller does not contact/release
normally.
P. 5 - 9 2
CEE0 Transfer belt position detection abnormality (normal
speed): The home position of the transfer belt can-
not be detected.
P. 5 - 9 3
CEE1 Transfer belt position detection abnormality (when
decelerating): Reference position of the transfer
belt cannot be detected.
P. 5 - 9 3
CEF0 Revolver motor abnormality: Revolver motor is not
rotating or revolver is not moving normally.
P. 5 - 9 3
CF10 Finisher related ser-
vice call
Undefined error code processing: If the engine of
the equipment judges that a code (command) other
than the defined error codes is sent from the fin-
isher, it regards this as a CF10 error.
[MJ-1022/1023/1024]
Communication module SRAM writing failure.
[MJ-1101]
P. 5 - 8 5
CF20 Toner density control
related service call
Toner density detection voltage abnormality: The
output value of the color auto-toner sensor in print-
ing is out of a specified range.
P. 5 - 9 4
CF30 Reference plate detection voltage abnormality: The
output value of the color auto-toner sensor against
the reference plate is out of a specified range at the
light amount correction during an auto-toner adjust-
ment or when a print job has finished.
P. 5 - 9 5
CF40 Light amount correction voltage abnormality: The
light amount correction is not finished normally dur-
ing an auto-toner adjustment or when a print job
has finished, or the output value of the sensor is out
of a specified range when the light amount correc-
tion has finished.
P. 5 - 9 6
CF50 Color auto-toner sensor abnormality: The connec-
tion of the color auto-toner sensor cannot be
detected at the initialization, or the output value of
color auto-toner sensor when the revolver starts
rotating for initialization is out of a specified range.
P. 5 - 9 7
F070 Communication
related service call
Communication error between System-CPU and
Engine-CPU
P. 5 - 6 3
F090 Circuit related service
call
SRAM abnormality on the SYS board P. 5-65
F091 NVRAM abnormality on the SYS board P. 5-65
F092 SRAM and NVRAM abnormality on the SYS board P. 5-65
Error code Classification Contents Troubleshooting
05/11
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