Service manual

ELECTRIC PARTS LIST
4-41
3 DIS./ASSEMBLY
4 ELECTRIC PARTS LIST
Main body
Image con-
trol abnor-
mality
F46-43 Hard disk access failure
Hard disk failure or poor connec-
tion of connectors
The machine stops
immediately and RL1
(main) turns OFF.
ICB (image control board)
ICB program
HDD (hard disk drive)
F46-50 Communication error is detected
during the tandem operation.
ICB (image control board)
ICB program
Around the tandem cable
F46-51 An error is detected during the data
transfer of tandem image.
F46-60 Adjustment of the sub-scan beam
interval is not completed within the
specified number of time for the fol-
lowing reason:
• Defective index sensor
• Abnormal 12 VDC power supply
• M15 (polygon) driving failure
Error code is not dis-
played on the opera-
tion panel. It is
displayed only in data
collection.
Write section
F46-61 Scanning started before comple-
tion of original auto skew correc-
tion. (Skew correction was not in
time).
PRCB (printer control
board)
PS311 (original mis-center-
ing /F)
PS311 (original mis-center-
ing /R)
F46-62 Printing started before correction
of auto paper mis-centering. (Mis-
centering correction was not in
time).
PS1 (paper mis-centering
detection PS)
F46-63 AGC was retried because of reduc-
tion in exposure lamp intensity, but
no error occurred.
L1 (exposure lamp)
F46-64 The PWM
γ
curve could not be gen-
erated properly.
TCSB (toner control sensor
board)
E46-80 The message queue was insuffi-
cient or destroyed.
If copy operation is
being performed, the
machine stops after
paper ejection.
RL1 (main) is turned
OFF.
ICB (image control board)
E46-81 The parameter value is too large.
E46-82 The ID of message queue source
task is undefined.
ICB (image control board)
Expansion memory contact
failure
E46-83 The message reception event is
undefined.
E46-90 The access to the memory is ille-
gal.
ICB (image control board)
Expansion memory
Classification
Warning
Code
Cause Machine response
Estimated
abnormal parts