Konica Minolta bizhub PRO 1050 Service Manual page 610

Field Service Ver3.0 Nov.2006
Classification Code
Process SC29-05 The gamma sensor output abnor-
abnor-
mality
SC29-06 The gamma correction data is
SC29-07 The dirt correction of the sensor is
SC29-08 Correction abnormality. While in
SC29-09 Drum potential sensor (DPS) out-
Causes
mality. While in the gamma correc-
tion, a patch for control is not
output. (No output is made from
the gamma sensor.)
defective. The gamma correction
output is abnormal. A regression
error when carrying out a gamma
curve operation while in the
gamma correction.
not completed. While in the dot
diameter correction, the dirt cor-
rection of the gamma sensor is
not sufficient. When gamma sen-
sor less than the specified value is
detected five times in succession,
this error code is displayed.
the dot diameter correction, the
correction is terminated with an
abnormal value.
put abnormality. While in the 0V
check of the DPS, more than
100V of the drum surface potential
is detected more than 5 times.
When the error code is detected 5
times in succession, this error
code is displayed.
14. MALFUNCTION CODE
Resulting Estimated abnormal parts
operation
Error code is not Toner control sensor board
displayed on the (TCSB)
operation panel, Write unit
but displayed only Image processing board
on the data collec- (IPB)
tion, the list output Overall control board
and the CSRC. (OACB)
The control of the
Image processing board
main body is
(IPB)
made by using a
Printer control board (PRCB)
data previously
obtained.
The main body Toner control sensor board
stops immediately (TCSB) (gamma sensor
to turn OFF the cleaning required)
RL1 (main).
Error code is not Image processing board
displayed on the (IPB)
operation panel, Printer control board (PRCB)
but displayed only
on the data collec-
tion, the list output
and the CSRC.
The control of the
main body is
made by using a
data previously
obtained.
The main body Drum potential sensor (DPS)
stops immediately Printer control board (PRCB)
to turn OFF the
RL1 (main).
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