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ERROR CODE LIST
Warning
Classification
code
High voltage
F28-04
power
supply
abnormality
Process
F29-01
abnormality
F29-02
F29-03
F29-04
F29-05
F29-06
F29-07
F29-08
F29-09
Causes
An HV2 (high voltage unit 2) trouble
detection signal (blown 24V fuse) is
detected.
The Dmax sensor is dirty during
Dmax correction. If this trouble is
detected ten successive times, the
corresponding ser vice code is
displayed.
The rotation speed of the developing
sleeve reached the maximum value
during Dmax correction.
The control patch is not output during
Dmax correction.
(No output from the Dmax sensor)
The
sensor is dir ty during
correction. If E29-4 or E29-7 is
detected ten successive times, the
corresponding error code is displayed.
The control patch is not output
during
correction.
(No output from the sensor)
A regression error occurred when
the
curve was obtained for
correction.
The sensor is dirty during dot dia-
meter correction. If E29-4 or E29-7
is detected ten successive times,
the corresponding error code is dis-
played.
Dot diameter correction ended with
an abnormal value.
A drum surface potential of over
100V was detected 5 or more times
when a 0V check was performed
by drum potential sensor. If this
trouble is detected five successive
times, the corresponding error code
is displayed.
4 - 52
Operation in case of
Estimated abnormal
warning occurrence
The machine stops
HV2 (high voltage
immediately and RL1
unit 2)
(main) is turned OFF.
The main body stops
TCSB (toner
immediately and RL1
control sensor
board)
(main) is turned OFF.
PRCB (printer
control board)
Error code is not dis-
played on operation
panel. It is displayed
only on data collec-
tion, list output. Main
body control is per-
formed using previ-
ous data.
The main body stops
immediately and RL1
(main) is turned OFF.
Error code is not dis-
played on operation
panel. It is displayed
only on data collec-
tion, list output. Main
body control is per-
formed using previ-
ous data.
The main body stops
immediately and RL1
(main) is turned OFF.
Error code is not dis-
played on operation
panel. It is displayed
only on data collec-
tion, list output. Main
body control is per-
formed using previ-
ous data.
The main body stops
DPSB (drum
immediately and RL1
potential sensor
(main) is turn OFF.
board)
PRCB (printer
control board)
parts
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