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Warning
Classification
code
Wire
F21-05
• When SW1 (main switch) has been
cleaning
ON and PS11 (transfer/separation
abnormality
wire cleaning pad HP) has been OFF ,
PS11 is not turned ON within 40
seconds of home position search
operation (return) started by turning
ON of M18 (transfer/separation
cleaning). At this time, a trouble
detection signal (blown fuse) is
detected.
• PS11 is not turned OFF within 15
seconds after start of reversal
operation (return). At this time, a
trouble detection signal (blown fuse)
is detected.
• PS12 (transfer/separation wire
cleaning pad limit) is not turned ON
within 40 seconds after detection of
tur ning OFF of PS11 (transfer/
separation wire cleaning pad HP) at
the star t of reversal operation
(return), or PS11 is not turned ON
within 40 seconds after turning ON
of PS12. At this time, a trouble
detection signal (blown fuse) is
detected.
F21-06
A motor lock signal is detected during
movement from the PS12 (transfer/
separation wire cleaning pad limit)
side to the PS11 (transfer/separation
wire cleaning pad HP) side. After
retry, the fifth motor lock signal is
detected.
Motor
F23-01
A trouble detection signal is detected
abnormality
two consecutive times (the first signal
is ignored) in 7 seconds after turning
ON of M15 (toner supply 2).
F23-02
Because a trouble detection signal
had been detected one second after
turning ON of M3 (developing), M3
was turned OFF for 0.5 second and
ON again. One second later, a
trouble detection signal was detected
again.
Operation in case of
Causes
warning occurrence
The machine stops
immediately and
RL1 (main) is turned
OFF.
4 - 49
ERROR CODE LIST
Estimated abnormal
parts
M18 (transfer/sepa-
ration cleaning)
ADUSDB (ADU
stand drive board)
PS11 (transfer/
separation wire
cleaning pad HP)
PS12 (transfer/
separation wire
cleaning pad limit)
M18 (transfer/sepa-
ration cleaning)
ADUSDB (ADU
stand drive board)
PS11 (transfer/
separation wire
cleaning pad HP)
PS12 (transfer/
separation wire
cleaning pad limit)
M15 (toner supply 2)
PRCB (printer
control board)
M3 (developing)
PRCB (printer
control board)
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