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Warning
Classification
code
Wire
F21-01
• When SW1 (main switch) has been
cleaning
ON and PS41 (charging wire
abnormality
cleaning pad HP) has been OFF,
PS41 is not turned ON within 35
seconds of home position search
operation (forward) started by turning
ON of M23 (charger cleaning). At this
time, a trouble detection signal
(blown fuse) is not detected.
• PS41 is not turned OFF within 15
seconds after start of reversal
operation (return). At this time, a
trouble detection signal (blown fuse)
is not detected.
• PS42 (charging wire cleaning pad
limit) is not turned ON within 35
seconds after detection of turning
OFF of PS41 (charging wire cleaning
pad HP) at the star t of reversal
operation (return), or PS41 is not
turned ON within 35 seconds after
turning ON of PS42. At this time, a
trouble detection signal (blown fuse)
is not detected.
F21-02
• When SW1 (main switch) has been
ON and PS41 (charging wire
cleaning pad HP) has been OFF,
PS41 is not turned ON within 35
seconds of home position search
operation (forward) started by turning
ON of M23 (charger cleaning). At this
time, a trouble detection signal
(blown fuse) is detected.
• PS41 is not turned OFF within 15
seconds after start of reversal
operation (return). At this time, a
trouble detection signal (blown fuse)
is detected.
Operation in case of
Causes
warning occurrence
The machine stops
immediately and RL1
(main) is turned OFF.
4 - 47
ERROR CODE LIST
Estimated abnormal
parts
M23 (charger
cleaning)
DCDB (DC drive
board)
PRCB (printer
control board)
PS41 (charging
wire cleaning pad
HP)
PS42 (charging wire
cleaning pad limit)
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