SERVICE CALL CONDITIONS April 2007 4-44
SC440 D
Image transfer power pack error 1: K
SC441 D
Image transfer power pack error 2: M
SC442 D
Image transfer power pack error 3: C
SC443 D
Image transfer power pack error 4: Y
An interrupt checks the status of
the power pack every 2 ms. This
SCis issued if the BICU detects a
short in the power pack for K, M,
C, or Y 250 times within 500 ms.
• Transfer belt damaged, insulation
damaged
• Insulation on high voltage cable
damaged
• Another hot point inside the machine has
damaged insulation
• Insulation around high-voltage power
supply damaged
• IOB damaged
Image transfer motor error SC445 D
The control board of the image
transfer motor generated signals
that indicate there is problem
with the image transfer motor.
• Image transfer motor defective
• ITB control board defective
• ITB overloaded
• Encoder strip on the front edge of the
belt damaged.
ITB lift motor error SC446 D
The state of the ITB lift sensor
does not change its state
(switching from OFF to ON or
vice versa), even after the ITB
lift motor starts rotating.
• ITB lift sensor dirty, disconnected,
defective
• ITB lift motor disconnected, defective
Transfer power pack output error SC450 D
An interrupt checks the status of
the power pack every 2 ms. This
SC is issued if the BICU detects
a short in the power pack 250
times at 2nd transfer output
within 500 ms.
• Damaged insulation on the high-voltage
supply cable
• Damaged insulation around the high-
voltage power supply.
PTR motor error SC455 D
The lock signal from the paper
transfer motor is not detected
within 1 sec. after the motor
switched ON.
• Motor disconnected
• PTR shaft locked, needs cleaning,
blocked by obstruction
• Drive shaft of the ITB locked and
overloaded, needs cleaning, or blocked
by obstruction
• DRB (motor drive board) disconnected,
defective