Ricoh V-C3 D081, Field Service Manual, Page: 675 / 1092

SC446 D
ITB lift motor error
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
• ITB sensor defective
• ITB lift motor defective
SC447 D
Image transfer roller position error
The machine checks for the presence of the K STC and the checks the status of the K
image transfer roller lift sensor after the door is closed.
• Transfer belt release lever down
• Lift sensor connector loose, broken, dirty
• Lift sensor defective
SC450 D
Transfer power pack output error
An interrupt checks the status of the power pack every 2 ms. This SC is issued if the
VBCU detects a short in the power pack 250 times at T2 within 500 ms.
• Damaged insulation on the high-voltage supply cable
• Damaged insulation around the high-voltage power supply.
• Check SIOB harness connections
• SIOB defective
SC452 D
PTR lift mechanism error
The PTR was not detected at the home position within 2 sec. after the PTR lift motor
turned on.
• PTR HP sensor dirty, disconnected, defective
• PTR lift motor disconnected, defective
Service Call Tables
97
3