• Code: SC446
• Description: 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.
• Remedy: • ITB lift sensor dirty, disconnected, defective • ITB lift motor disconnected, defective

• Code: SC450
• Description: Transfer power pack output error 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.
• Remedy: • Damaged insulation on the high-voltage supply cable • Damaged insulation around the highvoltage power supply.

• Code: SC455
• Description: PTR motor error The lock signal from the paper transfer motor is not detected within 1 sec. after the motor switched ON.
• Remedy: • 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

• Code: SC460
• Description: Separation power pack output error 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 D(AC) within 500 ms.
• Remedy: • Damaged insulation on the high-voltage supply cable • Damaged insulation around the highvoltage power supply. 1. Replace the high-voltage supply cable. 2. Replace the high-voltage power supply unit. 3. Replace the IOB.

• Code: SC484
• Description: Waste toner bottle full The toner full sensor goes HIGH for more than 500 ms, indicating that the waste toner bottle is full.
• Remedy: • Remove waste toner bottle, empty it

• Code: SC485
• Description: Waste toner transport motor error The lock signal of the waste toner transport motor remains HIGH for more than 600 ms.
• Remedy: • Waste toner transport motor defective

• Code: SC487
• Description: Waste toner bottle set error The set sensor of the waste toner bottle remains LOW for more than 500 ms. (The sensor goes HIGH when the bottle is installed correctly.)
• Remedy: • Install the waste toner bottle • Remove waste toner bottle and reinstall correctly

• Code: SC488
• Description: Waste toner transport lock Waste toner cannot be transported to the waste toner bottle.
• Remedy: • Blockage in the line to the waste toner bottle