• Code: 559
• Description: Fusing jam: 3 counts
  At the fusing exit sensor the paper was detected late for three pulse counts (lag error), and SP1159 was on.
• Causes: • If this SC occurs, the machine cannot be used until the service technician cancels the SC code. • This SC occurs only if SP1159 has been set to "1" (On). (Default: 0 (Off)).
• Remedy:

• Code: 569
• Description: Fusing pressure release motor error
  During copying, the HP sensor could not detect the actuator, tried again 3 times and could not detect.
• Causes: • Motor lock because of too much load • Motor driver defective • HP sensor defective, disconnected, connector defective, harness damaged
• Remedy:

• Code: 590
• Description: Toner collection motor error
  The toner collection motor sensor output does not change for 3 s while the toner collection motor is on.
• Causes: • Motor lock due to obstruction • Motor driver board defective • Motor connection loose, defective • Toner collection motor sensor disconnected, sensor defective • Rotational transmission shaft (o6 x 30) missing
• Remedy:

• Code: 599
• Description: 1-bin Exit Motor Error (Japan Only)
  The transport lock sensor output does not change within 300 ms after the motor switches on.
• Causes: • Motor overload • Motor driver defective
• Remedy:

• Code: 620
• Description: BICU/ADF communication/timeout error
  After 1 data frame is sent to the finisher MBX, an ACK signal is not received within 100 ms, and is not received after 3 retries
• Causes: • Serial line connection unstable • External noise on the line
• Remedy:

• Code: 621
• Description: BICU/Finisher communication/break error
  During communication with the finisher MBX, the BICU received a break (Low) signal from the finisher.
• Causes: • Serial line connection unstable • External noise on the line
• Remedy:

• Code: 623
• Description: BICU/Tray 1 to 4 communication/timeout error
  After 1 data frame is sent to the trays, an ACK signal is not received within 100 ms, and is not received after 3 retries.
• Causes: • Serial line connection unstable • External noise on the line
• Remedy:

• Code: 625
• Description: VBCU-DTMB (DMC1) communication error
  Communication between the VBCU and DMC (main) was interrupted. An ACK/NAK signal was not received within 100 ms after a data frame was sent and three retries failed.
• Causes: • Check the DTMB harness connections at the DTMB and VBCU • DTMB defective • PSU defective • VBCU defective • 5V power supply defective
• Remedy: