• Code: C-0309
• Description: Paper exit cooling fan /Lw1 (FM10) rotation abnormality. The FM10EM error detection signal is detected twice in succession within a specified period of time after FM10 was turned ON. In addition, an error detection signal (24V cut off/blowout of a fuse) is not detected.
• Causes: Paper exit cooling fan /Lw1 (FM10) Printer control board (PRCB) AC drive board (ACDB)
• Remedy: 1 Check the connector connection and the wiring between PRCB and the fun, and repair it if any abnormality. - 2 Check the connector connection and the wiring between ACDB and the fun, and repair it if any abnormality. - 3 Rotate the fan by I/O or hand, and repair/replace it if any abnormality. 5-L 4 Replace FM10. - 5 Replace PRCB. - 6 Replace ACDB.

• Code: C-0310
• Description: Paper exit cooling fan /Lw2 (FM28) rotation abnormality + 24V power abnormality. The FM28EM error detection signal is detected twice in succession within a specified period of time after FM28 was turned ON. At this time, an error detection signal (24V cut off) is detected.
• Causes: DC power supply /2 (DCPS /2) AC drive board (ACDB)
• Remedy: 1 Check the connector connection and the wiring between ACDB and DCPS /2, and repair it if any abnormality. - 2 Replace DCPS /2. - 3 Replace ACDB.

• Code: C-0311
• Description: Paper exit cooling fan /Lw2 (FM28) power abnormality. The FM28EM error detection signal is detected twice in succession within a specified period of time after FM28 was turned ON. At this time, 24V is normal, but an error detection signal (blowout of ICP) is detected.
• Causes: Paper exit cooling fan /Lw2 (FM28) AC drive board (ACDB)
• Remedy: 1 Check the connector connection and the wiring between ACDB and the fun, and repair it if any abnormality. - 2 Rotate the fun or I/O by hand, and repair it if any abnormality. 4-L 3 Replace FM28 and ACDB at a time.

• Code: C-0312
• Description: Paper exit cooling fan /Lw2 (FM28) rotation abnormality. The FM28EM error detection signal is detected twice in succession within a specified period of time after FM28 was turned ON. However, error detection signals (24V cut off/ICP blowout) are not detected.
• Causes: Paper exit cooling fan /Lw2 (FM28) Printer control board (PRCB) AC drive board (ACDB)
• Remedy: 1 Check the connector connection and the wiring between PRCB and the fun, and repair it if any abnormality. - 2 Check the connector connection and the wiring between ACDB and the fun, and repair it if any abnormality. - 3 Rotate the fun or I/O by hand, and repair it if any abnormality. 4-L 4 Replace FM28. - 5 Replace PRCB. - 6 Replace ACDB.

• Code: C-0320
• Description: Paper feed assist fan /Fr1 (FM21) rotation abnormality + 24V power abnormality. The FM21EM error detection signal is detected twice in succession within a specified period of time after FM21 was turned ON. At this time, an error detection signal (24V cut off) is detected.
• Causes: DC power supply /2 (DCPS /2) Printer control board (PRCB)
• Remedy: 1 Check the connector connection and the wiring between PRCB and DCPS /2, and repair it if any abnormality. - 2 Replace DCPS /2. - 3 Replace PRCB.

• Code: C-0321
• Description: Paper feed assist fan /Fr1 (FM21) power abnormality. The FM21EM error detection signal is detected twice in succession within a specified period of time after FM21 was turned ON. At this time, 24V is normal, but an error detection signal (blowout of ICP) is detected.
• Causes: Paper feed assist fan /Fr1 (FM21) Paper feed assist fan /Rr1 (FM20) Paper feed assist fan /Fr2 (FM23) Paper feed assist fan /Rr2 (FM24) Printer control board (PRCB)
• Remedy: 1 Check the connector connection and the wiring between PRCB and the fun, and repair it if any abnormality. - 2 Rotate the fan by I/O or hand, and repair/replace it if any abnormality. 5-F, 8-F 3 C-0321: Replace FM21 and PRCB at a time. C-0324: Replace FM20 and PRCB at a time. C-0327: Replace FM23 and PRCB at a time. C-0330: Replace FM24 and PRCB at a time.

• Code: C-0322
• Description: Paper feed assist fan /Fr1 (FM21) rotation abnormality. The FM21EM error detection signal is detected twice in succession within a specified period of time after FM21 was turned ON. However, error detection signals (24V cut off/ICP blowout) are not detected.
• Causes: Paper feed assist fan /Fr1 (FM21) Paper feed assist fan /Rr1 (FM20) Paper feed assist fan /Fr2 (FM23) Paper feed assist fan /Rr2 (FM24) Printer control board (PRCB)
• Remedy: 1 Check the connector connection and the wiring between PRCB and the fun, and repair it if any abnormality. - 2 Rotate the fan by I/O or hand, and repair/replace it if any abnormality. 5-F, 8-F 3 C-0322: Replace FM21. C-0325: Replace FM20. C-0328: Replace FM23. C-0331: Replace FM24. - 4 Replace PRCB.

• Code: C-0323
• Description: Paper feed assist fan /Fr1 (FM20) rotation abnormality + 24V power abnormality. The FM20EM error detection signal is detected twice in succession within a specified period of time after FM20 was turned ON. At this time, an error detection signal (24V cut off) is detected.
• Causes: DC power supply /2 (DCPS /2) Printer control board (PRCB)
• Remedy: