• Code: 1200
• Description: Side registration motor error
  The duplexer PWB of the optional duplexer cannot detect the home position of the adjust guide.
• Causes: Defective duplexer. Defective engine controller PWB (A0004).
• Remedy: Defective duplexer. Refer to the duplexer's service manual. Defective engine controller PWB (A0004). Replace the engine controller PWB (A0004).

• Code: 2610
• Description: Paper feed motor error (top)
  The notification that was received, the motor clock sensor cannot detect the revolution of the paper feed motor of the optional paper feeder (top).
• Causes: Defective paper feeder. Defective engine controller PWB (A0004).
• Remedy: Defective paper feeder. Refer to the paper feeder's service manual. Defective engine controller PWB (A0004). Replace the engine controller PWB (A0004).

• Code: 2620
• Description: Paper feed motor error (middle)
  The notification that was received, the motor clock sensor cannot detect the revolution of the paper feed motor of the optional paper feeder (middle).
• Causes: Defective paper feeder. Defective engine controller PWB (A0004).
• Remedy: Defective paper feeder. Refer to the paper feeder's service manual. Defective engine controller PWB (A0004). Replace the engine controller PWB (A0004).

• Code: 2630
• Description: Paper feed motor error (bottom)
  The notification that was received, the motor clock sensor cannot detect the revolution of the paper feed motor of the optional paper feeder (third).
• Causes: Defective paper feeder. Defective engine controller PWB (A0004).
• Remedy: Defective paper feeder. Refer to the paper feeder's service manual. Defective engine controller PWB (A0004). Replace the engine controller PWB (A0004).

• Code: 5301
• Description: Eraser lamp 4 error (black drum unit)
  The eraser lamp 4 [PWB] (KP-1090) of the black drum unit does not communicate with the engine controller PWB (A0004) normally.
• Causes: Defective eraser lamp 4 [PWB] (KP- 1090). Defective engine controller PWB (A0004). Defective drum PWB 4 (KP-972). Defective harness (S03212) between drum PWB 4 (KP- 972) and eraser lamp 4 [PWB] (KP- 1090), or poor contact of the connector terminals. Defective harness (S03214) between engine controller PWB (A0004) and LED print heads relay PWB (A0176), or poor contact of the connector terminals. Defective LED print heads relay PWB (A0176).
• Remedy: Defective eraser lamp 4 [PWB] (KP- 1090). Replace the eraser lamp 4 [PWB] (KP- 1090). Defective engine controller PWB (A0004). Replace the engine controller PWB (A0004). Defective drum PWB 4 (KP-972). Replace the black drum unit. See page 1-5- 13. Defective harness (S03212) between drum PWB 4 (KP- 972) and eraser lamp 4 [PWB] (KP- 1090), or poor contact of the connector terminals. Check the connection of the YC402 connector of the drum PWB 4 (KP-972), if there is trouble, remedy or replace. Defective harness (S03214) between engine controller PWB (A0004) and LED print heads relay PWB (A0176), or poor contact of the connector terminals. Check the continuity of the harness (S03214), check the connection YC3 connector of the engine controller PWB (A0004), if there is trouble, remedy or replace. Defective LED print heads relay PWB (A0176). Replace the LED print heads relay PWB (A0176).

• Code: 5302
• Description: Eraser lamp 2 error (cyan drum unit)
  The eraser lamp 2 [PWB] (KP-1090) of the cyan drum unit does not communicate with the engine controller PWB (A0004) normally.
• Causes: Defective eraser lamp 2 [PWB] (KP- 1090). Defective engine controller PWB (A0004). Defective drum PWB 2 (KP-972). Defective harness (S03212) between drum PWB 2 (KP- 972) and eraser lamp 2 [PWB] (KP- 1090), or poor contact of the connector terminals. Defective harness (S03214) between engine controller PWB (A0004) and LED print heads relay PWB (A0176), or poor contact of the connector terminals. Defective LED print heads relay PWB (A0176).
• Remedy: Defective eraser lamp 2 [PWB] (KP- 1090). Replace the eraser lamp 2 [PWB] (KP- 1090). Defective engine controller PWB (A0004). Replace the engine controller PWB (A0004). Defective drum PWB 2 (KP-972). Replace the cyan drum unit. See page 1-5- 13. Defective harness (S03212) between drum PWB 2 (KP- 972) and eraser lamp 2 [PWB] (KP- 1090), or poor contact of the connector terminals. Check the connection of the YC402 connector of the drum PWB 2 (KP-972), if there is trouble, remedy or replace. Defective harness (S03214) between engine controller PWB (A0004) and LED print heads relay PWB (A0176), or poor contact of the connector terminals. Check the continuity of the harness (S03214), check the connection YC3 connector of the engine controller PWB (A0004), if there is trouble, remedy or replace. Defective LED print heads relay PWB (A0176). Replace the LED print heads relay PWB (A0176).

• Code: 5303
• Description: Eraser lamp 1 error (magenta drum unit)
  The eraser lamp 1 [PWB] (KP-1090) of the magenta drum unit does not communicate with the engine controller PWB (A0004) normally.
• Causes: Defective eraser lamp 1 [PWB] (KP- 1090). Defective engine controller PWB (A0004). Defective drum PWB 1 (KP-972). Defective harness (S03212) between drum PWB 1 (KP- 972) and eraser lamp 1 [PWB] (KP- 1090), or poor contact of the connector terminals. Defective harness (S03214) between engine controller PWB (A0004) and LED print heads relay PWB (A0176), or poor contact of the connector terminals. Defective LED print heads relay PWB (A0176).
• Remedy: Defective eraser lamp 1 [PWB] (KP- 1090). Replace the eraser lamp 1 [PWB] (KP- 1090). Defective engine controller PWB (A0004). Replace the engine controller PWB (A0004). Defective drum PWB 1 (KP-972). Replace the magenta drum unit. Defective harness (S03212) between drum PWB 1 (KP- 972) and eraser lamp 1 [PWB] (KP- 1090), or poor contact of the connector terminals. Check the connection of the YC402 connector of the drum PWB 1 (KP-972), if there is trouble, remedy or replace. Defective harness (S03214) between engine controller PWB (A0004) and LED print heads relay PWB (A0176), or poor contact of the connector terminals. Check the continuity of the harness (S03214), check the connection YC3 connector of the engine controller PWB (A0004), if there is trouble, remedy or replace. Defective LED print heads relay PWB (A0176). Replace the LED print heads relay PWB (A0176).

• Code: 5304
• Description: Eraser lamp 3 error (yellow drum unit)
  The eraser lamp 3 [PWB] (KP-1090) of the yellow drum unit does not communicate with the engine controller PWB (A0004) normally.
• Causes: Defective eraser lamp 3 [PWB] (KP- 1090). Defective engine controller PWB (A0004). Defective drum PWB 3 (KP-972). Defective harness (S03212) between drum PWB 3 (KP- 972) and eraser lamp 3 [PWB] (KP- 1090), or poor contact of the connector terminals. Defective harness (S03214) between engine controller PWB (A0004) and LED print heads relay PWB (A0176), or poor contact of the connector terminals. Defective LED print heads relay PWB (A0176).
• Remedy: Defective eraser lamp 3 [PWB] (KP- 1090). Replace the eraser lamp 3 [PWB] (KP- 1090). Defective engine controller PWB (A0004). Replace the engine controller PWB (A0004). Defective drum PWB 3 (KP-972). Replace the yellow drum unit. See page 1-5- 13. Defective harness (S03212) between drum PWB 3 (KP- 972) and eraser lamp 3 [PWB] (KP- 1090), or poor contact of the connector terminals. Check the connection of the YC402 connector of the drum PWB 3 (KP-972), if there is trouble, remedy or replace. Defective harness (S03214) between engine controller PWB (A0004) and LED print heads relay PWB (A0176), or poor contact of the connector terminals. Check the continuity of the harness (S03214), check the connection YC3 connector of the engine controller PWB (A0004), if there is trouble, remedy or replace. Defective LED print heads relay PWB (A0176). Replace the LED print heads relay PWB (A0176).