• Code: 2500
• Description: Paper feed motor error
  The drum motor ready input is not given for 5 s during the paper feed motor is ON.
• Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system of the paper feed motor. Defective paper feed motor. Defective engine PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Paper feed motor and engine PWB (YC3)
  Defective drive transmission system of the paper feed motor. Check if the rollers and gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
  Defective paper feed motor. Replace the paper feed motor.
  Defective engine PWB. Replace the engine PWB and check for correct operation.

• Code: 2600
• Description: PF paper feed motor error (paper feeder 1)
  The drum motor ready input is not given for 2 s during the PF paper feed motor is ON.
• Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system of the PF paper feed motor. Defective PF paper feed motor. Defective PF main PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. PF paper feed motor and PF main PWB (YC6)
  Defective drive transmission system of the PF paper feed motor. Check if the rollers and gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
  Defective PF paper feed motor. Replace the PF paper feed motor.
  Defective PF main PWB. Replace the PF main PWB (Refer to the service manual for the paper feeder).

• Code: 2610
• Description: PF paper feed motor error (paper feeder 2)
  The drum motor ready input is not given for 2 s during the PF paper feed motor is ON.
• Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system of the PF paper feed motor. Defective PF paper feed motor. Defective PF main PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. PF paper feed motor and PF main PWB (YC6)
  Defective drive transmission system of the PF paper feed motor. Check if the rollers and gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
  Defective PF paper feed motor. Replace the PF paper feed motor.
  Defective PF main PWB. Replace the PF main PWB (Refer to the service manual for the paper feeder).

• Code: 2620
• Description: PF paper feed motor error (paper feeder 3)
  The drum motor ready input is not given for 2 s during the PF paper feed motor is ON.
• Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system of the PF paper feed motor. Defective PF paper feed motor. Defective PF main PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. PF paper feed motor and PF main PWB (YC6)
  Defective drive transmission system of the PF paper feed motor. Check if the rollers and gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
  Defective PF paper feed motor. Replace the PF paper feed motor.
  Defective PF main PWB. Replace the PF main PWB (Refer to the service manual for the paper feeder).

• Code: 2730
• Description: Developing release motor error
  When the developing release motor is driven, the motor over-current detection signal is detected continuously for 8 times (800 ms) at 100 ms intervals.
• Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system of the developing release motor. Defective developing release motor. Defective engine PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developing release motor and engine PWB (YC35)
  Defective drive transmission system of the developing release motor. Check if the rollers and gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
  Defective developing release motor. Replace the developing release motor.
  Defective engine PWB. Replace the engine PWB and check for correct operation.

• Code: 2740
• Description: Developing release motor time-out error
  When the developing release motor is driven, the developing release switch (DEVRSW) is not detectable for 1 s.
• Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system of the developing release motor. Defective developing release motor. Defective engine PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Developing release motor and engine PWB (YC35)
  Defective drive transmission system of the developing release motor. Check if the rollers and gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
  Defective developing release motor. Replace the developing release motor.
  Defective engine PWB. Replace the engine PWB and check for correct operation.

• Code: 2820
• Description: Fuser motor error
  The fuser motor ready input is not given for 5 s during the fuser motor is ON.
• Causes: Defective connector cable or poor contact in the connector. Defective drive transmission system of the fuser motor. Defective fuser motor. Defective engine PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Fuser motor and engine PWB (YC15)
  Defective drive transmission system of the fuser motor. Check if the rollers and gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any.
  Defective fuser motor. Replace the fuser motor.
  Defective engine PWB. Replace the engine PWB and check for correct operation.

• Code: 4001
• Description: Polygon motor KM error
  The polygon motor KM ready input is not given for 10 s during the polygon motor is ON.
• Causes: Defective connector cable or poor contact in the connector. Defective polygon motor KM. Defective engine PWB.
• Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. Laser scanner unit KM and engine PWB (YC31)
  Defective polygon motor KM. Replace the laser scanner unit KM.
  Defective engine PWB. Replace the engine PWB and check for correct operation.