• Code: 2730
• Description: Secondary transfer release motor error When the transfer release motor is driven, the transfer release sensor does not turn on/off for 5 s.
• Remedy: Transfer release motor 1. To check the motor operation, execute U030 Press Release. 2. Check the drive gear can rotate or they are not unusually loaded and, if necessary, replace. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Transfer release motor and relay PWB (YC14) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the Transfer release motor.
  Transfer release sensor 1. When abnormal noise is observed at the execution of Press Release of U030 motor operation check. 2. Check that the sensor and its mounting board are correctly positioned. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. 4. Replace the Transfer release motor.
  Paper conveying unit 1. The main-unit access drawer of the paper conveying unit has no foreign objects adhered or no distorted pins and, if necessary, repair. 2. Check the paper conveying unit is firmly closed. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Relay PWB (YC1) and Feed PWB 1(YC14) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the paper conveying unit and execute U052.
  Feed PWB 1 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Feed PWB 1 (YC1) and Engine PWB (YC6) 2. Check that the IC on the feed circuit PWB1 is not damaged (by an overcurrent or foreign object) and, if necessary, replace.
  Engine PWB 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.

• Code: 2760
• Description: Transfer motor startup error Transfer motor is not stabilized within 5 s since the motor is activated.
• Remedy: Transfer motor 1. To check the motor operation, execute U030 Belt Meand. 2. Rotate the drive gear, the belt and the roller by the hand and check that they are not unusually loaded. 3. Clean the Intermediate transfer belt unit. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Transfer motor and Feed PWB 1 (YC13) Feed PWB 1(YC2) and Engine PWB (YC5) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the Transfer motor.
  Feed PWB 1 Replace the Feed PWB 1.
  Engine PWB 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.

• Code: 2770
• Description: Intermediate transfer belt meandering correction error If the intermediate transfer belt position detecting sensor has derived an incorrect value.
• Remedy: Intermediate transfer belt unit 1. Check that the Intermediate transfer belt unit has been properly installed so that the intermediate belt unit waste toner shutter won’t be derailed when the belt unit is strongly inserted. 2. Reinstall the intermediate transfer belt unit (Insert slowly all the way in). 3. Run U469 Belt Position with B/W and confirm “angle” (position of belt) is within the range (6 to 26). 4. Check that the main unit is placed perfectly horizontal. 5. Replace the intermediate transfer belt unit.
  Transfer belt sensor (Intermediate transfer belt unit) 1. Clean the toner off of the sensor and its proximity using a blower. 2. Check the sensor actuator are correctly positioned.
  Engine PWB 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.

• Code: 2780
• Description: Intermediate transfer belt skew correction sensor error An abnormal value is detected to transfer skew sensor.
• Remedy: Transfer belt skew sensor (Intermediate transfer belt unit) 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. intermediate transfer belt unit and Engine PWB (YC3) 2. Replace the intermediate transfer belt unit.
  Engine PWB 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.

• Code: 2790
• Description: Intermediate transfer belt skew correction motor error When the transfer skew motor is driven, timeouts (300 ms) were detected twice in a row.
• Remedy: Transfer belt skew motor 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. intermediate transfer belt unit and Engine PWB (YC3) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the intermediate transfer belt unit.
  Engine PWB 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.

• Code: 2810
• Description: Inner waste toner motor error Initialized when an error is constantly observed for 2 seconds after the inner waste toner motor is activated. An error is detected twice for 2.5 seconds after rebooting. The lock detect signal won’t be H level three times in a row within 200 ms at 1.25 ms cycles after the inner waste toner motor has been driven.
• Remedy: Waste toner box 1. Rotate the waste toner spiral by the hand and check that they are not unusually loaded. 2. If the spiral won’t rotate, replace the waste toner tank.
  Waste toner motor 1. Rotate the drive gear by the hand and check that they are not unusually loaded. 2. Clean the drive gears and the axle holder. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Waste toner motor and Front PWB (YC16) Front PWB (YC3) and Engine PWB (YC7) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the waste toner motor.
  Engine PWB 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.

• Code: 2820
• Description: Intermediate transfer belt motor steady-state error After transfer motor is stabilized, the ready signal is at the H level for 5 s continuously. The counter value obtained by timer capture is lower than 2200 for 10 times in a row.
• Remedy: Transfer motor 1. To check the motor operation, execute U030 Belt Meand. 2. Rotate the roller, driving gear by the hand and check that they are not unusually loaded. 3. Clean the intermediate transfer belt unit. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Transfer motor and Feed PWB 1(YC13) Feed PWB 1(YC2) and Engine PWB (YC5) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the Transfer motor.
  Feed PWB 1 Replace the Feed PWB 1.
  Engine PWB 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.

• Code: 2840
• Description: Intermediate transfer belt cleaning motor error After transfer cleaning motor is driven, the ready signal won’t be L lebel within 2 s. After transfer cleaning motor is stabilized, the ready signal is at the H level for 1 s continuously.
• Remedy: Transfer cleaning motor 1. Rotate the roller and the drive gear by the hand and check that they are not unusually loaded. 2. Check if the waste toner is remaining inside the cleaning unit without being disposed of. 3. Clean inside the cleaning unit. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Transfer cleaning motor and Engine PWB (YC3) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the transfer cleaning motor.
  Engine PWB 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.