• 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

• Code: 2850
• Description: Intermediate transferbelt sensor error
  The signal is not received for 100 ms in succession.
• 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. 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(YC1) and Engine PWB (YC6) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. 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: 2860
• Description: Intermediate transfer belt sub sensor error
  The signal is not received for 100 ms in succession.
• Remedy: Transfer belt sensor: 1. To check the motor operation, execute U030 Belt Meand. 2. Check that the drive roller for the sensor pulse can be rotated. 3. Check that the sensor is correctly positioned. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Transfer belt sensor and intermediate transfer belt unit and Engine PWB (YC3) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. 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: 2950
• Description: Motor control PWB communication error
  A communication error from the motor control PWB is detected 10 times in succession.
• Remedy: Motor control PWB: 1. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Motor control PWB (YC3) and Engine PWB (YC9) 2. If the wiring is disconnected, shorted or grounded, replace the wiring. 3. Replace the Motor control PWB.
  Engine PWB: 1. Check the engine software and upgrade to the latest, if necessary. 2. Replace the engine PWB.

• Code: 3100
• Description: Scanner carriage error
  The home position is not correct when the power is turned on, at the end of a reading process of the table and document processor.
• Remedy: The scanner mirror frame is being locked after setup: Check whether the scanner mirror frame has been unlocked and unlock if necessary
  Scanner motor: 1. To check the scanner motor, execute U073 . 2. Move the scanner by the hand to check whether it is unusually difficult to move. 3. Check that the optical wire rope is not disengaged and engage the wire. 4. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Scanner motor and ISC PWB (YC5) ISC PWB (YC3) and Main PWB (YC11) 5. If the wiring is disconnected, shorted or grounded, replace the wiring. 6. Replace the scanner motor.
  Home position sensor: 1. Check that the sensor is correctly positioned. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. Home position sensor and ISC PWB (YC8) 3. Replace the home position sensor.
  ISC PWB: Replace the ISC PWB and execute U411
  Main PWB: Replace the main PWB

• Code: 3210
• Description: CIS lamp error
  When input value at the time of CIS illumination does not exceed the threshold value between 5 s
• Remedy: CIS: 1. Execute U906 Separating Operation Release . 2. Execute CCD of U061 lamp check. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. CIS and DPSHD PWB (YC2) DPSHD PWB (YC3) and DP relay PWB (YC2) 4. If the wiring is disconnected, shorted or grounded, replace the wiring. 5. Replace the CIS and execute U091 and U411.
  DPSHD PWB: Replace the DPSHD PWB.
  DP relay PWB: Replace the DP relay PWB.

• Code: 3220
• Description: CCD lamp activation error
  The threshold is calculated for colors at initialization and the pixel which does not exceed that value is greater than 1000.
• Remedy: CIS 1. Execute U906 Separating Operation Release. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. LED lamp PWB and ISC PWB (YC6) CCD PWB (YC2) and ISC PWB (YC9) ISC PWB (YC3) and Main PWB (YC11) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. If the LED lamp won’t light, replace the LED PWB and execut U411.
  ISC PWB: Replace the ISC PWB and execute U411.
  Main PWB: Replace the main PWB

• Code: 3300
• Description: Optical system (AGC) error
  One of the gains is FF or 0x89 during the CCD lamp AGC is being processed.
• Remedy: LED lamp PWB: 1. To check the lamp, execute U061 CCD. 2. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. LED lamp PWB and ISC PWB (YC6) CCD PWB (YC2) and ISC PWB (YC9) ISC PWB (YC3) and Main PWB (YC11) 3. If the wiring is disconnected, shorted or grounded, replace the wiring. 4. If the LED lamp won’t light, replace the LED PWB and execut U411.
  CCD PWB: Replace the ISU and execute U411
  ISC PWB: Replace the ISC PWB and execute U411.
  Main PWB: Replace the main PWB.