• Code: 2850
• Description: Intermediate transfer belt 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: 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 1.The HP sensor won’t turn in a constant mode after the relevant pulse has passed by during the HP sensor keeps turning off at the initialization. 2.The HP sensor won’t turn off in a constant mode after the relevant pulse has passed by during the HP sensor keeps turning on at the initialization. 3.The PI sensor has not changed its status in a constant speed mode during the stop processing operation of the HP at the initialization. 4.The PI sensor has not changed its status in a constant speed mode during the PI sensor is turned off at the end of scanning. If an error has been observed with either of 1 through 4 above, the error is observed at an initialization after a retry.
• 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.

• Code: 3310
• Description: CIS AGC error After AGC, correct input is not obtained at CIS.
• Remedy: CIS 1. Execute U906 Separating Operation Release. 2. To check the lamp, execute U061 CCD. 3. Confirm that the wiring connector is firmly connected and, if necessary, connect the connector all the way in. DP 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.