Affected models: MP C3003/3503/4503/5503/6003 (D146/D147/D148/D149/D150/D176/D177/D237)

symptom

SC670-01: Engine startup error at machine startup SC670-02: Engine startup error while the machine is operating.

SC670-03: IPU startup error when the machine starts. SC670-04: Communication error between engine and control board.

SC665-02: FFC connection error between BCU and imaging IOB

SC665-03: FFC connection error between paper transport IOB and imaging IOB

SC664-04: Error in Imaging IOB and ASIC Transferring IOB SRAM Program

the reason

BCU, imaging IOB, transfer IOB, control board, IPU and PSU are bad or connection error occurs.

Solution

SC670-02

1. Replace the BCU.

2. Replace the IPU.

3. Replace the PCU.

4. Replace the control panel.

SC670-03

1. Replace the IPU.

2. Replace the PSU.

3. Replace the control board.

4. Replace the harness between the PSU and the IPU.

SC670-04

1. Replace the IPU.

2. Replace the control board.

SC665-02

1. If the powder bottle is removed, the SC665-02 disappears and the powder bottle is replaced.

2. If the developing unit is removed, the SC665-02 disappears and the developing unit is replaced.

3. Replace the FFC that connects the BCU to the imaging IOB.

4. Replace the imaging IOB and the FFC that transmits the IOB.

5. Replace the BCU.

6. Replace imaging IOB.

7. Replace the transfer IOB.

8. Replace 4 ID chips

SC665-03

1. Replace the imaging IOB and the FFC that transmits the IOB.

2. Replace imaging IOB.

3. Replace the transfer IOB.

SC665-04/SC664-01

1. Replace the FFC that connects the BCU to the imaging IOB.

2. Replace the FFC that connects the imaging IOB and the transmitting IOB.

3. Replace the EEPROM of the BCU.

4. Replace imaging IOB.

5. Replace imaging IOB.

6. Replace the BCU.