Description: Main motor abnormality: The main motor is not rotatingnormally.
Remedy: 1 Is the main motor working? (Perform the output check in the test mode: 04-101/151) Yes 2 No 1. Check if the connector CN1 of the main motor is disconnected. 2. Check if the connector CN16 on the MAIN board is disconnected. 3. Check if the connector pins are disconnected and the harnesses are open circuited. 4. Check if the conductor patterns on the main motor board and MAIN board are short circuited or open circuited. 5. Replace the main motor. 6. Replace the MAIN board. 2 Is the LED on the main motor board lit without flickering? Yes 3 No 1. Check if the connector pins are disconnected and the harnesses are open circuited. 2. Check if the conductor patterns on the main motor board and MAIN board are short circuited or open circuited. 3. Replace the main motor. 4. Replace the MAIN board. 3 1. Check if the PLL lock signal CN305-B8 output from the MAIN board is always level “L”. 2. Check if the voltage supplied to the CPU input terminal IC24-12 is always “L”. 3. Replace the MAIN board.
Code: C04
Description: PFP motor abnormality: The PFP motor is not rotatingnormally.
Remedy: 1 Is the PFP motor working? (Perform the output check in the test mode: 04-109/159) Yes 2 No 1. Check if the signal line connector CN503 of the PFP motor is disconnected. 2. Check if the power line connector CN502 of the PFP motor is disconnected. 3. Check if the connector CN246 on the PFP board is disconnected. 4. Check if the signal line connector CN241 on the PFP board is disconnected. 5. Check if the power line connector CN242 on the PFP board is disconnected. 6. Check if the connector CN13 on the MAIN board is disconnected. 7. Check if the connector pins are disconnected and the harnesses are open circuited. 8. Check if the conductor patterns on the PFP motor board, PFP board and MAIN board are short circuited or open circuited. 9. Replace the PFP motor. 10. Replace the PFP board. 11. Replace the MAIN board. 2 Is the LED on the PFP motor board lit without flickering? Yes 3 No 1. Check if the connector pins are disconnected and the harnesses are open circuited. 2. Check if the conductor patterns on the PFP motor board, PFP board and MAIN board are short circuited or open circuited. 3. Replace the PFP motor. 4. Replace the PFP board. 5. Replace the MAIN board. 3 1. Check if the PLL lock signal CN246-8 output from the PFP board is always “L” level. 2. Check if the voltage supplied to the microcomputer input terminal IC5-17 is always “L” level. 3. Replace the PFP board. 4. Replace the MAIN board.
Code: C08
Description: ADU motor IC overcurrent detection error
Remedy: 1 Is the ADU motor working? (Perform the output check in the test mode: 04-110/160) Yes 2 No 1. Check if any of the connectors CN251 and CN252 on the ADU board is disconnected. 2. Check if the relay connector between the ADU board and the PFC board is disconnected. 3. Check if the connector CN246 on the PFC board is disconnected. 4. Check if the connector pins are disconnected and the harnesses are open circuited. 5. Check if the conductor patterns on the ADU board and the PFC board are short circuited or open circuited. 6. Replace the ADU motor. 7. Replace the ADU board. 8. Replace the PFC board. 2 Is the voltage supplied to the driver IC terminal IC1-18 on the ADU board is always at level "H"? Yes 3 No 1. Check if the voltage supplied to the connector CN251-12 on the ADU board is always at level "H". 2. Check if the voltage supplied to the connector CN246-6 on the PFC board is always at level "H". 3. Check if the voltage supplied to the CPU input terminal (IC4-96) on the PFC board is always at level "H". 4. Replace the PFC board. 3 Replace the ADU board.
Code: C15
Description: PFP upper drawer tray abnormality: The PFP upperdrawer tray-up motor is not rotating or the PFP upper drawer tray is not moving normally.
Remedy: 1 Does the tray go up? (Perform the output check in the test mode: 04-278/280) Yes 2 No 1. Check if the connector of the tray-up motor is disconnected. 2. Check if any of the connectors CN241, CN242 and CN244 on the PFP board is disconnected. 3. Check if the connector CN13 on the MAIN board is disconnected. 4. Check if the connector pins are disconnected and the harnesses are open circuited. 5. Check if the conductor patterns on the PFP board and MIAN board are short circuited or open circuited. 6. Replace the PFP board. 7. Replace the MAIN board. 2 Is the tray-up sensor working? (Perform the input check in the test mode: 13-[04. SENSOR TEST]) Yes 3 No 1. Check if the connector of the sensor is disconnected. 2. Check if any of the connectors CN241, CN247 and CN248 on the PFP board is disconnected. 3. Check if the connector CN13 on the MAIN board is disconnected. 4. Check if the slit reaches the sensor. 5. Check if the connector pins are disconnected and the harnesses are open circuited. 6. Check if the conductor patterns on the PFP board and MAIN board are short circuited or open circuited. 7. Replace the PFP board. 8. Replace the MAIN board. 3 1. Check if the conductor pattern on the MAIN board is short circuited or open circuited. 2. Replace the MAIN board.
Code: C16
Description: PFP lower drawer tray abnormality: The PFP lowerdrawer tray-up motor is not rotating or the PFP lower drawer tray is not moving normally.
Remedy: 1 Does the tray go up? (Perform the output check in the test mode: 04-278/280) Yes 2 No 1. Check if the connector of the tray-up motor is disconnected. 2. Check if any of the connectors CN241, CN242 and CN244 on the PFP board is disconnected. 3. Check if the connector CN13 on the MAIN board is disconnected. 4. Check if the connector pins are disconnected and the harnesses are open circuited. 5. Check if the conductor patterns on the PFP board and MIAN board are short circuited or open circuited. 6. Replace the PFP board. 7. Replace the MAIN board. 2 Is the tray-up sensor working? (Perform the input check in the test mode: 13-[04. SENSOR TEST]) Yes 3 No 1. Check if the connector of the sensor is disconnected. 2. Check if any of the connectors CN241, CN247 and CN248 on the PFP board is disconnected. 3. Check if the connector CN13 on the MAIN board is disconnected. 4. Check if the slit reaches the sensor. 5. Check if the connector pins are disconnected and the harnesses are open circuited. 6. Check if the conductor patterns on the PFP board and MAIN board are short circuited or open circuited. 7. Replace the PFP board. 8. Replace the MAIN board. 3 1. Check if the conductor pattern on the MAIN board is short circuited or open circuited. 2. Replace the MAIN board.
Code: C21
Description: CIS unit initialization error
Remedy: 1 Does the CIS case move to its home position when the power is turned ON? Yes 1. Check if the CIS home position sensor is installed properly. 2. Check if any of the connectors is disconnected from the CIS home position sensor. 3. Check if the connector CN14 on the MAIN board is disconnected. 4. Check if the connector pins are disconnected and the harnesses are open circuited. 5. Check if the conductor patterns on the MAIN board are short circuited or open circuited. 6. Replace the CIS home position sensor. 7. Replace the MAIN board. No 2 2 Is there any abnormal sound when the CIS case is moving? Yes 1. Check if the CIS unit drive belt-1 or the CIS unit drive belt-2 is damaged. 2. Check if the belt tension of the CIS unit drive belt-1 or the CIS unit drive belt-2 is loose. 3. Check if the joint of the belt stopper and the CIS unit drive belt-1 is loose. No 3 3 1. Check if the tension of the CIS unit drive belt-1 or the CIS unit drive belt-2 is too tight. 2. Check if any of the connectors of the scan motor is disconnected. 3. Check if the connector CN18 on the MAIN board is disconnected. 4. Check if the connector pins are disconnected and the harnesses are open circuited. 5. Check if the conductor patterns on the MAIN board are short circuited or open circuited. 6. Replace the scan motor. 7. Replace the MAIN board