Description: Cover open jam. PFP cover open jam: The PFP cover has opened during printing.
Remedy: 1 Is the PFP side cover open? Yes Remove the paper if there is any, then close the cover. 2 No 2 Is the PFP side cover opening/closing switch working? (Perform the input check in the test mode: 13-[04. SENSORT TEST]) Yes 3 No 1. Check if the connector of the PFP side cover opening/closing switch is disconnected. 2. Check if either of the connectors CN241 or CN243 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 MAIN board are short circuited or open circuited. 6. Replace the PFP side cover opening/closing switch. 7. Replace the PFP board. 8. Replace the MAIN board. 3 1. Replace the PFP board. 2. Replace the MAIN board.
Code: E44
Description: Cover open jam. PFU cover open jam: The PFU cover has opened during printing.
Remedy: 1 Is the PFU cover open? Yes Remove the paper if there is any, then close the cover. 2 No 2 Is the PFU cover opening/ closing switch working? (Perform the input check in the test mode: 13-[04. SENSOR TEST]) Yes 3 No 1. Check if the connector of the PFU cover opening/ closing switch is disconnected. 2. Check if the connector CN4 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 pattern on the MAIN board is short circuited or open circuited. 5. Replace the PFU cover opening/closing switch. 6. Replace the MAIN board. 3 Replace the MAIN board.
Code: E51
Description: Paper transport jam (ADU section) Jam not reaching the ADU sensor: The paper does not reach the ADU sensor after it is switchbacked in the exit section.
Remedy: 1 Open the ADU. Is there any paper in front of the ADU sensor? Yes Remove the paper. 2 No 2 Is the ADU sensor working? (Perform the input check in the test mode: 13-[04. SENSOR TEST]) Yes 3 No 1. Check if either of the connectors CN251 on the ADU board is disconnected. 2. Check if the connector CN13 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 ADU board and MAIN board are short circuited or open circuited. 5. Replace the ADU board. 6. Replace the MAIN board. 3 Check the rollers in the ADU. Replace them if they are worn out.
Code: E71
Description: ADF jam. Jam not reaching the original registration sensor: The original fed from the original feeding tray does not reach the original registration sensor.
Remedy: 1 Are the pickup roller, feed roller and separation roller stained or worn out? Yes Clean the rollers or replace them. 2 No 2 Is the original excessively curled or folded? Yes Flatten and set it again. No 3 3 Are the original registration sensor working? (Perform the input check: 13- [04. SENSOR TEST]) Yes 4 No 1. Check if the connectors of the original registration sensor are disconnected. 2. Check if the connector CN74 on the ADF board is disconnected. 3. Check if the connector pins are disconnected or the harnesses are open circuited. 4. Check if the conductor pattern on the ADF board is short circuited or open circuited. 5. Replace the original registration sensor. 6. Replace the ADF board. 4 Replace the ADF board.
Code: E72
Description: ADF jam. Jam not reaching the read sensor: The original does not reach the read sensor after it has passed the registration sensor.
Remedy: 1 Are the registration roller and read roller stained? Yes Clean the rollers. No 2 2 Is the read sensor working? (Perform the input check: 13- [04. SENSOR TEST]) Yes 3 No 1. Check if the connector of the read sensor are disconnected. 2. Check if the connector CN75 on the ADF board is disconnected. 3. Check if the connector pins are disconnected or the harnesses are open circuited. 4. Check if the conductor pattern on the ADF board is short circuited or open circuited. 5. Replace the read sensor. 6. Replace the ADF board. 3 Replace the ADF board.
Code: E73
Description: ADF jam. Stop jam at the exit sensor: The trailing edge of the original does not pass the exit sensor after its leading edge has reached this sensor.
Remedy: 1 Is the exit roller stained? Yes Clean the roller. No 2 2 Is the exit sensor working? (Perform the input check: 13- [04. SENSOR TEST]) Yes 3 No 1. Check if the connector of the exit sensor is disconnected. 2. Check if the connector CN75 on the ADF board is disconnected. 3. Check if the connector pins are disconnected or the harnesses are open circuited. 4. Check if the conductor pattern on the ADF board is short circuited or open circuited. 5. Replace the exit sensor. 6. Replace the ADF board. 3 Replace the ADF board.