• Code: CDF0
• Description: Initialization error of the offset tray : The home position of the separator cannot be detected when the power is turned ON.
• Remedy: (1) Check if each connector between the OCT motor and OCT board (CN261) is disconnected. (2) Check if each connector between the OCT board (CN261) and LGC board (CN302) is disconnected. (3) Check if each connector pin is removed or the harness is broken. (4) Check if any conductor pattern on the OCT board and LGC board is open- or short-circuited. (5) Replace the OCT motor. (6) Replace the OCT board. (7) Replace the LGC board.

• Code: CE00
• Description: Communication error between finisher unit and puncher unit: Communication error between finisher controller PC board and punch controller PC board [MJ-1023/1024 (when MJ-6004 is installed)]
• Remedy: MJ-1023/1024 (When MJ-6004 is installed) Is the problem solved by turning OFF and ON the power of the equipment? YES End. NO Is the wiring between the finisher controller PC board and punch controller PC board correct? NO Correct the wiring. YES 1. Replace the finisher controller PC board. 2. Replace the punch controller PC board.

• Code: E010
• Description: Jam not reaching the exit sensor: The paper which has passed through the fuser unit does not reach the exit sensor.
• Remedy: Open the jam access cover. Is there any paper on the transport path? YES Remove the paper. NO Is the exit sensor working? (Perform the input check in the test mode: 03-[FAX]ON/[2]/[B]) NO 1. Check if the connector of the exit sensor is disconnected. 2. Check if the connector CN302 on the LGC board is disconnected. 3. Check if the connector pins are disconnected and the harnesses are opencircuited. 4. Check if the conductor pattern on the LGC board is short- or open-circuited. 5. Replace the exit sensor. 6. Replace the LGC board. YES Is the registration clutch working? (Perform the output check in the test mode: 03-108/158) NO 1. Check if the connector of the registration clutch is disconnected. 2. Check if the connector CN318 on the LGC 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 LGC board is short- or open-circuited. 5. Replace the registration clutch. 6. Replace the LGC board. YES Check the registration roller. Replace it if it is worn out.

• Code: E020
• Description: Stop jam at the exit sensor: The trailing edge of the paper does not pass the exit sensor after its leading edge has reached this sensor.
• Remedy: Open the jam access cover. Is there any paper on the transport path? YES Remove the paper. NO Is the exit sensor working? (Perform the input check in the test mode: 03-[FAX]ON/[2]/[B]) NO 1. Check if the connector of the exit sensor is disconnected. 2. Check if the connector CN302 on the LGC board is disconnected. 3. Check if the connector pins are disconnected and the harnesses are opencircuited. 4. Check if the conductor pattern on the LGC board is short- or open-circuited. 5. Replace the exit sensor. 6. Replace the LGC board. YES Is the registration clutch working? (Perform the output check in the test mode: 03-108/158) NO 1. Check if the connector of the registration clutch is disconnected. 2. Check if the connector CN318 on the LGC 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 LGC board is short- or open-circuited. 5. Replace the registration clutch. 6. Replace the LGC board. YES Check the registration roller. Replace it if it is worn out.

• Code: E030
• Description: Power-ON jam: The paper is remaining on the paper transport path when power is turned ON.
• Remedy: Open the cover of the unit/area whose picture is blinking on the control panel. Is there any paper on the transport path? (Refer to the following table.) YES Remove the paper. NO Is the sensor in the jamming area working? (Perform the input check in the test mode: refer to the following table.) NO 1. Check if the connector of the sensor is disconnected. 2. Check if any of the connectors on the LGC 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 LGC board is short- or open-circuited. 5. Replace the sensor. 6. Replace the LGC board. YES Replace the LGC board.

• Code: E090
• Description: HDD abnormality causes jam: Image data to be printed cannot be prepared.
• Remedy: (1) Check if the error is cleared by turning the power OFF and then back ON. (2) Check if the connectors of the HDD are disconnected. (3) Check if the connector pins are disconnected and the harnesses are open-circuited. (4) Replace the HDD. (5) Replace the SYS board.

• Code: E110
• Description: ADU misfeeding (Paper not reaching the 1st transport sensor): The paper which has passed through ADU does not reach the 1st transport sensor during duplex printing.
• Remedy: Open the jam access cover. Is there any paper in front of the registration sensor? YES Remove the paper. NO Is the registration sensor working? (Perform the input check in the test mode:03-[FAX]ON/[2]/[A]) NO 1. Check if the connector of the registration sensor is disconnected. 2. Check if the connector CN318 on the LGC board is disconnected. 3. Check if the connector pins are disconnected and the harnesses are opencircuited. 4. Check if the conductor pattern on the LGC board is short- or open-circuited. 5. Replace the registration sensor. 6. Replace the LGC board. YES Is the ADU clutch working? (Perform the output check in the test mode: 03-222) NO 1. Check if the connector of the ADU clutch is disconnected. 2. Check if the connector CN304 on the LGC board is disconnected. 3. Check if the connector pins are disconnected and the harnesses are opencircuited. 4. Check if the conductor pattern on the LGC board is short- or open-circuited. 5. Replace the ADU clutch. 6. Replace the LGC board. YES Check the rollers in the ADU. Replace them if they are worn out.

• Code: E120
• Description: Bypass misfeeding (Paper not reaching the 1st transport sensor): The paper fed from the bypass tray does not reach the 1st transport sensor.
• Remedy: Open the jam access cover. Is there any paper in front of the registration sensor? YES Remove the paper. NO Is the registration sensor working? (Perform the input check in the test mode: 03-[FAX]ON/[2]/[A]) NO 1. Check if the connector of the registration sensor is disconnected. 2. Check if the connector CN318 on the LGC board is disconnected. 3. Check if the connector pins are disconnected and the harnesses are opencircuited. 4. Check if the conductor pattern on the LGC board is short- or open-circuited. 5. Replace the registration sensor. 6. Replace the LGC board. YES Is the bypass feed clutch working? (Perform the output check in the test mode: 03-204) Is the bypass feed sensor working? (Perform the input check in the test mode: 03-[FAX]ON/[4]/[F]) NO 1. Check if the connector of the bypass feed clutch and bypass feed sensor are disconnected. 2. Check if the connector CN304 on the LGC board is disconnected. 3. Check if the connector pins are disconnected and the harnesses are opencircuited. 4. Check if the conductor pattern on the LGC board is short- or open-circuited. 5. Replace the bypass feed clutch and bypass feed sensor. 6. Replace the LGC board. YES Check the bypass transport, feed separation and pickup rollers. Replace them if they are worn out.