Description: LCF tray-up motor is abnormal (paper can be fed from the cassettes other than the LCF cassette)
Remedy: Does the tray move? (Perform the output check in the test mode: 03-271) NO 1. Check if the connector of the LCF tray-up motor is disconnected. 2 Check if any of the connectors CN100, CN101 and CN103 on the LCF board is disconnected. 3. Check if the connector J312 on the LGC 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 LCF board and LGC board are short- or open-circuited. 6. Replace the LCF board. 7. Replace the LGC board. YES Are the LCF tray bottom sensor and LCF tray-up sensor working? (Perform the input check in the test mode: 03-[FAX]OFF/[5]/[F], /[3]/[A] NO 1. Check if the connectors of the sensors are disconnected. 2. Check if any of the connectors CN100, CN104 and CN105 on the LCF board is disconnected. 3. Check if the connector J312 on the LGC board is disconnected. 4. Check if the slit reaches the sensors. 5. Check if the connector pins are disconnected and the harnesses are open-circuited. 6. Check if the conductor patterns on the LCF board and LGC board arer short- or open-circuited. 7. Replace the LCF board. 8. Replace the LGC board. YES 1. Check if the conductor pattern on the LGC board is short- or open-circuited. 2. Replace the LGC board.
Code: C1A
Description: LCF end fence motor is abnormal (paper can be fed from the cassettes other than the LCF cassette)
Remedy: Is the LCF end fence motor working? (Perform the output check in the test mode: 03-207) NO 1. Check if the connector of the LCF end fence motor is disconnected. 2. Check if any of the connectors CN100, CN101 and CN103 on the LCF board is disconnected. 3. Check if the connector J312 on the LGC 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 LCF board and LGC board are short- or open-circuited. 6. Replace the LCF board. 7. Replace the LGC board. YES Are the LCF end fence home/stop position sensors working? (Perform the input check in the test mode: 03-[FAX]OFF/[5]/[A], /[5]/[B]) NO 1. Check if the connectors of the sensors are disconnected. 2. Check if either of the connectors CN100 or CN107 on the LCF board is disconnected. 3. Check if the connector J312 on the LGC board is disconnected. 4. Check if the slit reaches the sensors. 5. Check if the connector pins are disconnected and the harnesses are open-circuited. 6. Check if the conductor patterns on the LCF board and LGC board are short- or open-circuited. 7. Replace the LCF board. 8. Replace the LGC board. YES 1. Check if the conductor pattern on the LGC board is short- or open-circuited. 2. Replace the LGC board.
Code: C1B
Description: LCF motor is abnormal (paper can be fed from the cassettes other than the LCF cassette)
Remedy: Is the LCF motor working? (Perform the output check in the test mode: 03-122/172) NO 1. Check if the connector CN1 of the LCF motor is disconnected. 2. Check if the connector CN102 on the LCF board is disconnected. 3. Check if the signal line connector CN100 on the LCF board is disconnected. 4. Check if the power line connector CN101 on the LCF board is disconnected. 5. Check if the connector J312 on the LGC board is disconnected. 6. Check if the connector pins are disconnected and the harnesses are open-circuited. 7. Check if the conductor patterns on the LCF motor board, LCF board and LGC board arer short- or open-circuited. 8. Replace the LCF motor. 9. Replace the LCF board. 10. Replace the LGC board. YES 1. Check if the connector pins are disconnected and the harnesses are open-circuited. 2. Check if the conductor patterns on the LCF motor board, LCF board and LGC board are short- or open-circuited. 3. Check if the PLL lock signal CN102-3 output from the LCF board is always “L” level. 4. Check if the voltage supplied to the microcomputer input terminal IC103-17 is always “L” level. 5. Replace the LCF motor. 6. Replace the LCF board. 7. Replace the LGC board.
Code: C26
Description: Peak detection error
Remedy: Does the exposure lamp light? YES 1. Check if the connectors on the CCD and SLG boards are disconnected. 2. Check if the shading correction plate is dirty. 3. Check if the conductor pattern on the CCD board is short- or open-circuited. 4. Check if the conductor pattern on the SLG board is short- or open-circuited. 5. Replace the lens unit. 6. Replace the SLG board. NO 1. Check if the connectors of the exposure lamp and inverter are disconnected. 2. Check the SLG board if the connector pin J9 is disconnected and the harness is short- or opencircuited. 3. Check if the conductor pattern on the SLG board is short- or open-circuited. 4. Replace the SLG board. 5. Replace the inverter. 6. Replace the exposure lamp.
Code: C27
Description: Carriage home position sensor not going OFF within a fixed time
Remedy: Are the carriages slightly moved to the feeding direction?/Are the carriages staying at a position other than home position? YES Check if the circuits of the SLG and SDV boards are abnormal. NO 1. Check if the connector pin is disconnected and the harness is short- or open-circuited. 2. Check if the conductor pattern on the SDV board is short- or open-circuited. 3. Check if the conductor pattern on the SLG board is short- or open-circuited. 4. Replace the SDV board. 5. Replace the SLG board.
Code: C28
Description: Carriage home position sensor not going ON within a fixed time
Remedy: Do the carriages make a big noise after they arrive at the home position? YES The carriage home position sensor is not turned ON. 1. Check if the connector of the sensor is disconnected. 2. Check if the circuits of the SDV and SLG boards are abnormal. NO The carriages are stopped at the home position and do not move. 1. Check if the connector pins are disconnected and the harnesses are short- or open-circuited. 2. Check if the conductor pattern on the SDV board is short- or open-circuited. 3. Check if the conductor pattern on the SLG board is short- or open-circuited. 4. Replace the SDV board. 5. Replace the SLG board.