Description: LCF tray-up motor abnormality: The LCF tray- up motor is not rotating or the LCF tray is not moving normally. (the case that paper can be fed from any drawer except the LCF)
Remedy: 1 Does the tray move? (Perform the output check: 03-271) Yes 2 No • Check if the connector of the LCF tray-up motor is disconnected. (CN5, CN50) • Check if any of the connectors CN100, CN101 and CN103 on the LCF board is disconnected. • Check if the connector CN371 on the LGC board is disconnected. • Check if the connector pins are disconnected or the harnesses are open circuited. • Check if the conductor patterns on the LCF board and LGC board are short circuited or open circuited. 2 Are the LCF tray-up sensor and LCF tray bottom sensor working? (Perform the input check: 03-[COPY]ON/[8]/[A], 03-[COPY]ON/[8]/[E]) Yes 3 No • Check if the connectors of the sensors are disconnected. (CN6, CN63, CN64) • Check if any of the connectors CN100, CN104 and CN105 on the LCF board is disconnected. • Check if the connector CN371 on the LGC board is disconnected. • Check if the slit reaches the sensors. • Check if the connector pins are disconnected or the harnesses are open circuited. • Check if the conductor patterns on the LCF board and LGC board are short circuited or open circuited. 3 LGC board • Check if the conductor pattern on the LGC board is short circuited or open circuited.
Code: C1A0
Description: LCF end fence motor abnormality: The LCF end fence motor is not rotating or the LCF end fence is not moving normally. (the case that paper can be fed from any drawer except the LCF)
Causes: LCF end fence motor LCF board LGC board LCF end fence home position sensor LCF end fence stop position sensor
Remedy: 1 Is the LCF end fence motor working? (Perform the output check: 03-207) Yes 2 No • Check if the connector of the LCF end fence motor is disconnected. (CN5, CN51) • Check if any of the connectors CN100, CN101 and CN103 on the LCF board is disconnected. • Check if the connector CN371 on the LGC board is disconnected. • Check if the connector pins are disconnected or the harnesses are open circuited. • Check if the conductor patterns on the LCF board and LGC board are short circuited or open circuited. 2 Are the LCF end fence home/stop position sensors working? (Perform the input check: 03-[COPY]ON/[8]/[H], 03- [COPY]ON/[8]/[G]) Yes 3 No • Check if the connectors of the sensors are disconnected. (CN4, CN40, CN400, CN403) • Check if either of the connectors CN100 or CN107 on the LCF board is disconnected. • Check if the connector CN371 on the LGC board is disconnected. • Check if the slit reaches the sensors. • Check if the connector pins are disconnected or the harnesses are open circuited. • Check if the conductor patterns on the LCF board and LGC board are short circuited or open circuited. 3 LGC board • Check if the conductor pattern on the LGC board is short circuited or open circuited.
Code: C1B0
Description: LCF transport motor abnormality: The LCF transport motor is not rotating normally (when paper can be fed from any drawer except the LCF).
Causes: LCF transport motor LCF board LGC board
Remedy: 1 Is the LCF transport motor working? (Perform the output check: 03-122/172) Yes 2 No • Check if the connector CN3, CN30 of the LCF transport motor is disconnected. • Check if the connector CN102 on the LCF board is disconnected. • Check if the signal line connector CN100 on the LCF board is disconnected. • Check if the power line connector CN101 on the LCF board is disconnected. • Check if the connector CN371 on the LGC board is disconnected. • Check if the connector pins are disconnected or the harnesses are open circuited. • Check if the connector pins are disconnected or the harnesses are open circuited. 2 LCF transport motor LGC board • Check if the connector pins are disconnected or the harnesses are open circuited. • Check if the conductor patterns on the LCF transport motor board, LCF board and LGC board are short circuited or open circuited. • Check if the PLL lock signal CN102-3 pin output from the LCF board is always “L” level. • Check if the voltage supplied to the microcomputer input terminal IC103-17 pin is always “L” level.
Code: C260
Description: Peak detection error: Lighting of the exposure lamp (white reference) is not detected when power is turned ON, or communication error with CCD board.
Causes: Lens unit SYS board Exposure lamp Power supply harness
Remedy: 1 Does the exposure lamp light? (Perform the output check: 03-267) Yes It is lit. 2 No It is not lit. 3 2 Shading correction plate Check if there is any scratch or stain on the shading correction plate. Mirror Check if the mirror is tilted. • Check that the lens is reflected in the mirror looking at carriage-1 from the upper position. • Check that the mirror is secured at the leaf spring. Exposure lamp 1. Check if the exposure lamp is correctly lit. 2. Check if the harness is connected properly to the exposure lamp connector. 3. When the carriage is driven, check if the harness interferes with it or parts are caught in it. CCD board / Lens unit 1. Check if the connector of the CCD board is connected properly. 2. Check if the CCD board is installed properly. (Check that the lens unit is not tilted or the screw is securely tighten.) SYS board 1. Check if the connector of the SYS board (CN122, CN126) is connected properly. 2. Check if the mounted parts on the SYS board are damaged or abnormal. 3. Check if 10 V is output from the power supply for CCD. (CN122-1pin). 3 SYS board 1. Check if the supply cable is connected properly to the connector (CN127). 2. Check if the mounted parts on the SYS board are damaged or abnormal. Exposure lamp 1. Check if the harness of the exposure lamp is connected to the LED light source properly. 2. Check if the exposure lamp is scratched or damaged. 3. Check if the exposure lamp harness comes off the board. Power supply harness 1. Check if wiring of the power supply harness (CN127) is abnormal. 2. Check if the harness is scratched or open circuited.
Code: C270
Description: Carriage home position sensor not turning OFF within a specified period of time: The carriage does not shift from its home position in a specified time.
Causes: Carriage home position sensor Carriage home position sensor harness SYS board Scan motor Scan motor harness
Remedy: 1 Carriage locking Check if the carriage locking screw for packaging is attached. 2 Carriage home position sensor 1. Check if the harness of the carriage home position sensor is connected properly. 2. Check if the harness is caught or open circuited. 3 SYS board 1. Check if the connector of the SYS board (CN121, CN125, CN127) is connected properly. 2. Check if the mounted parts on the SYS board are damaged or abnormal. 3. Check if 24 V (CN127) on the SYS board is short circuited. 4. Check if 24 V is supplied to the SYS board (CN127). 4 Scan motor 1. Check if the belt tension is loosened. 2. Check if the motor fixing screw is loosened. 3. Check if the carriage wire and the timing belt come off. 4. Check if the connector (J007/J125) is connected to the motor properly. 5. Check if the harness of the motor is caught or open circuited.
Code: C280
Description: Carriage home position sensor not going ONwithin a specified time
Causes: Carriage home position sensor Carriage home position sensor harness SYS board Scan motor Scan motor harness
Remedy: 1 Carriage locking Check if the carriage locking screw for packaging is attached. 2 Carriage hole position sensor 1. Check if the harness is properly connected to the sensor. 2. Check if the harness is caught or open circuited. 3 SYS board 1. Check if the harness (J002/J121) of the carriage home position sensor is connected properly. 2. Check if the mounted parts on the SYS board are damaged or abnormal. 3. Check if 24 V (CN127) on the SYS board is short circuited. 4. Check if 24 V is supplied to the SYS board (CN127). 4 Scan motor 1. Check if the belt tension is loosened (if the motor screw is loosened). 2. Check if the carriage wire and the timing belt come off. 3. Check if the connector (J007/J125) is connected to the motor properly. 4. Check if the harness of the motor is caught or open circuited.