Remedy: 1 Is the PFP motor working? (Perform the output check: 03-109/159) Yes 2 No • Check if the signal line connector CN503 of the PFP motor is disconnected. • Check if the power line connector CN502 of the PFP motor is disconnected. • Check if the connector CN246 on the PFP board is disconnected. • Check if the signal line connector CN241 on the PFP board is • Check if the power line connector CN242 on the PFP board is disconnected. • Check if the connector CN349 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 PFP motor board, PFP board and LGC board are short circuited or open circuited. 2 Is the LED on the PFP motor board lit without flashing? Yes 3 No • Check if the connector pins are disconnected or the harnesses are open circuited. • Check if the conductor patterns on the PFP motor board, PFP board and LGC board are short circuited or open circuited. 3 PFP board • Check if the PLL lock signal CN246-8 pin output from the PFP board is always “L” level. • Check if the voltage supplied to the microcomputer input terminal IC5-17 pin is always “L” level.
Remedy: 1 Does the tray go up? (Perform the output check: 03-242, 243) Yes 2 No • Check if the connector of the tray-up motor is disconnected. • Check if the connector CN348 on the LGC board is disconnected. • Check if the connector pins are disconnected or the harnesses are open circuited. • Check if the conductor pattern on the LGC board is short circuited or open circuited. 2 Is the tray-up sensor working? (Perform the input check: 03-[ALL]OFF/ [4]/[B], /[4]/[A]) Yes 3 No • Check if the connector of the sensor is disconnected. • Check if the connector CN348 on the LGC board is disconnected. • Check if the slit reaches the sensor. • Check if the connector pins are disconnected or the harnesses are open circuited. • Check if the conductor pattern on the LGC board is short circuited or open circuited. 3 LGC board • Check if the conductor pattern on the LGC board is short circuited or open circuited.
Causes: Tray-up motor PFP board LGC board Tray-up sensor
Remedy: dure Check item Result Measure Next Step 1 Does the tray go up? (Perform the output check: 03-278, 280) Yes 2 No • Check if the connector of the tray-up motor is disconnected. • Check if any of the connectors CN241, CN242 and CN244 on the PFP board is disconnected. • Check if the connector CN349 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 PFP board and LGC board are short circuited or open circuited. 2 Is the tray-up sensor working? (Perform the input check: 03-[ALL]OFF/ [4]/[B], /[4]/[A]) Yes 3 No • Check if the connector of the sensor is disconnected. • Check if any of the connectors CN241, CN247 and CN248 on the PFP board is disconnected. • Check if the connector CN349 on the LGC board is disconnected. • Check if the slit reaches the sensor. • Check if the connector pins are disconnected or the harnesses are open circuited. • Check if the conductor patterns on the PFP 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.
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. • Check if any of the connectors CN100, CN101 and CN103 on the LCF board is disconnected. • Check if the connector CN349 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-[ALL]OFF/[0]/[F], /[9]/ [A]) Yes 3 No • Check if the connectors of the sensors are disconnected. • Check if any of the connectors CN100, CN104 and CN105 on the LCF board is disconnected. • Check if the connector CN349 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
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. • Check if any of the connectors CN100, CN101 and CN103 on the LCF board is disconnected. • Check if the connector CN349 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-[ALL]OFF/[0]/[A], /[0]/ [B]) Yes 3 No • Check if the connectors of the sensors are disconnected. • Check if either of the connectors CN100 or CN107 on the LCF board is disconnected. • Check if the connector CN349 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 CN112 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 CN349 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.