Description: Developer drive motor abnormality. The developer drive motor is not rotating normally.
Causes: Developer unit Feeding/developing drive unit Paper feeding/developer unit drive motor Drum TBU drive unit LGC board 1st/2nd drawer feed roller Bypass unit Paper feeding drive section Transport roller
Remedy: Developer unit • Check if the developer material is caked. • Check if there is any abnormality in the row of gears on the rear side of the developer unit. • Check if the amount of developer material is proper. Development drive unit/Paper feeding drive unit • Check if there is any foreign matter between the gears. • Check if there is any damage on the gear tooth surface. • Check if there is any scratch on the caliber or the shaft of each gear. • Check if the proper amount of grease is applied to the caliber or the shaft of each gear. • Check if there is any damage to the developer drive output coupling. Paper feeding/developer unit drive motor • Check that the motor is rotated normally. (FS-03-112/162) • Connector check • Harness check Drum TBU drive unit • Check if there is any foreign matter in the row of the color developer drive gears. • Check if there is any damage on the tooth surface of the color developer drive gears. • Check if there is any scratch on the caliber or the shaft of each color developer drive gear. • Check if the proper amount of grease is applied to the caliber or the shaft of each color developer drive gear. • Check if there is any damage to the developer drive output coupling. LGC board • Board check • Connector check (CN327) • Harness check 1st/2nd drawer feed roller • Check if the 1st drawer feed roller is overloaded. • Check if there is any damage to the roller coupling. Bypass unit • Check if the bypass feed roller is overloaded. • Check if there is any damage to the row of the bypass unit gears. Paper feeding drive section • Check if there is any foreign matter between the gears. • Check if there is any damage on the gear tooth surface. • Check if there is any scratch on the caliber or the shaft of each gear. Transport roller • Check if the PFU transport roller is overloaded.
Code: C040
Description: PFP motor abnormality
Causes: PFP motor PFP board PFC board
Remedy: 1 Is the PFP motor working? (Perform the output check: FS-03-109/159) Yes 2 No • Check if the connector J952 of the PFP motor is disconnected. • Check if the connector CN245 on the PFP board is disconnected. • Check if the connector CN241 on the PFP board is • Check if the connector CN459 on the PFC 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 PFC 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 PFC board are short circuited or open circuited. 3 PFP board • Check if the PLL lock signal CN945-7 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. 4 PFC board • Board check • Connector check (CN459, J700) • Harness check
Remedy: 1 Does the tray go up? (Perform the output check: FS-03-242, FS-03-243) Yes 2 No • Check if the connector of the tray-up motor- 1 is disconnected (CN460, J667). • Check if the connector of the tray-up motor- 2 is disconnected (CN460, J677). • Check if the connector on the PFC board is disconnected. (CN452, CN460) • Check if the connector on the LGC board is disconnected (CN323). • 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: FS-03- [ALL]OFF/[0]/[E], FS-03- [F3]ON/[4]/[E]) Yes 3 No • Check if the connector of the 1st drawer tray-up sensor is disconnected (CN457, J673, J675). • Check if the connector of the 2nd drawer tray-up sensor is disconnected (CN457, J683, J685). • Check if the connector on the PFC board is disconnected. (CN452, CN457) • Check if the connector on the LGC board is disconnected (CN323). • 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 PFC board • Check if the conductor pattern on the PFC board is short circuited or open circuited. 4 LGC board • Check if the conductor pattern on the LGC board is short circuited or open circuited.
Causes: Tray-up motor PFP board PFC board Tray-up sensor
Remedy: 1 Does the tray go up? (Perform the output check: FS-03-278, FS-03-280) Yes 2 No • Check if the connector of the tray-up motor is disconnected. (J967, J961, CN244) • Check if any of the connectors CN241 and CN244 on the PFP board is disconnected. • Check if the connector CN459, J700 on the PFC 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 PFC board are short circuited or open circuited. 2 Is the tray-up sensor working? (Perform the input check: FS-03- [F1]ON/[5]/[A], FS-03- [F1]ON/[5]/[E]) Yes 3 No • Check if the connector of the sensor is disconnected. (CN246, J960, J965, J966, J970, J972) • Check if any of the connectors CN241 and CN246 on the PFP board is disconnected. • Check if the connector CN459, J700 on the PFC 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 PFC board are short circuited or open circuited. 3 PFC board • Check if the conductor pattern on the PFC board is short circuited or open circuited.
Remedy: 1 Does the tray move? (Perform the output check: FS-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 and CN101 on the LCF board is disconnected. • Check if the connector CN459, J700 on the PFC 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 PFC board are short circuited or open circuited. 2 Are the LCF tray-up sensor and LCF tray bottom sensor working? (Perform the input check: FS-03-[F1]ON/[8]/[A], FS- 03-[F1]ON/[8]/[E]) Yes 3 No • Check if the connectors of the sensors are disconnected. (CN2, CN20, CN200, CN205, CN6, CN64) • Check if any of the connectors CN100 and CN101 on the LCF board is disconnected. • Check if the connector CN459, J700 on the PFC 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 PFC board are short circuited or open circuited. 3 PFC board • Check if the conductor pattern on the PFC board is short circuited or open circuited.
Code: C1A0
Description: LCF end fence motor abnormality
Causes: LCF end fence motor LCF board PFC 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: FS-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 and CN101 on the LCF board is disconnected. • Check if the connector CN459, J700 on the PFC board is disconnected. • Check if the connector pins are disconnected or the harnesses are open circuited. • Check if the conductor patterns on the PFC 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: FS-03-[F1]ON/[8]/[H], FS- 03-[F1]ON/[8]/[G]) Yes 3 No • Check if the connectors of the sensors are disconnected. (CN4, CN40, CN400, CN402, CN403) • Check if either of the connectors CN100 or CN107 on the LCF board is disconnected. • Check if the connector CN459, J700 on the PFC 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 PFC board are short circuited or open circuited. 3 PFC board • Check if the conductor pattern on the PFC board is short circuited or open circuited.
Code: C1B0
Description: 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 PFC board
Remedy: 1 Is the LCF transport motor working? (Perform the output check: FS-03-122/ 172) Yes 2 No • Check if the connector CN3, CN30 of the LCF transport motor 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 CN459, J700 on the PFC board is disconnected. • 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 PFC board are short circuited or open circuited. 2 LCF transport motor PFC 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 PFC 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
Causes: Lens unit SYS board Exposure lamp Power supply harness
Remedy: 1 Does the exposure lamp light? (Perform the output check: FS-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. 1. Check that the lens is reflected in the mirror looking at carriage-1 from the upper position. 2. Check that the mirror is secured at the leaf spring. Carriage 1. Check if the carriage is tilted by moving it to the left stopping point. 2. Check if the wire fixing screw is loosened. 3. Check if the movement of the carriage is unstable due to disengagement of the carriage roller. Exposure lamp 1. Check if the exposure lamp is correctly lit. 2. Check if the harness is connected properly to the exposure lamp connector. (CN123, CN010) 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. (CN120, CN001) 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 (CN120, CN123) is connected properly. 2. Check if the mounted parts on the SYS board are damaged or abnormal. 3. Check if the power is output. 3 SYS board 1. Check if the supply cable is connected properly to the connector (CN105). 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. (CN123, CN010) 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 (CN105) is abnormal. 2. Check if the harness is scratched or open circuited.
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