Ricoh MP C4504 / MP C5504 / MP C6004 Service Call 501 - 584

20 febrero 2020 Troubleshooting

SC500 (Engine: Paper transport 1: Paper Feed, Duplex, Transport)

SC501-01

Type: B Error Name: 1st Tray Lift Error
Error Condition: The 1st tray lift motor error detection count reaches 3. (Up to 2, reset is displayed)

Major Cause:

• 1st tray limit sensor connector missing, malfunction, dirt
• 1st tray lift motor connector missing, disconnection, malfunction.
• Foreign matter, such as paper scrap, is caught between the paper feed tray and the tray lift motor.
• Paper set fault

Solution:

• Reset the paper.
• Remove the foreign matter. 1st tray limit sensor, 1st tray lift motor
• Check the harness.
• Reset the connector.
• Replacement 1st paper feed unit, 1st tray
• Replacement Paper transport IOB
• Replacement

SC501-02

Type: B Error Name: 1st Tray Lowering Error
Error Condition: The 1st tray descent motor error detection count reaches 5. (Up to 4, reset is displayed.)

Major Cause:

• 1st tray limit sensor connector missing, malfunction, dirt
• 1st tray lift motor connector missing, disconnection, malfunction
• Foreign matter, such as paper scrap, is caught between the paper feed tray and the tray lift motor.
• Paper set fault
• Paper overload

Solution:

• Reset the paper.
• Remove the foreign matter. 1st tray limit sensor, 1st tray lift motor
• Check the harness.
• Reset the connector.
• Replacement 1st paper feed unit, 1st tray
• Replacement Paper transport IOB
• Replacement

SC502-01

Type: B Error Name: 2nd Tray Lift Error
Error Condition: The 2nd tray lift motor error detection count reaches 3.
(Up to 2, reset is displayed.)

Major Cause:

• 2nd tray limit sensor connector missing, malfunction, dirt
• 2nd tray lift motor connector missing, disconnection, malfunction
• Foreign matter, such as paper scrap, is caught between the paper feed tray and the tray lift motor
• Paper set fault

Solution:

• Reset the paper.
• Remove the foreign matter. 2nd tray limit sensor, 2nd tray lift motor
• Check the harness.
• Reset the connector.
• Replacement 2nd paper feed unit, 2nd tray
• Replacement Paper transport IOB
• Replacement

SC502-02

Type: B Error Name: 2nd Tray Lowering Error
Error Condition: The detection count of 2nd tray descent motor descent errors reaches a total of 5.
(Up to 4, reset is displayed.)

Major Cause:

• The 2nd paper feed tray limit sensor connector missing, malfunction, and dirt
• 2nd tray lift motor connector missing, disconnection, malfunction
• Foreign matter, such as paper scrap, is caught between the paper feed tray and the tray lift motor
• Paper set fault
• Paper overload

Solution:

• Reset the paper.
• Remove the foreign matter. 2nd tray limit sensor, 2nd tray lift motor
• Check the harness.
• Reset the connector.
• Replacement 2nd paper feed unit, 2nd tray
• Replacement Paper transport IOB
• Replacement

SC503-01

Type: B Error Name: 3rd Tray Lift Error (single bank)
Error Condition: • Lift motor ascent error detection During tray initialization (upper limit not detected/lower limit detection), the tray base plate is raised to check the tray base plate position, and the limit sensor is not detected although a predetermined time elapsed, for 3 times consecutively.
(Up to 2 times consecutively, the bank transmits a «tray set fault» to the main machine.)

Major Cause:

• Lift motor error/connector missing
• Limit sensor error/connector missing
• Harness broken
• Bank control board defective
• Foreign matter, such as paper scrap, is caught between the paper feed tray and the tray lift motor
• Paper set fault

Solution:

• Reset the paper.
• Remove the foreign matter.
• Replace the motor.
• Reset the connector.
• Replace the harness.
• Replace the sensor.
• Replace the control board for the optional paper feed tray.
• Replace the tray.
• Replace the paper feed roller.
• Replace the pick-up arm.

SC503-02

Type: B Error Name: 3rd Tray Lowering Error (single bank)
Error Condition: Lift motor descent error detection
During tray initialization, the tray base plate is lowered to check the tray base plate position, and the limit sensor is detected although a predetermined time elapsed, for 3 times consecutively. (Up to 2 times consecutively, the bank transmits a «tray set fault» to the main machine.)

Major Cause:

• Lift motor error/connector missing
• Limit sensor error/connector missing
• Harness broken
• Bank control board defective
• Paper overload
• Foreign matter, such as paper scrap, is caught between the paper feed tray and the tray lift motor
• Paper set fault

Solution:

• Reset the paper.
• Remove the foreign matter.
• Replace the motor.
• Reset the connector.
• Replace the harness.
• Replace the sensor.
• Replace the control board for the optional paper feed tray.
• Replace the tray.
• Replace the paper feed roller.
• Replace the pick-up arm.

SC503-11

Type: B Error Name: 3rd Tray Lift Error (double bank, upper tray)
Error Condition: Lift motor ascent error detection
During tray initialization (upper limit not detected/lower limit detection), the tray base plate is raised to check the tray base plate position, and the limit sensor is not detected although a predetermined time elapsed, for 3 times consecutively. (Up to 2 times consecutively, the bank transmits a «tray set fault» to the main machine.)

Major Cause:

• Lift motor error/connector missing
• Limit sensor error/connector missing
• Harness broken
• Bank control board defective
• Foreign matter, such as paper scrap, is caught between the paper feed tray and the tray lift motor
• Paper set fault

Solution:

• Reset the paper.
• Remove the foreign matter.
• Replace the motor.
• Reset the connector.
• Replace the harness.
• Replace the sensor.
• Replace the control board for the optional paper feed tray.
• Replace the tray.
• Replace the paper feed roller.
• Replace the pick-up arm.

SC503-12

Type: B Error Name: 3rd Tray Lowering Error (double bank, upper tray)
Error Condition: Lift motor descent error detection
During tray initialization, the tray base plate is lowered to check the tray base plate position; the limit sensor is detected although a predetermined time elapsed, for 3 times consecutively.
(Up to 2 times consecutively, the bank transmits a «tray set fault» to the main machine.)

Major Cause:

• Lift motor error/connector missing
• Limit sensor error/connector missing
• Harness broken
• Bank control board defective
• Paper overload
• Foreign matter, such as paper scrap, is caught between the paper feed tray and the tray lift motor
• Paper set fault

Solution:

• Reset the paper.
• Remove the foreign matter.
• Replace the motor.
• Reset the connector.
• Replace the harness.
• Replace the sensor.
• Replace the control board for the optional paper feed tray.
• Replace the tray.
• Replace the paper feed roller.
• Replace the pick-up arm.

SC503-31

Type: B Error Name: 3rd Tray Lift Error (LCIT)
Error Condition: Upper limit detection error (during descent)
During tray initialization (upper limit detection/lower limit not detected), the tray base plate is lowered to check the tray base plate position, and the limit sensor is detected although a predetermined time elapsed, for 3 times consecutively.
• Upper limit detection error (during ascent) During tray initialization (upper limit not detected/lower limit detection), the tray base plate is raised to check the tray base plate position, and the limit sensor is not detected although a predetermined time elapsed, for 3 times consecutively.
(Up to 2 times consecutively, LCIT transmits «tray set fault» to the main machine.)

Major Cause:

• Lift motor error/connector missing
• Limit sensor error/connector missing
• Harness broken
• Bank control board defective
• Foreign matter, such as paper scrap, is caught between the right tray and the tray lift motor
• Paper set fault
• Timing belt damage/dropout
• Timing pulley damage/dropout
• Base plate damage/horizontality fault
• Paper feed roller missing item
• Pickup arm damage
• Foreign matter, such as paper scrap, is caught inside the right tray

Solution:

• Reset the paper.
• Remove the foreign matter.
• Replace the motor.
• Reset the connector.
• Replace the harness.
• Replace the sensor.
• Replace the control board for the optional paper feed tray.
• Replace the tray.
• Replace the paper feed roller.
• Replace the pick-up arm.
• Replace the timing belt.
• Replace the timing pulley.
• Replace the base plate.

SC503-32

Type: B Error Name: 3rd Tray Lowering Error (LCIT)
Error Condition: • Lower limit detection error (during descent)
During tray initialization (upper limit not detected/lower eject limit detection), the tray base plate is lowered to check the tray base plate position, and the lower limit sensor is not detected although a predetermined time elapsed. Alternatively, at paper end, the tray base plate is lowered, but the lower limit sensor is not detected although a predetermined time elapsed.
• Lower limit error (during ascent)
During tray initialization (upper limit eject detection/lower limit detection), the tray base plate is raised to check the tray base plate position, and the lower limit sensor is detected although a predetermined time elapsed.
*If an error occurs 3 times consecutively: LCIT transmits «3rd tray lower limit detection error» to the main machine. Up to 2 times consecutively, LCIT transmits «tray set fault» to the main machine.

Major Cause:

• Lift motor error/connector missing
• Lower limit sensor error/connector missing
• Harness broken
• Bank control board defective
• Foreign matter, such as paper scrap, is caught between the right tray and the tray lift motor
• Paper set fault
• Timing belt damage/dropout
• Timing pulley damage/dropout
• Base plate damage/horizontality fault
• Foreign matter, such as paper scrap, is caught inside the right tray

Solution:

• Reset the paper.
• Remove the foreign matter.
• Replace the motor.
• Reset the connector.
• Replace the harness.
• Replace the sensor.
• Replace the control board for the optional paper feed tray.
• Replace the tray.
• Replace the timing belt.
• Replace the timing pulley.
• Replace the base plate.

SC503-33

Type: B Error Name: 3rd Tray Paper Overload Error (LCIT)
Error Condition: During tray initialization, both the upper limit and lower limit are detected 3 times consecutively.
(Up to 2 times consecutively, LCIT transmits «tray set fault» to the main machine.)

Major Cause:

• Paper overload
• Paper set fault
• Limit sensor error/connector missing
• Lower limit sensor error/connector missing
• Harness broken
• Bank control board defective
• Foreign matter, such as paper scrap, is caught inside the right tray

Solution:

• Reset the paper.
• Remove the foreign matter.
• Reset the connector.
• Replace the harness.
• Replace the sensor.
• Replace the control board for the optional paper feed tray.

SC503-34

Type: B Error Name: 3rd Tray Paper Position Error (LCIT)
Error Condition: During left/right tray set, or when power is switched ON, or when transfer is complete, «open» is detected 3 times consecutively by end fence open/close detection.
(Up to 2 times consecutively, LCIT transmits «tray set fault» to the main machine.)

Major Cause:

• Paper set fault (paper is offset from position for pushing end fence)
• Foreign matter entry (foreign matter is caught in the position for pushing end fence)
• End fence open/close sensor error/connector missing
• Harness broken
• Bank control board defective

Solution:

• Reset the paper.
• Remove the foreign matter.
• Reset the connector.
• Replace the harness.
• Replace the sensor.
• Replace the control board for the optional paper feed tray.

SC503-35

Type: B Error Name: 3rd Tray Transfer Error (LCIT)
Error Condition: • Transfer end detection error
At right tray paper end (right tray lower limit detection, left tray paper detection), left tray paper is transferred to the right tray, but the left tray paper sensor is detected although a predetermined time elapsed (transfer paper missing is not detected), for 3 times consecutively.
(Up to 2 times consecutively, LCIT transmits «tray set fault» to the main machine.)

Major Cause:

• Transfer motor error/connector missing
• Left tray paper sensor error/connector missing
• Harness broken
• Bank control board defective
• Paper overload
• Foreign matter, such as paper scrap, is caught between the left tray and the tray transfer motor
• Paper set fault
• Timing belt damage/dropout
• Timing pulley damage/dropout
• Transfer fence defective
• Foreign matter, such as paper scrap, is caught inside the left tray

Solution:

• Transfer motor error/connector missing
• Left tray paper sensor error/connector missing
• Harness broken
• Bank control board defective
• Paper overload
• Foreign matter, such as paper scrap, is caught between the left tray and the tray transfer motor
• Paper set fault
• Timing belt damage/dropout
• Timing pulley damage/dropout
• Transfer fence defective
• Foreign matter, such as paper scrap, is caught inside the left tray

SC503-36

Type: B Error Name: 3rd Tray Transfer HP Error (LCIT)
Error Condition: • HP detection error (during transfer start)
At right tray paper end (right tray lower limit detection, left tray paper detection), left tray paper is transferred to the right tray, but the left tray transfer fence HP sensor is detected although a predetermined time elapsed (HP sensor missing cannot be detected).
• HP detection error (during transfer fence HP return)
During left tray transfer fence HP not detected (stop after paper transfer, during power supply ON, during left tray set), the left tray transfer fence is moved to HP, but the left tray HP sensor is not detected although a predetermined time elapsed.
*If an error occurs 3 times consecutively: LCIT transmits «3rd paper feed tray transfer HP error» to the main machine.
(Up to 2 times consecutively, LCIT transmits «tray set fault» to the main machine.)

Major Cause:

• Transfer motor error/connector missing
• Left tray transfer fence HP sensor error/connector missing
• Harness broken
• Bank control board defective
• Paper overload
• Foreign matter, such as paper scrap, is caught between the left tray and the tray transport motor
• Paper set fault
• Timing belt damage/dropout
• Timing pulley damage/dropout
• Transfer fence defective
• Foreign matter, such as paper scrap, is caught inside the left tray

Solution:

• Replace the motor.
• Reset the connector.
• Replace the harness.
• Replace the sensor.
• Replace the control board for the optional paper feed tray.
• Reset the paper.
• Remove the foreign matter.
• Replace the tray.
• Replace the timing belt.
• Replace the timing pulley.
• Replace the end fence of the left tray.

SC504-21

Type: B Error Name: 4th Tray Lift Error (double bank, lower tray)
Error Condition: • Lift motor ascent error detection
During tray initialization (upper limit not detected/lower limit detection), the tray base plate is raised to check the tray base plate position, but the limit sensor is not detected although a predetermined time elapsed, for 3 times consecutively.
(Up to 2 times consecutively, the bank transmits a «tray set fault» to the main machine.)

Major Cause:

• Lift motor error/connector missing
• Limit sensor error/connector missing
• Harness broken
• Bank control board defective
• Foreign matter, such as paper scrap, is caught between the paper feed tray and the tray lift motor
• Paper set fault

Solution:

• Reset the paper.
• Remove the foreign matter.
• Replace the motor.
• Reset the connector.
• Replace the harness.
• Replace the sensor.
• Replace the control board for the optional paper feed tray.
• Replace the tray.
• Replace the paper feed roller.
• Replace the pick-up arm.

SC504-22

Type: B Error Name: 4th Tray Lowering Error (double bank, lower tray)
Error Condition: • Lift motor descent error detection
During tray initialization, the tray base plate is lowered to check the tray base plate position, but the limit sensor is detected although a predetermined time elapsed, for 3 times consecutively.
(Up to 2 times consecutively, the bank transmits a «tray set fault» to the main machine.)

Major Cause:

• Lift motor error/connector missing
• Limit sensor error/connector missing
• Harness broken
• Bank control board defective
• Paper overload
• Foreign matter, such as paper scrap, is caught between the paper feed tray and the tray lift motor
• Paper set fault

Solution:

• Reset the paper.
• Remove the foreign matter.
• Replace the motor.
• Reset the connector.
• Replace the harness.
• Replace the sensor.
• Replace the control board for the optional paper feed tray.
• Replace the tray.
• Replace the paper feed roller.
• Replace the pick-up arm.

SC505-41

Type: B Error Name: Side LCIT Limit Detection Error
Error Condition: • Upper limit detection error (during descent)
During tray initialization (upper limit detection/lower limit not detected), the tray base plate is lowered to check the tray base plate position, but the limit sensor is detected although a predetermined time elapsed.
• Upper limit detection error (during ascent)
During tray initialization (upper limit not detected /lower limit detection), the tray base plate is raised to check the tray base plate position, but the limit sensor is not detected although a predetermined time elapsed.
*If an error occurs for 3 times consecutively: the side LCIT transmits a «5th paper feed tray upper limit detection error» to the main machine. Up to 2 times consecutively, the side LCIT transmits a «tray set fault» to the main machine.

Major Cause

• Lift motor error/connector missing
• Limit sensor error/connector missing
• Harness broken
• Bank control board defective
• Paper set fault
• Timing belt damage/dropout
• Timing pulley damage/dropout
• Base plate damage/horizontality fault
• Paper feed roller missing item
• Pickup arm defective
• Foreign matter, such as paper scrap, is caught inside the tray

Solution:

• Reset the paper.
• Remove the foreign matter.
• Replace the motor.
• Reset the connector.
• Replace the harness.
• Replace the sensor.
• Replace the control board for the optional side LCT.
• Replace the tray.
• Replace the paper feed roller.
• Replace the pick-up arm.
• Replace the timing belt.
• Replace the timing pulley.
• Replace the base plate.

SC505-42

Type: B Error Name: Side LCIT Lower Limit Detection Error
Error Condition: • Lower limit detection error (during descent)
During tray initialization (upper limit not detected /lower limit eject detection), the tray base plate is lowered to check the tray base plate position, but the lower limit sensor is not detected although a predetermined time elapsed.
Alternatively, at paper end, the tray base plate is lowered, but the lower limit sensor is not detected although a predetermined time elapsed.
• Lower limit detection error (during ascent)
During tray initialization (upper limit not detected/lower limit detection), the tray base plate is raised to check the tray base plate position, but the lower limit sensor is detected although a predetermined time elapsed.
*If an error occurs for 3 times consecutively: the side LCIT transmits a «5th paper feed tray upper limit detection error» to the main machine.
Up to 2 times consecutively, the side LCIT transmits a «tray set fault» to the main machine.

Major Cause

• Lift motor error/connector missing
• Lower limit sensor error/connector missing
• Harness broken
• Bank control board defective
• Paper set fault
• Timing belt damage/dropout
• Timing pulley damage/dropout
• Base plate damage/horizontality fault
• Foreign matter, such as paper scrap, is caught inside the tray

Solution:

• Reset the paper.
• Remove the foreign matter.
• Replace the motor.
• Reset the connector.
• Replace the harness.
• Replace the sensor.
• Replace the control board for the optional side LCT.
• Replace the tray.
• Replace the timing belt.
• Replace the timing pulley.
• Replace the base plate.

SC505-43

Type: B Error Name: Side LCIT Paper Overload Error
Error Condition: During tray initialization, both the upper limit and lower limit are detected for 3 times consecutively (up to 2 times consecutively, the side LCIT transmits a «tray set fault» to the main machine).

Major Cause

• Paper overload
• Paper set fault
• Limit sensor error/connector missing
• Lower limit sensor error/connector missing
• Harness broken
• Bank control board defective
• Foreign matter, such as paper scrap, is caught inside the tray

Solution:

• Reset the paper.
• Remove the foreign matter.
• Reset the connector.
• Replace the harness.
• Replace the sensor.
• Replace the control board for the optional side LCT.

SC509-00

Type: B Error Name: SI By-pass Side Fence Drive Motor Error
Error Condition: SI by-pass tray performs control to drive the side fence, and bring it against the paper.
If the drive does not stop after the maximum drive time set for each operation mode, the error is detected.
1. Side fence contact operation
• Drive stop trigger: One side of the fence will be a non-contact state.
• Maximum drive time: 1350 msec
• Side fence drive motor: CW

2.Side fence pushing operation
• Drive stop trigger: Both of the fences will be a contact state.
• Maximum drive time: 4200 msec
• Side fence drive motor: CCW
If the error is detected, a message is displayed «after re-set the paper size in the paper can be pulled through the paper. Should fit the paper guide
plate» that. Accumulated count of error detection are 3 (CW) or 13 (CCW), the SC is displayed on the operation panel.
In addition, the accumulated count is reset under the following conditions.
a Turn the power off/on
b If the by-pass side fence is back correct adjustment
c Return from sleep

Major Cause

• SI by-pass side fence drive motor connector missing, error, step out
• SI by-pass side fence paper contact sensor connector missing, error
• by-pass paper end sensor error

Solution

• SI by-pass side fence drive motor connector reset or replacement
• SI by-pass side fence paper contact sensor (front, rear) connector reset or replacement
• SI by-pass paper end sensor connector reset or replacement

SC511-00

Type: C Error Name: Paper Thickness Sensor Error
Error Condition: During initial calibration of the paper thickness sensor, the sensor output value does not become the correct value although 3 or more retries are performed.

Major Cause

• Paper thickness sensor harness disconnection/connector missing
• Dirt on the paper thickness sensor due to paper powder or dust, etc.
• Foreign matter adhesion to paper thickness detection unit (1st transport roller)

SC520-01

Type: C Error Name:  Registration Motor: Lock

SC520-02

Type: C Error Name: Paper feed Motor: Lock

SC520-03

Type: C Error Name: Transport Motor: Lock
Error Condition: During motor ON, after checking the motor error notification registers (err_velo and err_posi) for 500msec, the error state of either register was detected at least 5 times.

Major Cause

• Motor defective
• Connector disconnected
• Harness broken
• IOB defective
• Encoder defective

Solution

• Replace the motor.
• Reset the connector.
• Replace the harness.
• Replace the IOB.

SC521-01

Type: C Error Name: Duplex Entrance Motor: Lock

SC521-02

Type: C Error Name: Duplex By-pass Motor: Lock
Error Condition: During motor ON, after checking the motor error notification registers (err_velo and err_posi) for 500msec, the error state of either register was detected at least 5 times.

Major Cause

• Motor defective
• Connector disconnected
• Harness broken
• IOB defective
• Encoder defective

Solution

• Replace the motor.
• Reset the connector.
• Replace the harness.
• Replace the IOB.

SC522-00

Type: C Error Name: Paper Exit Motor: Lock
Error Condition: During motor ON, after checking the motor error notification registers (err_velo and err_posi) for 500msec, the error state of either register was detected at least 5 times.

Major Cause

• Motor defective
• Connector disconnected
• Harness broken
• IOB defective
• Encoder defective

Solution

• Replace the motor.
• Reset the connector.
• Replace the harness.
• Replace the IOB.

SC530-00

Type: D Error Name: Fusing Exhaust Heat Fan Lock
Error Condition: In the motor ON state, the value of the lock sensor is checked every 100msec.
If a lock signal is not obtained for 50 times consecutively.

Major Cause

• Motor defective
• Connector disconnected
• Harness broken
• IOB defective

Solution

• Replace the fusing exhaust heat fan.
• Reset the connector.
• Replace the harness.
• Replace the IOB.

SC531-01

Type: D Error Name: Development Intake Fan/Right Lock

SC531-02

Type: D Error Name:  Development Intake Fan/Left Lock

SC531-03

Type: D Error Name: Fusing Exhaust Heat Fan Lock
Error Condition: In the motor ON state, the value of the lock sensor is checked every 100msec.
If a lock signal is not obtained for 50 times consecutively

Major Cause

• Motor defective
• Connector disconnected
• Harness broken
• IOB defective

Solution

• Replace the development intake fan/right for SC531-01, development intake fan/left for SC531-02 or drive cooling fan for SC531-03.
• Reset the connector.
• Replace the harness.
• Replace the IOB.

SC533-01

Type: D Error Name:  PSU Exhaust Heat Fan Lock

SC533-03

Type: D Error Name: PSU Cooling Fan Lock

SC533-04

Type: D Error Name: Controller Box Cooling Fan Lock
Error Condition: In the motor ON state, the value of the lock sensor is checked every 100msec. If a lock signal is not obtained for 50 times consecutively.

Major Cause

• Motor defective
• Connector disconnected
• Harness broken
• IOB defective

Solution

• Replace the PSU exhaust fan for SC533-01, PSU cooling fan for SC533-04 or controller box cooling fan for SC533-04.
• Reset the connector.
• Replace the harness.
• Replace the IOB.

SC534-01

Type: D Error Name:  Main Exhaust Fan Lock

SC534-02

Type: D Error Name:  Toner Supply Cooling Fan Lock

SC534-03

Type: D Error Name: Ozone Exhaust Fan Lock
Error Condition: In the motor ON state, the value of the lock sensor is checked every 100msec.
If a lock signal is not obtained for 50 times consecutively.

Major Cause

• Motor defective
• Connector disconnected
• Harness broken
• IOB defective

Solution

• Replace the development intake fan/right for SC531-01, development intake fan/left for SC531-02 or drive cooling fan for SC531-03.
• Reset the connector.
• Replace the harness.
• Replace the IOB.

SC535-00

Type: D Error Name: Paper Exit Cooling Fan Lock
Error Condition: In the motor ON state, the value of the lock sensor is checked every 100msec.
If a lock signal is not obtained for 50 times consecutively.

Major Cause

• Motor defective
• Connector disconnected
• Harness broken
• IOB defective

Solution

• Replace the paper exit cooling fan.
• Reset the connector.
• Replace the harness.
• Replace the IOB.

SC540-00

Type: D Error Name: Fusing Motor: Lock
Error Condition: During motor ON, after checking lock signals for 2sec, a High level was detected at least 20 times.

Major Cause

• Motor defective
• Connector disconnected
• Harness broken
• IOB defective
• Unit torque increased

Solution

• Replace the fusing motor.
• Reset the connector.
• Replace the harness.
• Replace the IOB.

SC541-01

Type: A Error Name: Fusing Central Thermopile Disconnection Error Condition: Below -50 degrees C (or below CB) is detected for (t11) seconds continuously.

Major Cause

• disconnection
• Connector disconnected

Solution

• Replace the thermopile.
• Reset the connector.
• Replace the connector.

SC541-02

Type: A Error Name: Central NC Sensor Disconnection
Error Condition: 3ED – 3FF (FB voltage: 3.243V-3.300V) is detected for (t13) seconds continuously (NC sensor center: detection & compensation NC sensor edge: detection & compensation).
Detection period: 100 ms, detection frequency: 10 times or more.

Major Cause

• NC sensor disconnection
• Connector disconnected

Solution

• Reset the NC sensor.
• Reset the connector.
• Replace the connector.

SC541-03

Type: A Error Name: Central NC sensor short-circuit
Error Condition: AD value: 0-13 (FB voltage: 0.000V-0.041V) (*3) is detected for (t14) seconds continuously.
Detection period: 100 ms, detection frequency: 10 times or more.

Major Cause

• NC short-circuit
• Connector disconnected

Solution

• Reset the NC sensor.
• Reset the connector.
• Replace the connector.

SC542-02

Type: A Error Name: Fusing central thermopile does not reload
Error Condition: (T21) degrees C not reached after heater 1 ON for (t3) seconds

SC542-03

Type: A Error Name: Fusing central thermopile does not reload
Error Condition: Heating central reload permission temperature not reached after heater 1 ON for (t311) seconds

Major Cause

• Thermopile lens dirt
• Thermopile modification/float
• Outside input voltage guarantee
• After excessive temperature rise prevention unit operation

Solution

• Replace the thermopile.
• Check that the input voltage is within acceptable limits.
• Replace the Unit

SC543-00

Type: A Error Name: Fusing central thermopile high temperature detection (software)
Error Condition: Above (T3) degrees C detected for (t4) seconds continuously.
Detection period 100ms, detection count: 10 times or more.

Major Cause

• Triac short-circuit
• IOB board defective
• BCU board defective

Solution

• Replace the IOB board.
• Replace the BCU board.
• Replace the fusing unit.

SC544-01

Type: A Error Name: Fusing central thermopile high temperature detection (hardware)
Error Condition: In the event of an error

Major Cause

• Triac defective (short-circuit)
• Engine controller defective
• Heating central thermopile defective
• Fusing control software: out of control

Solution

• If the triac is defective, replace the AC power supply board.
• If necessary, replace the BCU or the heating central thermopile.

SC544-02

Type: A Error Name: Fusing central NC sensor high temperature detection (hardware)
Error Condition: In the event of an error

Major Cause

• Triac defective (short-circuit)
• Engine controller defective
• Heating central thermopile defective
• Fusing control software: out of control

Solution

• Attach the new fusing unit, then run SP-5-810-002.
• If the triac is defective, replace the AC power supply board.
• If necessary, replace the BCU or the Fusing central NC sensor.

SC545-00

Type: A Error Name: Fusing central heater continuously Heat
Error Condition: After waiting for full power for more than (t6) seconds continuously, not detected for (t8) seconds.
• Definition of heater full power Continuously heating rate set point (maximum heating rate)
• Measurement start point
After reload (after heater extinguished, after rotation complete) below the standby temperature (target temperature), measurement starts after a heater heat-up request is issued.
• Measurement stop condition 
Rotation started due to a print signal during measurement or other.
• Maximum heat-up Duty (SP interlinked value) 0% is excluded.

Major Cause

• Thermistor deformation/float
• Heater disconnection
• After excessive temperature rise prevention unit operates

Solution

• Replace the thermistor.
• Replace the fusing lamp.
• Replace the fusing unit.

SC547-01

Type: D Error Name: Zero cross error (relay-contact soldering)
Error Condition: In the event of an error

Major Cause

• Fusing relay defective (contact soldering)
• Fusing relay drive circuit fault

Solution

• Turn the main power supply switch OFF/ON
• If the fusing relay is damaged, replace the PSU (AC Controller Board).
• Check the connection between PSU (AC Controller Board) and control board, and replace harness and board if necessary.

SC547-02

Type: D Error Name: Zero cross error (relay contact fault)
Error Condition: In the event of an error

Major Cause

• Fusing relay damage (contact open)
• Fusing relay drive circuit fault
• PSU fuse (24VS) blowout

Solution

• Turn the main power supply switch OFF/ON.
• If the fusing relay is damaged, replace the PSU (AC Controller Board).
• Check the connection between PSU (AC Controller Board) and paper transport IOB, and replace harness and board if necessary.
• If the PSU (AC Controller Board) fuse (24VS) blows out, replace the fuse.

SC547-03

Type: D Error Name: Zero cross error (low-frequency error)
Error Condition: In the event of an error

Major Cause

Frequency instability of commercial power line

Solution

• Turn the main power supply switch OFF/ON.
• Check the power source.
• Check the connection between PSU (AC Controller Board) and control board, and replace harness and board if necessary.

SC549-01

Type: D Error Name: Shield Operation Error Detection
Error Condition: During HP detection operation, shield sensors 1 and 2 detect «High» for (t30) seconds continuously.

SC549-02

Type: D Error Name: Shield Operation Error Detection
Error Condition: During shield basic operation, shield sensor 2 does not go «Low > High» even if (t31) seconds elapsed from screen motor rotation start.

SC549-03

Type: D Error Name:  Shield Operation Error Detection
Error Condition: During shield basic operation, shield motor does not stop even if (t32) seconds elapsed from rotation start.

SC549-04

Type: D Error Name:  Shield Operation Error Detection
Error Condition: During HP detection operation, HP detection fails 3 times consecutively.

Major Cause

• Motor defective
• Sensor defective
• Sensor actuator/feeler modification/defective
• Shield modification/defective

Solution

• Replace the motor.
• Replace the HP sensor.
• Replace the fusing unit.

SC551-01

Type: A Error Name:  Fusing Edge Thermopile Disconnection
Error Condition: Below -50 degrees C (or below CB) is detected for (t11) seconds continuously.

Major Cause

• Thermopile disconnection
• Connector disconnected

Solution

• Replace the thermopile.
• Reset the connector.
• Replace the connector.
• Replace the fusing unit.

SC551-02

Type: A Error Name:  Edge NC Sensor Disconnection
Error Condition: 3ED – 3FF (FB voltage: 3.243V-3.300V) is detected for (t13) seconds continuously (NC sensor center: detection & compensation NC sensor edge: detection & compensation).
Detection period: 100 ms, detection frequency: 10 times or more.

Major Cause

• NC sensor disconnection
• Connector disconnected

Solution

• Replace the NC sensor.
• Reset the connector.
• Replace the connector.
• Replace the fusing unit.

SC551-03

Type: A Error Name:  Edge NC Sensor Short-circuit
Error Condition: AD value: 0-13 (FB voltage: 0.000V-0.041V) (*3) is detected for (t14) seconds continuously.
Detection period: 100 ms, detection frequency: 10 times or more.

Major Cause

• NC sensor short-circuit
• Connector disconnected

Solution

• Replace the NC sensor.
• Reset the connector.
• Replace the connector.
• Replace the fusing unit.

SC552-02

Type: A Error Name:  Fusing Central Thermopile Does Not Reload
Error Condition: (T21) degrees C not reached after heater 1 ON for (t3) seconds.

SC552-03

Type: A Error Name:  Fusing Central Thermopile Does Not Reload
Error Condition: Heating edge reload permission temperature not reached after heater 1 ON for (t312) seconds.

Major Cause

• Thermopile lens dirt
• Thermopile modification, float
• Outside input voltage guarantee
• After excessive temperature rise prevention unit operation

Solution

• Replace the thermopile.
• Make sure that the input voltage is within acceptable limits.
• Replace the fusing unit.

SC553-00

Type: A Error Name:  Fusing End Thermopile High Temperature Detection (software)
Error Condition: Above (T3) degrees C detected for (t4) seconds continuously.
Detection period: 100ms, detection count: 10 times or more.

Major Cause

• Triac short-circuit
• IOB defective
• BCU defective

Solution

• Replace the IOB.
• Replace the BCU.
• Replace the fusing unit.

SC554-01

Type: A Error Name:  Fusing end thermopile high temperature detection (hardware)
Error Condition: In the event of an error

Major Cause

• Triac defective (short-circuit)
• Engine controller defective
• Heating edge thermopile defective
• Fusing control software: out of control

Solution

• If the triac is defective, replace the AC power supply board.
• If necessary, replace the BCU or heating edge thermopile.

SC554-02

Type: A Error Name:  Fusing end NC sensor high temperature detection (hardware)
Error Condition: In the event of an error

Major Cause

• Triac defective (short-circuit)
• Engine controller defective
• Heating edge thermopile defective
• Fusing control software: out of control

Solution

• Attach the new fusing unit, then run SP-5-810-002.
• If necessary, replace the BCU or Fusing edge NC sensor.

SC555-00

Type: A Error Name:  Fusing Edge Heater Continuously Heat
Error Condition: After waiting for full power for more than (t6) seconds continuously, not detected for (t8) seconds.
• Definition of heater full power Continuously heating rate set point (maximum heating rate)
• Measurement start point
After reload (after heater extinguished, after rotation complete)
below the standby temperature (target temperature), measurement starts after a heater heat-up request is issued.
• Measurement stop condition Rotation started due to a print signal during measurement or other
• Maximum heat-up Duty (SP interlinked value) 0% is excluded

Major Cause

• Thermistor deformation/float
• Heater disconnection
• After excess temperature rise prevention unit operation

Solution

• Replace the thermistor.
• Replace the fusing lamp.
• Replace the fusing unit.

SC557-00

Type: C Error Name:  Zero Cross Frequency Exceeded
Error Condition: In the event of an error

Major Cause

Frequency instability of commercial power line/Noise

SC558-01

Type: C Error Name:  Low Input Voltage
Error Condition: Input voltage below the specification is detected on the mains power supply

Major Cause

Low input of mains power supply

SC559-00

Type: A Error Name:  Fusing Jam Detected for 3 Times Consecutively
Error Condition: Fusing jam (does not reach fusing exit sensor) is detected for 3 times consecutively.
• Detection conditions
Displays the SC559-00 at the time of integrating the counter each time fusing jam occurs, became fusing jam counter value = 3.
The counter value is retained without fusing jam also reset by OFF/ON the power supply.
• Control ON/OFF And enables ON / OFF is this SC, the default is set to OFF, then ON at the time of customer requirements.
SP1-142-001 0: OFF (default), 1: ON (Set at the time of customer requirements)
• Counter reset condition occurs fusing jam

  1. Normal paper exit has been done during this continuous fusing jam, fusing jam counter is reset.
  2. When «1» is changed to «0» SP1-142-001, to reset the (SP9-912-001) fusing jam counter.
  3. When after displaying SC559, SC release is made, reset the (SP9912-001) fusing jam counter.

Major Cause

Fusing unit paper jam

Solution

  1. Replace the Fusing Shield Plate.
  2. Replace both gears in the main machine and fusing unit for fusing drive.
  3. Replace the Fusing Unit.
  4. Replace the Fusing Motor.

SC561-01

Type: A Error Name: Pressure Roller Thermistor (Center) Disconnection
Error Condition: Below 0 degree C (or below 3F9) detected for (t12) seconds continuously.
Detection period 100ms, detection count: 10 times or more.

SC561-05

Type: D Error Name: Pressure Roller Thermistor (Center) Disconnection (Low Power)
Error Condition:

Major Cause

• Thermistor disconnection
• Connector disconnected

Solution

  1. Reconnect the connector between the fusing unit and BCU.
  2. Replace the Pressure Roller Thermistor (Center).
  3. Replace the fusing unit.
  4. Reconnect the harness between the fusing unit and BCU
  5. Replace the BCU, or PSU (AC Controller Board).

SC562-02

Type: A Error Name: Pressure Roller Thermistor (Center) Does Not Reload
Error Condition: Does not reach (T21) degree C after fusing lamp 1ON for specified time (sec.) seconds.

SC562-05

Type: D Error Name: Pressure Roller Thermistor (Center) Does Not Reload (Low Power)

Major Cause

• Thermistor dirt
• Thermistor deformation, float
• Outside input voltage guarantee
• After excess temperature rise prevention unit operation

Solution

  1. Check the power supply voltage and reconnect the cable to the outlet.
  2. Replace the Pressure Roller Thermistor (Center).
  3. Replace the Fusing lamp.
  4. Replace the Thermopile (Center).
  5. Replace the BCU, or PSU (AC Controller Board).

SC563-00

Type: A Error Name: Pressure Roller Thermistor (Center) High-Temperature Detection (software)
Error Condition: Above (T3) degrees C detected for specified time (sec.) continuously.
Detection period: 100ms, detection count: 10 times or more.

Major cause

• Triac short-circuit
• IOB defective
• BCU defective

Solution

  1. Reconnect the connector between the fusing unit and BCU.
  2. Replace the Pressure Roller Thermistor (Center).
  3. Replace the harness between the fusing unit and BCU.
  4. Replace the BCU.
  5. Replace the Paper Transport IOB.

SC564-00

Type: A Error Name: Pressure Roller Thermistor (Center) High-Temperature Detection (hardware)
Error Condition: Above (T4) degrees C detected

Major Cause

• Triac short-circuit
• IOB controller defective
• BCU controller defective
• Fusing control: out of control

Solution

  1. Reconnect the connector between the fusing unit and BCU.
  2. Replace the Pressure Roller Thermistor (center).
  3. Replace the harness between the fusing unit and BCU.
  4. Replace the BCU.
  5. Replace the Paper Transport IOB.

SC569-00

Type: D Error Name: Paper Exit/ Pressure Release Motor Error Detection
Error Condition: Retry operation fails 3 times consecutively.

Major Cause

• Motor defective
• Sensor defective
• Filler modification, defective

Solution

  1. Replace the pressure roller HP sensor.
  2. Replace the Paper Exit / Pressure Release Motor.
  3. Replace the fusing unit.

SC571-01

Type: A Error Name: Pressure Roller Thermistor (Edge) Disconnection
Error Condition: Below 0 degree C (or above 3F9) detected for specified time (sec.) continuously.
Detection period: 100 ms, detection counts: 10 times or more.

SC571-05

Type: D Error Name: Pressure Roller Thermistor (Edge) Disconnection (Low Power)

Major Cause

• Thermistor disconnection
• Connector disconnected

Solution

  1. Check the power supply voltage and reconnect the cable to the outlet. (-05 only)
  2. Replace the Pressure Roller Thermistor (Edge).
  3. Replace the Fusing lamp.
  4. Replace the Thermopile (Edge).
  5. Replace the BCU, or PSU (AC Controller Board).

SC572-04

Type: A Error Name: Pressure Roller Thermistor (Edge) Does Not Reload
Error Condition: After starting continuous job with paper width of 257mm or more, does not reach (T22) degrees C after specified time (sec.)

SC572-05

Type: D Error Name: Pressure Roller Thermistor (Edge) Does Not Reload ( Low Power)

Major Cause

• Thermistor dirt
• Thermistor deformation, float
• Outside input voltage guarantee
• After excess temperature rise prevention unit operation

Solution

  1. Check the power supply voltage and reconnect the cable to the outlet. (-05 only)
  2. Replace the Pressure Roller Thermistor (Edge).
  3. Replace the Fusing lamp.
  4. Replace the Thermopile (Edge).
  5. Replace the BCU, or PSU (AC Controller Board).

SC573-00

Type: A Error Name: Pressure Roller Thermistor (Edge) High Temperature Detection (software)
Error Condition: Above (T3) degrees C detected for specified time (sec.) continuously.
Detection period: 100ms, detection count: 10 times or more.

Major Cause

• Triac short-circuit
• IOB defective
• BCU defective

Solution

  1. Reconnect the connector between the fusing unit and BCU.
  2. Replace the Pressure Roller Thermistor (Edge).
  3. Replace the harness between the fusing unit and BCU.
  4. Replace the BCU.
  5. Replace the Paper Transport IOB.

SC574-00

Type: A Error Name: Pressure Roller Thermistor (edge) High Temperature Detection (hardware)
Error Condition: Above (T4) degrees C detected

Major Cause

• Triac short-circuit
• IOB defective
• BCU defective
• Fusing control: out of control

Solution

  1. Reconnect the connector between the fusing unit and BCU.
  2. Replace the Pressure Roller Thermistor (Edge).
  3. Replace the harness between the fusing unit and BCU.
  4. Replace the BCU.
  5. Replace the Paper Transport IOB.

SC581-01

Type: A Error Name: Pressure Roller Thermistor (Full-Bleed Edge) Thermistor Disconnection
Error Condition: Below 0 degree C (or above 3F9) detected for specified time (sec.) continuously.
Detection period: 100ms, detection count: 10 times or more.

SC581-05

Type: D Error Name: Pressure Roller Thermistor (Full-Bleed Edge) Disconnection (Low Power)

Major Cause

• Thermistor disconnection
• Connector disconnected

Solution

  1. Check the power supply voltage and reconnect the cable to the outlet. (-05 only)
  2. Replace the Pressure Roller Thermistor (Full-Bleed Edge).
  3. Replace the harness between the fusing unit and BCU.
  4. Replace the fusing unit.
  5. Replace the BCU, or PSU (AC Controller Board).

SC582-04

Type: A Error Name: Pressure Roller Thermistor (Full-Bleed Edge) Does Not Reload
Error Condition: After starting continuous job with paper width of 257mm or more, does not reach (T22) degrees C after specified time (sec.)

SC582-05

Type: D Error Name: Pressure Roller Thermistor (Full-Bleed Edge) Does Not Reload (Low Power)

Major Cause

• Thermistor dirt
• Thermistor deformation, float
• Outside input voltage guarantee
• After excess temperature rise prevention unit operation

Solution

  1. Check the power supply voltage and reconnect the cable to the outlet. (-05 only)
  2. Replace the Thermostat (Edge).
  3. Replace the Fusing lamp
  4. Replace the Pressure Roller Thermistor (Full-Bleed Edge).
  5. Replace the BCU, or PSU (AC Controller Board).

SC583-00

Type: A Error Name: Pressure Roller Thermistor (Full-Bleed Edge) High-Temperature Detection (software)
Error Condition: Above (T3) degrees C detected for specified time (sec.) continuously.
Detection period: 100ms, detection count: 10 times or more.

Major Cause

• Triac short-circuit
• IOB defective
• BCU defective

Solution

  1. Reconnect the connector between the fusing unit and BCU.
  2. Replace the Pressure Roller Thermistor (Full-Bleed Edge).
  3. Replace the harness between the fusing unit and BCU.
  4. Replace the BCU.
  5. Replace the Paper Transport IOB.

SC584-00

Type: A Error Name: 

Pressure Roller Thermistor (Full-Bleed Edge) High Temperature Detection (hardware)
Error Condition: Above (T4) degrees C detected

Major Cause

• Triac short-circuit
• IOB controller defective
• BCU controller defective
• Fusing control: out of control

Solution

  1. Reconnect the connector between the fusing unit and BCU.
  2. Replace the Pressure Roller Thermistor (Full-Bleed Edge).
  3. Replace the harness between the fusing unit and BCU.
  4. Replace the BCU.
  5. Replace the Paper Transport IOB.

 

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