SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC501-01

B

1st Tray Lift Error

The 1st tray lift motor error detection count reaches 3. (Up to 2, reset is displayed)

 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

 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

B

1st Tray Lowering Error

The 1st tray descent motor error detection count reaches 5. (Up to 4, reset is displayed)

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

 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

 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

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC502-01

B

2nd Tray Lift Error

The 2nd tray lift motor error detection count reaches 3. (up to 2, reset is displayed)

 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

SC No.

Level

Error Name/Error Condition/Major Cause/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

B

2nd Tray Lowering Error

The detection count of 2nd tray descent motor descent errors reaches a total of 5.

(up to 4, reset is displayed)

 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

 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

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC503-01

B

3rd Tray Lift Error (single bank)

 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)

 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

 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

B

3rd Tray Lowering Error (single bank)

 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)

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

 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

 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

B

3rd Tray Lift Error (double bank, upper tray)

 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)

 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

SC No.

Level

Error Name/Error Condition/Major Cause/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

B

3rd Tray Lowering Error (double bank, upper tray)

 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)

 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

 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

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC503-31

B

3rd Tray Lift Error (LCIT)

 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)

 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

SC No.

Level

Error Name/Error Condition/Major Cause/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

B

3rd Tray Lowering Error (LCIT)

 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.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

 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

 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

B

3rd Tray Paper Overload Error (LCIT)

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)

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

 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

 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

B

3rd Tray Paper Position Error (LCIT)

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)

 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

 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

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC503-35

B

3rd Tray Transfer Error (LCIT)

 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)

 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

 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 transfer fence

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC503-36

B

3rd Tray Transfer HP Error (LCIT)

 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)

 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

SC No.

Level

Error Name/Error Condition/Major Cause/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 transfer fence

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC504-21

B

4th Tray Lift Error (double bank, lower tray)

 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)

 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

SC No.

Level

Error Name/Error Condition/Major Cause/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

B

4th Tray Lowering Error (double bank, lower tray)

 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)

 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

SC No.

Level

Error Name/Error Condition/Major Cause/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

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC505-41

B

Side LCIT Limit Detection Error

 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.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

 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

 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

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC505-42

B

Side LCIT Lower Limit Detection Error

 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.

 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

SC No.

Level

Error Name/Error Condition/Major Cause/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

B

Side LCIT Paper Overload Error

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.

 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

 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

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC509-00

B

SI By-pass Side Fence Drive Motor Error

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

 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

SC No.

Level

Error Name/Error Condition/Major Cause/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

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC511-00

C

Paper Thickness Sensor Error

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.

 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)

-

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC520-01

C

Registration Motor: Lock

SC520-02

C

Paper feed Motor: Lock

SC520-03

C

Transport Motor: Lock

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.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

 Motor defective

 Connector disconnected

 Harness broken

 IOB defective

 Encoder defective

 Replace the motor

 Reset the connector

 Replace the harness

 Replace the IOB

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC521-01

C

Duplex Entrance Motor: Lock

SC521-02

C

Duplex By-pass Motor: Lock

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.

 Motor defective

 Connector disconnected

 Harness broken

 IOB defective

 Encoder defective

 Replace the motor

 Reset the connector

 Replace the harness

 Replace the IOB

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC522-00

C

Paper Exit Motor: Lock

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.

 Motor defective

 Connector disconnected

 Harness broken

 IOB defective

 Encoder defective

 Replace the motor

 Reset the connector

 Replace the harness

 Replace the IOB

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC530-00

D

Fusing Exhaust Heat Fan Lock

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.

 Motor defective

 Connector disconnected

 Harness broken

 IOB defective

 Replace the motor

 Reset the connector

 Replace the harness

 Replace the IOB

 Replace the fan

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC531-01

D

Development Intake Fan/Right Lock

SC531-02

D

Development Intake Fan/Left Lock

SC531-03

D

Drive Cooling Fan Lock

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.

 Motor defective

 Connector disconnected

 Harness broken

 IOB defective

 Replace the motor

 Reset the connector

 Replace the harness

 Replace the IOB

 Replace the fan

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC531-01

D

Development Intake Fan/Right Lock

SC531-02

D

Development Intake Fan/Left Lock

SC531-03

D

Drive Cooling Fan Lock

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.

 Motor defective

 Connector disconnected

 Harness broken

 IOB defective

 Replace the motor

 Reset the connector

 Replace the harness

 Replace the IOB

 Replace the fan

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC531-01

D

Development Intake Fan/Right Lock

SC531-02

D

Development Intake Fan/Left Lock

SC531-03

D

Drive Cooling Fan Lock

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.

 Motor defective

 Connector disconnected

 Harness broken

 IOB defective

 Replace the motor

 Reset the connector

 Replace the harness

 Replace the IOB

 Replace the fan

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC533-01

D

PSU Exhaust Heat Fan Lock

SC533-03

D

PSU Cooling Fan Lock

SC533-04

D

Controller Box Cooling Fan Lock

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.

 Motor defective

 Connector disconnected

 Harness broken

 IOB defective

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC533-01

D

PSU Exhaust Heat Fan Lock

SC533-03

D

PSU Cooling Fan Lock

SC533-04

D

Controller Box Cooling Fan Lock

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.

 Motor defective

 Connector disconnected

 Harness broken

 IOB defective

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC533-01

D

PSU Exhaust Heat Fan Lock

SC533-03

D

PSU Cooling Fan Lock

SC533-04

D

Controller Box Cooling Fan Lock

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.

 Motor defective

 Connector disconnected

 Harness broken

 IOB defective

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

 Replace the motor

 Reset the connector

 Replace the harness

 Replace the IOB

 Replace the fan

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC534-01

D

Main Exhaust Fan Lock

SC534-02

D

Toner Supply Cooling Fan Lock

SC534-03

D

Ozone Exhaust Fan Lock

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.

 Motor defective

 Connector disconnected

 Harness broken

 IOB defective

 Replace the motor

 Reset the connector

 Replace the harness

 Replace the IOB

 Replace the fan

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC535-00

D

Paper Exit Cooling Fan Lock

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.

 Motor defective

 Connector disconnected

 Harness broken

 IOB defective

 Replace the motor

 Reset the connector

 Replace the harness

 Replace the IOB

 Replace the fan

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC540-00

D

Fusing Motor: Lock

During motor ON, after checking lock signals for 2sec, a High level was detected at least 20 times.

 Motor defective

 Connector disconnected

 Harness broken

 IOB defective

 Unit torque increased

 Replace the motor

 Reset the connector

 Replace the harness

 Replace the IOB

 Replace the unit

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC541-01

A

Fusing Central Thermopile Disconnection

Below -50 degrees C (or below CB) is detected for (t11) seconds continuously.

 disconnection

 Connector disconnected

 Replace the thermopile

 Reset the connector

 Replace the connector

 Replace the unit

SC541-02

A

Central NC Sensor Disconnection

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.

 NC sensor disconnection

 Connector disconnected

 Reset the NC sensor

 Reset the connector

 Replace the connector

 Replace the unit

SC541-03

A

Central NC sensor short-circuit

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.

 NC short-circuit

 Connector disconnected

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

 Reset the NC sensor

 Reset the connector

 Replace the connector

 Replace the unit

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC542-02

A

Fusing central thermopile does not reload

(T21) degrees C not reached after heater 1 ON for (t3) seconds

SC542-03

A

Fusing central thermopile does not reload

Heating central reload permission temperature not reached after heater 1 ON for (t311) seconds.

 Thermopile lens dirt

 Thermopile modification/float

 Outside input voltage guarantee

 After excessive temperature rise prevention unit operation

 Replace the thermopile

 Check that the input voltage is within acceptable limits

 Replace the unit

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

543-00

A

Fusing central thermopile high temperature detection (software)

Above (T3) degrees C detected for (t4) seconds continuously. Detection period 100ms, detection count: 10 times or more.

 Triac short-circuit

 IOB board defective

 BCU board defective

 Replace the IOB board

 Replace the BCU board

 Replace the fusing unit

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC544-01

A

Fusing central thermopile high temperature detection (hardware)

In the event of an error

 Triac defective (short-circuit)

 Engine controller defective

 Heating central thermopile defective

 Fusing control software: out of control

 If the triac is defective, replace the AC power supply board

 If necessary, replace the BCU or the heating central thermopile

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC544-02

A

Fusing central NC sensor high temperature detection (hardware)

In the event of an error

 Triac defective (short-circuit)

 Engine controller defective

 Heating central thermopile defective

 Fusing control software: out of control

 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

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC545-00

A

Fusing central heater continuously Heat

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.

 Thermistor deformation/float

 Heater disconnection

 After excessive temperature rise prevention unit operates

 Replace the thermistor

 Replace the fusing lamp

 Replace the fusing unit

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC547-01

D

Zero cross error (relay-contact soldering)

In the event of an error

 Fusing relay defective (contact soldering)

 Fusing relay drive circuit fault

 Turn the main power supply switch OFF/ON

 If the fusing relay is damaged, replace the PSU

 Check the connection between PSU and control board, and replace harness and board if necessary

SC547-02

D

Zero cross error (relay contact fault)

In the event of an error

 Fusing relay damage (contact open)

 Fusing relay drive circuit fault

 PSU fuse (24VS) blowout

 Turn the main power supply switch OFF/ON

 If the fusing relay is damaged, replace the PSU

 Check the connection between PSU and control board, and replace harness and board if necessary

 If the PSU fuse (24VS) blows out, replace the fuse

SC547-03

D

Zero cross error (low-frequency error)

In the event of an error

Frequency instability of commercial power line

 Turn the main power supply switch OFF/ON

 Check the power source

 Check the connection between PSU and control board, and replace harness and board if necessary

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC548-00

A

Fusing Rotation Detection

During heating, there is no input to the edge of the rotation sensor (t7) ms.

 Motor defective

 Sensor defective

 Sensor actuator/feeler modification/defective

 Replace the motor

 Replace the sensor

 Replace the actuator/feeler

 Replace the fusing unit

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

549-01

D

Shield Operation Error Detection

During HP detection operation, shield sensors 1 and 2 detect "High" for (t30) seconds continuously.

549-02

D

Shield Operation Error Detection

During shield basic operation, shield sensor 2 does not go "Low

> High" even if (t31) seconds elapsed from screen motor rotation start.

549-03

D

Shield Operation Error Detection

During shield basic operation, shield motor does not stop even if (t32) seconds elapsed from rotation start.

549-04

D

Shield Operation Error Detection

During HP detection operation, HP detection fails 3 times consecutively.

 Motor defective

 Sensor defective

 Sensor actuator/feeler modification/defective

 Shield modification/defective

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

 Replace the motor

 Replace the HP sensor

 Replace the fusing unit

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC551-01

A

Fusing Edge Thermopile Disconnection

Below -50 degrees C (or below CB) is detected for (t11) seconds continuously.

 Thermopile disconnection

 Connector disconnected

 Replace the thermopile

 Reset the connector

 Replace the connector

 Replace the fusing unit

SC551-02

A

Edge NC Sensor Disconnection

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.

 NC sensor disconnection

 Connector disconnected

 Replace the NC sensor

 Reset the connector

 Replace the connector

 Replace the fusing unit

SC551-03

A

Edge NC Sensor Short-circuit

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.

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

 NC sensor short-circuit

 Connector disconnected

 Replace the NC sensor

 Reset the connector

 Replace the connector

 Replace the fusing unit

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC552-02

A

Fusing Central Thermopile Does Not Reload

(T21) degrees C not reached after heater 1 ON for (t3) seconds.

SC552-03

A

Fusing Central Thermopile Does Not Reload

Heating edge reload permission temperature not reached after heater 1 ON for (t312) seconds.

 Thermopile lens dirt

 Thermopile modification, float

 Outside input voltage guarantee

 After excessive temperature rise prevention unit operation

 Replace the thermopile

 Make sure that the input voltage is within acceptable limits

 Replace the fusing unit

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC553-00

A

Fusing End Thermopile High Temperature Detection (software)

Above (T3) degrees C detected for (t4) seconds continuously. Detection period: 100ms, detection count: 10 times or more.

 Triac short-circuit

 IOB defective

 BCU defective

 Replace the IOB

 Replace the BCU

 Replace the fusing unit

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC554-01

A

Fusing end thermopile high temperature detection (hardware)

In the event of an error

 Triac defective (short-circuit)

 Engine controller defective

 Heating edge thermopile defective

 Fusing control software: out of control

 If the triac is defective, replace the AC power supply board

 If necessary, replace the BCU or heating edge thermopile

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC554-02

A

Fusing end NC sensor high temperature detection (hardware)

In the event of an error

 Triac defective (short-circuit)

 Engine controller defective

 Heating edge thermopile defective

 Fusing control software: out of control

 Attach the new fusing unit, then run SP-5-810-002

 If necessary, replace the BCU or Fusing edge NC sensor

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC555-00

D

Fusing Edge Heater Continuously Heat

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

 Thermistor deformation/float

 Heater disconnection

 After excess temperature rise prevention unit operation

 Replace the thermistor

 Replace the fusing lamp

 Replace the fusing unit

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC557-00

C

Zero Cross Frequency Exceeded

In the event of an error

Frequency instability of commercial power line/Noise

-

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC559-00

A

Fusing Jam Detected for 3 Times Consecutively

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.

Fusing unit paper jam

Remove the jam

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC561-00

A

Pressurized Central Thermistor Disconnection

Below 0 degree C (or below 3F9) detected for (t12) seconds continuously.

Detection period 100ms, detection count: 10 times or more.

 Thermistor disconnection

 Connector disconnected

 Replace the thermistor

 Reset the connector

 Replace the connector

 Replace the fusing unit

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC562-02

A

Pressurized Central Thermistor Does Not Reload

Does not reach (T21) degree C after heater 1ON for (t3) seconds.

 Thermistor dirt

 Thermistor deformation, float

 Outside input voltage guarantee

 After excess temperature rise prevention unit operation

 Replace the thermistor

 Make sure that the input voltage is within acceptable limits

 Replace the fusing unit

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC563-00

A

Pressurized Central Thermistor High Temperature Detection (software)

Above (T3) degrees C detected for (t4) seconds continuously. Detection period: 100ms, detection count: 10 times or more.

 Triac short-circuit

 IOB defective

 BCU defective

 Replace the IOB

 Replace the BCU

 Replace the fusing unit

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC564-00

A

Pressurized Central Thermistor High Temperature Detection (hardware)

Above (T4) degrees C detected

 Triac short-circuit

 IOB controller defective

 BCU controller defective

 Fusing control: out of control

 Replace the IOB

 Replace the BCU

 Replace the fusing unit

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC569-00

D

Depressurizing Error Detection

Retry operation fails 3 times consecutively.

 Motor defective

 Sensor defective

 Filler modification, defective

 Replace the motor

 Replace the sensor

 Replace the fusing unit

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC571-00

A

Pressurized Edge Thermistor Disconnection

Below 0 degree C (or above 3F9) detected for (t12) continuously.

Detection period: 100 ms, detection counts: 10 times or more.

 Thermistor disconnection

 Connector disconnected

 Replace the thermistor

 Reset the connector

 Replace the connector

 Replace the fusing unit

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC572-04

A

Pressurized Edge Thermistor Does Not Reload

After starting continuous job with paper width of 257mm or more, does not reach (T22) degrees C after (t313) seconds.

 Thermistor dirt

 Thermistor deformation, float

 Outside input voltage guarantee

 After excess temperature rise prevention unit operation

 Replace the thermistor

 Make sure that the input voltage is within acceptable limits

 Replace the fusing unit

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC573-00

A

Pressurized Edge Thermistor High Temperature Detection (software)

Above (T3) degrees C detected for (t4) seconds continuously. Detection period: 100ms, detection count: 10 times or more.

 Triac short-circuit

 IOB defective

 BCU defective

 Replace the IOB

 Replace the BCU

 Replace the fusing unit

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC574-00

A

Pressurized Edge Thermistor High Temperature Detection (hardware)

Above (T4) degrees C detected

 Triac short-circuit

 IOB defective

 BCU defective

 Fusing control: out of control

 Replace the IOB

 Replace the BCU

 Replace the fusing unit

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC581-00

A

Pressurized Expanded Edge Thermistor Disconnection

Below 0 degree C (or above 3F9) detected for (t12) seconds continuously.

Detection period: 100ms, detection count: 10 times or more.

 Thermistor disconnection

 Connector disconnected

 Replace the thermistor

 Reset the connector

 Replace the connector

 Replace the fusing unit

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC582-04

A

Pressurized Expanded Edge Thermistor Does Not Reload

After starting continuous job with paper width of 257mm or more, does not reach (T22) degrees C after (t313) seconds.

 Thermistor dirt

 Thermistor deformation, float

 Outside input voltage guarantee

 After excess temperature rise prevention unit operation

 Replace the thermistor

 Make sure that the input voltage is within acceptable limits

 Replace the fusing unit

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC583-00

A

Pressurized Expanded Edge Thermistor High Temperature Detection (software)

Above (T3) degrees C detected for (t4) seconds continuously. Detection period: 100ms, detection count: 10 times or more.

 Triac short-circuit

 IOB defective

 BCU defective

 Replace the IOB

 Replace the BCU

 Replace the fusing unit

SC No.

Level

Error Name/Error Condition/Major Cause/Solution

SC584-00

A

Pressurized Expanded Edge Thermistor High Temperature Detection (hardware)

Above (T4) degrees C detected

 Triac short-circuit

 IOB controller defective

 BCU controller defective

 Fusing control: out of control

 Replace the IOB

 Replace the BCU

 Replace the fusing unit