SC NO.

Pattern

Details (Symptom, Possible Cause, Troubleshooting Procedures)

332-01

332-02

332-03

332-04

D

Toner supply feed lock (01: Bk, 02: C, 03: M, 04: Y)

Under the condition that the Toner Cartridge has not reached the end, an error that no toner is supplied has been detected over n times in succession.

n: The value was set at SP3-131-015.

  • Disconnected or broken Toner Supply Solenoid. (Failed to open the toner supply shutter)
  • Disconnection of Toner Supply Clutch
  • Failed PCDU. (Toner leak)
  • Toner clogging
  • Check the connector connection or check for broken wire.
  • Replace the Toner Supply Solenoid
  • Replace the PCDU
  • Replace the Toner Cartridge.

SC NO.

Pattern

Details (Symptom, Possible Cause, Troubleshooting Procedures)

364-01

364-02

364-03

364-04

D

Toner End Sensor output count error (01: Bk, 02: C, 03: M, 04: Y)

The output count from the Toner End Sensor indicates an average of 0.

- Bad connector contact or connector disconnected/wire broken

- Failed TE Sensor

- LED Head mounting error (incorrect calibration of TE Sensor)

- Turn the main power of the printer OFF and then ON

- Check the connector connection or check for broken wire.

- Replace the LED Head.

- Replace the TE sensor (using the same troubleshooting procedure as for LED).

SC NO.

Pattern

Details (Symptom, Possible Cause, Troubleshooting Procedures)

365-01

365-02

365-03

365-04

D

Toner End Sensor upper limit sensor error (01: Bk, 02: C, 03: M, 04: Y)

The Toner End Sensor still indicates that the remaining amount of toner is at the "upper limit", although 255 g or more toner has been consumed.

- Stained TE Sensor surface

- Failed TE Sensor

  • Turn the main power of the printer OFF and then ON.
  • Check the connector connection.
  • Clean/replace the sensor (using the same troubleshooting procedure as for LED).

SC NO.

Pattern

Details (Symptom, Possible Cause, Troubleshooting Procedures)

370-01

D

TM(ID) Sensor calibration error (Right)*

The specular light output voltage (Vsg_reg) of the Right TM (ID) Sensor cannot be calibrated to a value in the target range.

Upper limit (initially 2.97 V)

Lower limit (initially 2.31V)

- Disconnected TM(ID) Sensor connector/bad contact

- Stained TM(ID) Sensor window

- Failed TM(ID) Sensor

- Image Transfer Belt loosened or out of place

  • Check the TM(ID) Sensor
  • Clean the TM(ID) Sensor Detection window
  • Check the Image Transfer Belt
  • Replace the TM(ID) Sensor

* This is the sensor on the left as viewed from the front.

SC NO.

Pattern

Details (Symptom, Possible Cause, Troubleshooting Procedures)

370-02

D

TM(ID) Sensor calibration error (Left)*

The specular light output voltage (Vsg_reg) of the Left TM(ID) Sensor cannot be calibrated to a value in the target range.

Upper limit (initially 2.97 V)

Lower limit (initially 2.31V)

- Disconnected TM(ID) Sensor connector/bad contact

- Stained TM(ID) Sensor window

- Failed TM(ID) Sensor

- Image Transfer Belt loosened or out of place

  • Check the TM(ID) Sensor
  • Clean the TM(ID) Sensor Detection window
  • Check the Image Transfer Belt
  • Replace the TM(ID) Sensor

* This is the sensor on the right as viewed from the front.

SC NO.

Pattern

Details (Symptom, Possible Cause, Troubleshooting Procedures)

396-01

D

Drum Motor: K Error

Early Detection

  • A command to stop the rotation of the motor has been issued right after the power was turned on, but the motor is still rotating.

Motor Operation Timing

  • When the motor rotation request or speed change request is issued, the motor is in the stopped state.

Motor Stop Timing

  • A command to stop the rotation of the motor has been issued, but the motor is still rotating.

- Disconnected connector

- Broken signal wire

- Excessive motor torque

  • Check the connector connection.
  • Turn the power OFF and then ON.
  • Replace the Drum Motor: K.

SC NO.

Pattern

Details (Symptom, Possible Cause, Troubleshooting Procedures)

396-05

D

Drum Motor: CMY error

Early Detection

  • A command to stop the rotation of the motor has been issued right after the power was turned on, but the motor is still rotating.

Motor Operation Timing

  • When the motor rotation request or speed change request is issued, the motor is in the stopped state.

Motor Stop Timing

A command to stop the rotation of the motor has been issued, but the motor is still rotating.

- Disconnected connector

- Broken signal wire

- Excessive motor torque

  • Check the connector connection.
  • Turn the power OFF and then ON.
  • Replace the Drum Motor: CMY.

SC NO.

Pattern

Details (Symptom, Possible Cause, Troubleshooting Procedures)

442-01

442-02

442-03

D

Intermediate transfer contact Sensor error (01: Home position error, 02: Contact error, 03: Non-contact error)

- Home position error: SC442-01

If the home position is not set within the T4 time after turning ON the feed motor and feed clutch, an error results.

- Contact error: SC442-02

If the contact state is not set within the T3 time after turning ON the feed motor and feed clutch, an error results.

- Non-contact error: SC442-03

If the non-contact state is not set within the T3 time after turning ON the feed motor and feed clutch, an error results.

[Error time T3]

SP value: 100 to 25500 ms

Initial value: 3000 ms

Note: Contact/non-contact error judgment

[Error time T4]

SP value: 100 to 25500 ms

Initial value: 3000 ms

Note: Home position error judgment

  
  • High motor load
  • Failed motor
  • Disconnected connector
  • Broken harness wire
  • PSU: +24 V fuse blown
  • Failed interlock mechanism
  • Failed Engine Board

1. Connect and disconnect the Image Transfer Unit

2. Replace the Image Transfer Unit

3. Replace the Engine Board

4. Replace the ITB (Image Transfer Belt) Contact Clutch

5. Replace the Paper Feed Motor

SC NO.

Pattern

Details (Symptom, Possible Cause, Troubleshooting Procedures)

490-00

D

Charging/developing: Output error

The "HVP_ERR1: Output error Sensor signal" is monitored at 20 ms intervals. If 0 (error) is detected ten times in succession (200 ms), the following causes are suspected:

  • Failed PCDU
  • Failed High Voltage Power Supply (Separation)
  • Damaged HVP connection harness
  • Replace the PCDU.
  • Replace the HVP.
  • Replace the harness.

SC NO.

Pattern

Details (Symptom, Possible Cause, Troubleshooting Procedures)

491-01

D

Primary/secondary transfer: Output error

The "HVP_ERR2: Output error Sensor signal" is monitored at 20 ms intervals. If 0 (error) is detected fifty times in succession (1000 ms) (during bias output), the following causes are suspected:

  • Image Transfer Unit error
  • Transfer Roller error
  • Damaged HVP connection harness
  • Noise generated by poor contact of the power supply terminals of the Development Roller
  • Replace the Image Transfer Unit.
  • Replace the Transfer Roller
  • Replace the HVP.
  • Replace the harness.
  • Replace the PCDU.

SC NO.

Pattern

Details (Symptom, Possible Cause, Troubleshooting Procedures)

491-02

D

Disconnected connector: High voltage output error

The "HVP_ERR2: Output error Sensor signal" is monitored at 20 ms intervals. If 0 (error) is detected ten times in succession (200 ms) (during non-bias output), the following causes are suspected:

  • HVP Connect harness disconnected
  • Damaged HVP connection harness
  • Check the HVP Connect harness
  • Replace the HVP connection harness.

SC NO.

Pattern

Details (Symptom, Possible Cause, Troubleshooting Procedures)

498-00

C

Temperature/humidity Sensor error

  • Temperature Sensor output error: Out of range between 076 V and 2.90 V
  • Humidity Sensor output error: 2.4 V or more

- Unmounted Sensor (Unset connector or broken wire)

- Failed Sensor

  • Turn the power OFF and then ON.
  • Check that the connector is set.
  • Replace the Sensor.
  • Replace the connector.