No.

Type

Details (Symptom, Possible Cause, Troubleshooting Procedures)

SC101-01

D

LED error

The peak white level is less than the prescribed value.
This SC is detected when the machine adjusts the LED’s light intensity or before just scanning.

  • Loose connector

  • Defective scanner carriage

  • Defective BiCU

  • Damaged harness (FFC)

  • Dirty or incorrect white plate

Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  1. Reconnect the following connectors:
    SBU-BiCU harness (FFC) connector
    SBU-LEDB (scanner lamp board) harness (FFC) connector (SBU)
  2. Check the white plate (Exposure glass).
    Clean or replace the white plate if damaged.
  3. Replace the scanner carriage
  4. Replace the BiCU.
  5. Replace the harness (FFC).

No.

Type

Details (Symptom, Possible Cause, Troubleshooting Procedures)

SC101-02

D

LED error (LED illumination adjustment)

The peak white level is less than the prescribed value.
This SC is detected when the machine adjusts the LED’s light intensity.

  • Defective LED

  • LED driver error

  • Disconnected connectors or damaged harness (power/signal)

Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  1. Reconnect the connectors (power/signal).
  2. Replace the scanner carriage
  3. Replace the harness (power/signal).

 

 

No.

Type

Details (Symptom, Possible Cause, Troubleshooting Procedures)

SC102-00

D

LED intensity adjustment error

The peak white level cannot be in the prescribed value even though adjusting several times.
This SC is detected when the machine adjusts the LED’s light intensity.

  • Loose connector
  • Defective scanner carriage
  • Defective BiCU
  • Damaged harness (FFC)

Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  1. Reconnect the following connectors:
    SBU-BiCU harness (FFC) connector
    SBU-LEDB (scanner lamp board) harness (FFC) connector (SBU)
  2. Check the white plate (Exposure glass).
    Clean the white plate and/or replace the exposure glass.
  3. Replace the scanner carriage.
  4. Replace the BiCU.
  5. Replace the harness (FFC).

SC No.

Type

Details (Symptom, Possible Cause, Troubleshooting Procedures)

SC111-01

D

LED error (scanning): rear side
The peak white level is less than the prescribed value.
  • Loose connector
  • Defective CIS
  • Damaged harness
  • Dirty or incorrect white plate
  • Defective BiCU

Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  1. Clean or replace the ADF's white plate (rear side).
  2. Reconnect the connectors (FFC) between the CIS and BiCU.
  3. Replace the CIS.
  4. Replace the harness (FFC).
  5. Replace the BiCU.

SC No.

Type

Details (Symptom, Possible Cause, Troubleshooting Procedures)

SC112-00

D

LED illumination adjustment error: rear side
The white level peak reached the prescribed threshold when the white plate was scanned after a specified number of adjustments.
  • Loose connector
  • Defective CIS.
  • Damaged harness
  • Dirty or incorrect white plate
  • Defective BiCU

Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  1. Clean or replace the ADF's white plate (rear side).
  2. Reconnect the connectors (FFC) between the CIS and BiCU.
  3. Replace the CIS.
  4. Replace the harness (FFC).
  5. Replace the BiCU.

No.

Type

Details (Symptom, Possible Cause, Troubleshooting Procedures)

SC120-00

D

Scanner home position (HP) error 1

The scanner HP sensor did not go OFF :

  • During homing operation (power ON, leaving low power mode)
  • During auto adjustment (power ON, leaving low power mode)
  • During document, book scanning
  • Motor driver error
  • Defective motor
  • Defective HP Sensor
  • Disconnected connectors or damaged harness
  • Timing belt, pulley, wires or scanner carriage failure

Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  1. Replace the scanner HP sensor.
  2. Replace the scanner motor.
  3. Replace the harness.

No.

Type

Details (Symptom, Possible Cause, Troubleshooting Procedures)

SC121-00

D

Scanner home position (HP) error 2

The scanner HP sensor did not go ON :

  • During homing operation
  • During auto adjustment
  • During document, book scanning
  • Motor driver error
  • Defective motor
  • Defective HP Sensor
  • Disconnected connectors or damaged harness
  • Timing belt, pulley, wires or carriage failure

Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  1. Replace the scanner HP sensor.
  2. Replace the scanner motor.
  3. Replace the harness.

No.

Type

Details (Symptom, Possible Cause, Troubleshooting Procedures)

SC141-00

D

Black level detection error

Black level is not less than the prescribed value.
This SC is detected when: the scanner power is turned on and the machine returns from the energy saver mode.

  • Loose connector
  • Defective scanner carriage
  • Defective BiCU
  • Damaged harness (FFC)

Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  1. Reconnect the connector between the SBU and BiCU (FFC).
  2. Replace the scanner carriage.
  3. Replace the BiCU.
  4. Replace the harness (FFC)

No.

Type

Details (Symptom, Possible Cause, Troubleshooting Procedures)

SC142-00

D

White level detection error

The white peak level cannot be in the prescribed value when adjusting the scanner gain.
This SC is detected when the scanner power is turned on and the machine returns from the energy saver mode.

  • Defective SBU
  • Defective LED
  • Defective BiCU
  • Loose connector
  • Damaged harness (FFC)
  • Defective scanner motor
  • Dirty or incorrect mirror and/or lens
  • Dirty or incorrect white plate

Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  1. Reconnect the following connectors:
    SBU-BiCU harness (FFC) connector
    SBU-LEDB (scanner lamp board) harness (FFC) connector (SBU)
  2. Check the white plate (Exposure glass)
    Clean the white plate and/or replace the exposure glass.
  3. Replace the scanner carriage.
  4. Replace the BiCU.
  5. Replace the harness (FFC).

No.

Type

Details (Symptom, Possible Cause, Troubleshooting Procedures)

SC144-00

D

SBU communication error

The machine cannot detect that the SBU is connected.

  • Defective scanner carriage
  • Defective BiCU
  • Loose connector or damaged harness

Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  1. Reconnect the connector between the scanner carriage and BiCU (FFC).
  2. Replace the scanner carriage.
  3. Replace the BiCU.
  4. Replace the harness (FFC).

No.

Type

Details (Symptom, Possible Cause, Troubleshooting Procedures)

SC151-00

D

Black level correction error: rear side

The automatic adjustment has failed to correct the black level (rear side) to the permissible range.

  • Loose connector

  • Defective CIS

  • Defective BiCU

  • Damaged harness (FFC)

Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  1. Reconnect the connectors between the CIS and BiCU (FFC).
  2. Replace the CIS.
  3. Replace the BiCU.
  4. Replace the harness (FFC).

No.

Type

Details (Symptom, Possible Cause, Troubleshooting Procedures)

SC152-00

D

White level correction error: rear side

The automatic adjustment has failed to correct the white level (rear side) to the permissible range.

  • Defective CIS

  • Defective BiCU

  • Loose connector

  • Damaged harness (FFC)

  • Dirty or incorrect white plate (rear side)

Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  1. Clean or replace the white plate (rear side).
  2. Reconnect the connectors between the CIS and BiCU (FFC).
  3. Replace the CIS.
  4. Replace the BiCU.
  5. Replace the harness (FFC).

No.

Type

Details (Symptom, Possible Cause, Troubleshooting Procedures)

SC154-00

D

CIS communication error: rear side

The machine cannot detect that the CIS is connected.
This SC is detected when: the main power is turned on and the machine returns from the energy saver mode.

  • Defective CIS

  • Defective BiCU

  • Loose connector

  • Damaged harness

Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  1. Reconnect the connector between the CIS and BiCU (FFC).
  2. Replace the CIS.
  3. Replace the BiCU.
  4. Replace the harness between the CIS and BiCU (power/signal).

No.

Type

Details (Symptom, Possible Cause, Troubleshooting Procedures)

SC161-20

D

BiCU error (DRAM initialization failure)

The DRAM initialization flow is not completed successfully.
This SC is detected when: the main power is turned on and the machine returns from the energy saver mode.

  • Defective BiCU
  • Defective DRAM device

Check if the SC occurs by turning the power OFF then ON. If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling the power after each step.

  1. Reconnect all the connectors on the BiCU board if disconnected, or loose.
  2. Replace the BiCU.

No.

Type

Details (Symptom, Possible Cause, Troubleshooting Procedures)

SC180-01

B

BiCU error (Double-feed detection failure)

Error signal is detected during the failure detection operation.

  • Disconnected connectors or damaged harness
  • Sensors abnormal output
  • Defective double-feed sensors
  1. Check the double-feed sensor and harnesses.
  2. Replace the harnesses for double-feed sensors.
  3. Replace the double-feed sensors.
  4. Replace the ADF relay board.

No.

Type

Details (Symptom, Possible Cause, Troubleshooting Procedures)

SC195-00

D

Serial Number Mismatch

Serial number stored in the memory does not have the correct code.

  • EEPROM defective
  • BiCU replaced without original EEPROM
  1. Check the serial number with SP5-811-002.
  2. If the stored serial number is incorrect, contact your supervisor.