Ricoh SPC840DN

• Code: SC231-01 ... SC231-04
• Description: SC231- 01 D FGATE OFF error: Bk
  SC231- 02 D FGATE OFF error: Cy
  SC231- 03 D FGATE OFF error: Ma
  SC231- 04 D FGATE OFF error: Ye
  • The FGATE signal did not turn OFF within the specified time (sec.) after the writing process of the corresponding color ended.
  • The FGATE signal did not turn OFF when the next job of the corresponding color started.
• Causes: • Image processing ASIC defective on IPU
  • Harness between IPU and LDB defective
• Remedy: 1. Turn the main power OFF/ON.
  2. Reconnect the connectors between IPU and controller board.
  3. Replace the IPU.

• Code: SC240-01 ... SC240-04
• Description: SC240- 01 D LD error: Bk
  SC240- 02 D LD error: Cy
  SC240-03 D LD error: Ma
  SC240- 04 D LD error: Ye
  • If LD error terminal of LD driver of corresponding color is asserted after LD initialization.
  • If an error is detected during initialization of LD driver which detects Ith/Ieta of LD of corresponding color.
• Causes: • LD degradation (LD broken, shift of output characteristics etc.)
  • The interface harness damaged or not connected correctly.
  • LD driver defective
• Remedy: 1. Turn the main power OFF/ON.
  2. Check the value in SP2-110-001 to 004 (LD Driver), the default is "0h". • If current value is "0", perform step 4. • If current value is "1", perform steps 3 and 5.
  3. Reconnect the connectors between LDB and IPU.
  4. Replace the LD unit
  5. Replace the harness between LDB to IPU.

• Code: SC272-01 ... SC272-04
• Description: SC272-01 D LD driver communication error: Bk
  SC272-02 D LD driver communication error: Cy
  SC272-03 D LD driver communication error: Ma
  SC272-04 D LD driver communication error: Ye
  In view of parity, 3 retries were performed
• Causes: • BCU defective
  • Harness defective
  • LDB defective
• Remedy: 1. Turn the main power OFF/ON.
  2. Reconnect the following connectors: • LDB-IPU harness • IPU-BCU harness
  3. Replace the LD unit.
  4. Replace the BCU.
  5. Replace the following harnesses: • LDB-IPU harness • IPU-BCU harness

• Code: SC272-10
• Description: LD driver communication error: Other
  LD voltage does not satisfy the specified voltage (5 V).
• Causes: • BCU defective (LD5V Power error)
  • LDB defective (LD drive error)
  • LDB connector defective (loose, broken)
  • Interlock switch defective
• Remedy: 1. Turn the main power OFF/ON.
  2. Reconnect the connectors between LDB and IPU.
  3. Replace the IPU.
  4. Replace the LD unit.
  5. Replace the harness between LDB and IPU.
  6. Replace the interlock switch.

• Code: SC285-01
• Description: Laser Optics Positioning Motor (in LD unit) Power Control Error
  The power supply from PSU is not supplied to the laser optics positioning motors.
• Causes: • Software error
  • Imaging IOB defective
  • BCU defective
• Remedy: 1. Turn the main power OFF/ON.
  2. Update the firmware.
  3. Replace the imaging IOB.
  4. Replace the BCU.

• Code: SC285-02
• Description: MUSIC error
  The results of MUSIC pattern reading failed 4 times. (even if mode e (real time MUSIC) fails, the error count is not incremented (+1))
• Causes:
• Remedy: