Ricoh MP C4504 / MP C5504 / MP C6004 Service Call 202 - 285

19 febrero 2020 Troubleshooting

SC200 (Engine: Image Writing)

SC202-00

Type: D Error Name: Polygon Motor: ON Timeout Error
Error Condition: After the polygon motor turned on, or within the specified time (sec.) after the rpm’s changed, the motor did not enter READY status.

Major Cause:

• The interface harness to the polygon motor driver damaged or not
connected correctly.
• Polygon motor or polygon motor driver defective
• Polygon motor drive pulse cannot be output correctly. (Polygon
controller)
• XSCRDY signal observation failing (Polygon controller)

Solution:

  1. Turn the main power OFF/ON.
  2. Reconnect the connectors between LD unit and IPU.
  3. Check CN586 (a connector with 1 pin) for the polygon mirror
    motor from the PSU.
  4. Replace the LD unit (Polygon mirror motor).
  5. Replace the harness between the LD unit and IPU.
  6. Replace the IPU.
  7. Replace the PSU (or fuses on PSU).

SC203-00

Type: D Error Name: Polygon Motor: OFF Timeout Error
Error Condition: The XSCRDY signal (polygon ready) never becomes inactive (H) within 3 sec. after the polygon motor went OFF.

Major Cause:

• The interface harness to the polygon motor driver damaged or not
connected correctly.
• Polygon motor or polygon motor driver defective
• Polygon motor drive pulse cannot be output correctly. (Polygon
controller)
• XSCRDY signal observation failing (Polygon controller)

Solution:

  1. Turn the main power OFF/ON.
  2. Reconnect the harness between LD unit and IPU.
  3. Check CN586 (a connector with 1 pin) for the polygon mirror
    motor from the PSU.
  4. Replace the LD unit (Polygon mirror motor).
  5. Replace the harness between the LD unit and IPU.
  6. Replace the IPU.
  7. Replace the PSU (or fuses on PSU).

SC204-00

Type: D Error Name: Polygon Motor: XSCRDY Signal Error
Error Condition: During polygon motor rotation, the XSCRDY signal was inactive (H) for longer than one rotation of the polygon.

Major Cause:

• The interface harness to the polygon motor driver damaged or not
connected correctly.
• Polygon motor or polygon motor driver defective

Solution:

  1. Turn the main power OFF/ON.
  2. Reconnect the connectors between LD unit and IPU.
  3. Check CN586 (a connector with 1 pin) for the polygon mirror
    motor from the PSU.
  4. Replace the LD unit (Polygon mirror motor).
  5. Replace the harness between the LD unit and IPU.
  6. Replace the IPU.
  7. Replace the PSU (or fuses on PSU).

SC220-01

Type: D Error Name: Leading Edge: LD1 synchronization detection error: Bk

SC220-04

Type: D Error Name: Leading Edge: LD1 synchronization detection error: Ye
Error Condition: The leading edge LD0 synchronization detection signal of the corresponding color was not output within the specified time (sec.) while the polygon mirror motor was operating at normal speed.

Major Cause:

• The interface harness to the synchronization detection unit damaged
or not connected correctly.
• Synchronization detection board defective
• Beam does not enter photo detector.
• Abnormality around GAVD
• LDB defective

Solution:

  1. Turn the main power OFF/ON.
  2. Check for condensation on the LDB.
  3. Reconnect the connectors between LDB (Synchronizing detector
    board) and IPU.
  4. Replace the LD unit.
  5. Replace the IPU
  6. Replace the harness between LDB (Synchronizing detector board)
    and IPU.

SC230-01

Type: D Error Name: FGATE ON error: Bk

SC230-02

Type: D Error Name: FGATE ON error: Cy

SC230-03

Type: D Error Name: FGATE ON error: Ma

SC230-04

Type: D Error Name: FGATE ON error: Ye
Error Condition: The FGATE signal did not turn ON within the specified time (sec.) after the writing process of the corresponding color started.

Major Cause:

• Image processing ASIC defective on IPU
• Harness between IPU and LDB defective

Solution:

  1. Turn the main power OFF/ON.
  2. Reconnect the connectors between IPU and controller board.
  3. Replace the IPU.

SC231-01

Type: D Error Name: FGATE OFF error: Bk

SC231-02

Type: D Error Name: FGATE OFF error: Cy

SC231-03

Type: D Error Name: FGATE OFF error: Ma

SC231-04

Type: D Error Name: FGATE OFF error: Ye
Error Condition: • 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.

Major Cause:

• Image processing ASIC defective on IPU
• Harness between IPU and LDB defective

Solution:

  1. Turn the main power OFF/ON.
  2. Reconnect the connectors between IPU and controller board.
  3. Replace the IPU.

SC240-01

Type: D Error Name: LD error: Bk

SC240-02

Type: D Error Name: LD error: Cy

SC240-03

Type: D Error Name: LD error: Ma

SC240-04

Type: D Error Name: LD error: Ye
Error Condition:

• 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.

Major Cause:

• LD degradation (LD broken, shift of output characteristics etc.)
• The interface harness damaged or not connected correctly.
• LD driver defective

Solution:

  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.

SC272-01

Type: D Error Name: LD driver communication error: Bk

SC272-02

Type: D Error Name: LD driver communication error: Cy

SC272-03

Type: D Error Name: LD driver communication error: Ma

SC272-04

Type: D Error Name: LD driver communication error: Ye

SC272-10

Type: D Error Name: LD driver communication error: Other
Error Condition: In view of parity, 3 retries were performed

Major Cause:

• BCU defective
• Harness defective
• LDB defective

Solution:

• Cycle the main power off/on
• Replace the LD unit
• Replace the harness
• Replace the IPU board

SC285-00

Type: C Error Name: MUSIC error
Error Condition: The results of MUSIC pattern reading failed 4 times.
(even if mode e (real time MUSIC) fails, the error count is not
incremented (+1))

Major Cause:

• TM sensor defective
• ITB defective
• PCU defective
• LD unit defective
• MUSIC pattern density thin

Solution:

• ITB reset
• PCU reset
• Toner replenishment
• Replace the TM (ID) sensor
• Replace the ITB
• Replace the PCU
• Replace the LD unit

 

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