Ricoh D025 Service Manual page 504

SC Tables
No. Sub
code
⇒
681 001 ~
005
061 ~
064
071 ~
074
081 ~
164
D023/D025
Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
D RFID: Communication error due to the following:
Poor connection with harness that connects RFID controller
board and BCU board
Defective RFID controller board.
Defective BCU board
Electrical noise
Check the connection of the harness that runs between the
RFID controller board and BCU board.
Check the connection of the GND line for the ITB unit.
Check the physical condition of this harness and replace it if it is
damaged.
Replace the RFID controller board.
Replace the BCU board
RFID: Communication error due to the following:
Defective RFID reader and writer
Defective RFID controller board
Electrical noise
D
Replace the toner cartridge for the affected color (See table
below).
Replace the BCU board
Replace the RFID controller board.
RFID: Communication error due to the following:
Defective RFID reader and writer
Defective RFID controller board
D
Electrical noise
Replace the toner cartridge for the affected color (See table
below).
Replace the RFID controller board.
RFID: Communication error due to the following:
D
Defective RFID reader and writer
Electrical noise
3-52 SM Appendix