Code :

Code: C5A7
Description: When LCF is setting,Tray2 software Error or Tray3 software Error is report from PU. Interchange the error to LCF Software Error by CU. Occur:Detect flash memory software error of Tray.
Causes:
Remedy: Undetected flash memory software error of Tray3.

Code: C5B5
Description: When LCF is setting, Tray2 Clock Adjust Error or Tray3 Clock Adjust Error is report from PU. Interchange the error to LCF Clock Adjust Error by CU.
Causes:
Remedy: Replace the Tray board

Code: C91A, C91B, C91C
Description: RFID reader I/F erro
Causes: Interface error with the RFID reader is detected. 01: Communication error between the RFID reader and the engine circuit boards. 02: Error in the wireless circuit of the RFID reader 03: Communication error between the RFID reader and the toner cartridge. 04: Error is detected in the RFID toner cartridge. (In more than 4)
Remedy: 01: Same as the error no. C91D 02: Replace the RFID R/W board. 03: Check for normal connection of the antenna cable. 04: Check if quantity of the toner cartridge is correct or not.

Code: C91D
Description: RFID Reader not Installed
Causes: RFID read device error Does this error recur?
Remedy: Check for normal connection of the RFID R/W board. Replace the RFID R/W. Replace the PU board.