Code :

Code: C570
Description: Communication error between Engine-CPU and IPC board
Causes: LGC board IPC board
Remedy: LGC board • Check if the LGC board and IPC board are connected properly. • Check if the conductor pattern on the LGC board is short circuited or open circuited. IPC board Check if the conductor pattern on the IPC board is short circuited or open circuited.

Code: C580
Description: Communication error between IPC board and finisher
Causes: IPC board Finisher controller PC board
Remedy: Finisher Check if the specified finisher is attached. IPC board • Check if the harness connecting the IPC board and the finisher controller PC board is disconnected or open circuited. • Check if the conductor pattern on the IPC board is short circuited or open circuited. Finisher controller PC board Check if the conductor pattern on the finisher controller PC board is short circuited or open circuited.

Code: C5A0
Description: SRAM board not connected (LGC board)
Causes: SRAM board LGC board
Remedy: bSRAMoard • Connector check (CN170) • Board check LGC board • Connector check (CN363) • Board check

Code: C5A1
Description: SRAM board data abnormality (LGC board)
Causes: SRAM board LGC board
Remedy: SRAM board • Connector check (CN170) • Board check LGC board • Connector check (CN363) • Board check

Code: C8E0
Description: RADF communication protocol abnormality: The system has to be stopped because the control
Causes: RADF board
Remedy: Power Turn the power OFF and then back ON to check if the equipment operates normally. RADF board • Connector check • Board check

Code: C900
Description: Connection error between SYS board and LGC board
Causes: LGC board IMG board SYS board
Remedy: LGC board • Connector check (CN354) • Board check IMG board • Connector check (CN422, CN423) • Board check SYS board • Connector check (CN135) • Board check

Code: C901
Description: System format error for scanner
Causes: LGC board IMG board SYS board
Remedy: Main power switch Does service call still occur even after turning OFF the main power switch then back ON? SLG board • Connector check (CN12) • Board check SYS board • Connector check (CN135) • Board check

Code: C910
Description: Toner cartridge IC chip access board abnormality
Causes: Toner cartridge LGC board HRNS-LGC-TNRIC-140 CTIF board HRNS-TNRIC-140
Remedy: 1 Does the non-genuine toner cartridge display appear when the front cover is opened and closed? Yes Use the genuine toner cartridge. 2 No 2 2 Toner cartridge • Check the phenomenon by removing the toner cartridges (Y, M, C and K) and reinserting them. • Check that the CTRG board of each cartridge (Y, M, C and K) is installed properly. 3 Contact point on the equipment side Check that the spring of the contact point for each color (Y, M, C and K) is not deformed. 4 Is the spring of the contact point returned when it is pushed lightly? Yes No • Check that the CTIF board is installed properly. • Board check 7 Notes: The spring of the contact point may be released if you push the toner cartridge all the way in when an abnormality occurs. 5 LGC board • Connector check (CN364) • Board check 6 HRNS-LGC-TNRIC-140 • Relay connector check (J556, J557, J558, J559) • Harness check 7 CTIF board for each color (Y, M, C and K) • Check that the board is installed properly. • Board check 8 HRNS-TNRIC-140 for each color (Y, M, C and K) • Connector check • Harness check