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e-STUDIO2020C/2330C/2820C/2830C/3520C/3530C/4520C
ERROR CODE AND TROUBLESHOOTING
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[C4D0] Fuser belt thermopile abnormality
1. Check the thermopile
(1)
Check if the connector of the thermopile is disconnected.
(2)
Check if the harnesses of the fuser belt center thermopile and the fuser belt side thermopile are
open circuited.
(3)
Replace the thermopile.
2. Check the LGC board
(1)
Check if the connector CN333 is disconnected.
(2)
Check if the conductor pattern on the LGC board is open circuited or short circuited.
(3)
Replace the LGC board.
3. Cancel the service call
After repairing the matter which caused the error [C4D0], turn the power OFF and then back ON to
cancel the service call. However, the counter value will be stored until it is written over by the value of
the other service call.
6.2.15
Communication related service call
[C550] RADF I/F error
(1)
Check if the harness connecting the RADF board and SLG board is disconnected or open
circuited.
(2)
Check if the conductor pattern on the RADF board is short circuited or open circuited.
(3)
Check if the conductor pattern on the SLG board is short circuited or open circuited.
(4)
Replace the RADF board.
(5)
Replace the SLG board.
[C570] Communication error between Engine-CPU and IPC board
(1)
Check if the LGC board and IPC board are connected properly.
(2)
Check if the conductor pattern on the IPC board is short circuited or open circuited.
(3)
Check if the conductor pattern on the LGC board is short circuited or open circuited.
(4)
Replace the IPC board.
(5)
Replace the LGC board.
[C580] Communication error between IPC board and finisher
(1)
Confirm the setting of 08 Code 1912.
(2)
Check if the specified finisher is attached.
(3)
Check if the harness connecting the IPC board and the finisher controller PC board is
disconnected or open circuited.
(4)
Check if the conductor pattern on the IPC board is short circuited or open circuited.
(5)
Check if the conductor pattern on the finisher controller PC board is short circuited or open
circuited.
(6)
Replace the IPC board.
(7)
Replace the finisher controller PC board.
