Communication Related Service Call - Toshiba e-STUDIO6520C Service Handbook

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, and then perform the automatic adjustment for the original reading
start sensor (05-356).
(5) Replace the SLG board.
[C560] Communication error between Engine-CPU and PFC board
(1) Check if the LGC board and PFC board are connected properly.
(2) Check if the conductor pattern on the PFC 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 PFC board.
(5) Replace the LGC board.
[C570] Communication error between Engine-CPU and CNV ROM
(1) Check if the harness connecting the LGC board and the finisher controller PC board is
disconnected or open circuited.
(2) Check if the conductor pattern on the LGC board is short circuited or open circuited.
(3) Replace the LGC board.
[C580] Communication error between CNV ROM and finisher
(1) Check if the specified finisher is attached.
(2) Check if the harness connecting the LGC board and the finisher controller PC board is
disconnected or open circuited.
(3) Check if the conductor pattern on the LGC board is short circuited or open circuited.
(4) Check if the conductor pattern on the finisher controller PC board is short circuited or open
circuited.
(5) Replace the LGC board.
(6) Replace the finisher controller PC board.
e-STUDIO5520C/6520C/6530C
ERROR CODE and TROUBLESHOOTING
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