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e-STUDIO200L/202L/203L/230/230L/232/233/280/282/283
TROUBLESHOOTING
5 - 25
5
[E430]
ADU opened during printing
Is the ADU open?
YES
Remove the paper if there is any, then close the ADU.
NO
Is the ADU opening/closing switch working?
(Perform the input check in the test mode: 03-[FAX]OFF/[1]/[F])
l
l
l
l
l
l
l
l
l
l
l
l
NO
1) Check if the connector of the ADU opening/closing switch is discon-
nected.
2) Check if either of the connectors CN562 or CN217 on the ADU board
is disconnected.
3) Check if the connector CN304 on the LGC board is disconnected.
4) Check if the connector pins are disconnected and the harnesses are
open circuited.
5) Check if the conductor patterns on the ADU board and LGC board
are short circuited or open circuited.
6) Replace the ADU opening/closing switch.
7) Replace the ADU board.
8) Replace the LGC board.
YES
1) Replace the ADU board.
2) Replace the LGC board.
[E440]
Side cover opened during printing
Is the side cover open?
YES
Remove the paper if there is any, then close the cover.
NO
Is the side door switch working?
(Perform the input check in the test mode: 03-[FAX]ON/[2]/[F])
l
l
l
l
l
l
l
l
NO
1) Check if the connector of the side door switch is disconnected.
2) Check if the connector CN304 on the LGC board is disconnected.
3) Check if the connector pins are disconnected and the harnesses are
open circuited.
4) Check if the conductor pattern on the LGC board is short circuited or
open circuited.
5) Replace the side door switch.
6) Replace the LGC board.
YES
Replace the LGC board.
