Bought this printer with the wrench symbol showing and found it had 2 errors. We fixed the other error, but cannot find how to fix this one.
Here are the steps they recommend in the users manual for a c55 error.
5.1.11 Optional communication related service call
[C55] ADF I/F error
[F11] ADF I/F error
(1) Check if the connector CN71 on the ADF/RADF board is disconnected.
(2) Check if the relay connector between the ADF/RADF board and the PFC board is disconnected.
(3) Check if the connector CN246 on the PFC 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 ADF/RADF board and the MAIN board are short circuited
or open circuited.
(6) Replace the ADF/RADF board.
(7) Replace the MAIN board
Testimonial: "So far Jim is the only person who has given me any advice on how to tackle the issue, which I'm very grateful for. Only problem is I have no idea what all the parts are that he's referring to. I've just sent another question, hoping he can point me in the right direction. "
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