All else works, print jobs configured for duplex will only print simplex, cannot duplex copy. Code is no longer displayed, swapped duplex side registration position sensor and confirmed good sensor, cannot get reading on sensor when in machine when blocked (although other duplex unit sensors display when tripped, we do not know exact sensor name), cannot operate motor in U030, motor manual movement has no drag, fences move fine by hand, removed and cleaned duplex PCB (little to no contamination), no paper stuck in duplex unit socket...is there some reset we are missing? Seems like power is cut only to the fence motor harness/sensor. Now checking connector on engine board YC29 and will follow harness to look for pinching etc.
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Re: KM-8030 no duplex after C1200
Since YC29 does not exist (many thanks to the manual) we reseated and checked YC7 on duplex board and reseated all engine connectors. Still trying to sort out
voltages from engine to duplex board. -
Re: KM-8030 no duplex after C1200
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Paul@justmanuals.comComment
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Re: KM-8030 no duplex after C1200
Do you think this one is on the right track?:
"Call For Service C0460" message intermittently. Steel dust coats the duplex PWB, shortly after the failure of the fuser drive motor & gear, causing unintended conductivity paths on the PWB. Replace duplex PWB (302FB01054). Cleaning the PWB with a soft brush and compressed air has proved ineffective.
=^..^=If you'd like a serious answer to your request:
1) demonstrate that you've read the manual
2) demonstrate that you made some attempt to fix it.
3) if you're going to ask about jams include the jam code.
4) if you're going to ask about an error code include the error code.
5) You are the person onsite. Only you can make observations.
blackcat: Master Of The Obvious =^..^=Comment
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Re: KM-8030 no duplex after C1200
Researched and read that post earlier, I'm hoping its not the board due to my sparse availability of parts for these, wish I had one to swap. We pulled the board, very little metal dusting, looks fine, cleaned anyway. Not sure why the code does not come back yet duplex remains unavailable. Will have to take a closer look in a day or two.Comment
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