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View Full Version : Error Code BH-1051 exchange DFCB(ADF control board) then cause J-6502 show up after switch on su


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snoopyed
01-06-2021, 02:34 AM
Hi, I got a weird problem.
BH-1051 shows a request “please close the cover of ADF” Once I open the cover.
This cover is above the paper feed section.
Then there was no response after the cover was be closed .
If I closed cover and restart machine, the request disappears, machine is normally can work.
I checked the cover close/open detect switch (MS301)——> it’s normally.
So I exchanged DFCB with another 1051 then switch on machine.
Then J-6521 which not be noted in the manual show up.
I remove the DFCB then install back to it’s original machine——>J-6502 show up without any paper stay in ADF.
Even I updated the firmware, this problem was exist.
Does any special procedure need to do after replace DFCB?
Many thanks.


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