Hey Will,
I know the Kon 7255/7272 had problems with the display becoming very faint. You are correct it is the board not the LCD itself. When I had a bunch of these in the field I would get the board repaired by Hytec dealer services in Fla. Around $70
Funny the Minolta cross Di-5510/7210 operation boards didn't go bad like the Konica version. As you probably know the operation boards are different.
Thanks for the info but already checked with Hytec and they don't repair them or support them any longer no does Konica Minolta. That's why I was hoping someone would have a good used operation board part #56QA-9031 . If you have one please let me know or if you know someone that does have them contact me at 847-398-5212 or email me at ctcopier@sbcglobal.net
I will look to see if I have one. I do remember the tech at Hytec said the repair was always for cold solder joints. I had at least 10 repaired there but that was a few years ago. I would take a look at board and see if any cold joints, maybe resolder. Or wrap in alum foil and bake in oven at 300 degrees for 10 mins. What do you have to lose?
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