Question about Konica Minolta DiALTA Di200 Copier
F-28 codes deal with a corona unit arching.
if its a f-28-1 its the charge corona on the drum unit. more than likely its a f-28-3 though which is a seperation corona arch. these models were notorious for the insulating material that transfers voltage from the machine, to the door then back to the corona would eventually break down and start casuing arching.
what to look for, open the right side door and halfway down you will see a black peice of plastic sticking out that is attached by to screws. this needs to come off, but to get this off you will also need to remove the door opening bar. a total of 4 screws and you can have the black plastic peice in your hand. once off flip it over and open the back cover up. you will see 2 grey peicesof insulating material, one will be burnt the other will be fine. from here on it is up to you as to how you fix it. using an insulating tape that is cut to the opeing is an appropiate fix but it must be able to withstand high voltages. put it all back together and it should work.
Posted on Apr 15, 2008
Just fill it up with silicon put back on machine will fix the the problem i have millions of them
Posted on Apr 09, 2009
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