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mr.propper
07-27-2012, 02:00 PM
Hi all,

The C6500 does not turn on.
the display is black and the green power safe LED Status is on.
This error is not in the Service manual described.

i have replaced, without success:


Image processing board (IPB)I/F board (IFB)Image memory control board (IMCB)Program of overall control board (OACB)
Printer control board (PRCB)

do you have another idea?

Mr Spock
07-28-2012, 12:25 AM
After replacing oacb did you flash the firmware. A virgin board from KM does not come with firmware and needs to be loaded via iswtrns program. The machine "boots" straight to this mode and only needs you to run the upload from your pc via usb.

mr.propper
07-28-2012, 08:31 PM
Hi Mr.Spock,

yes i have.
After change oacb the power safe LED flashes red.
I have install I1 - I5 of this with ISW-trans successful.

knightfall
07-29-2012, 03:05 PM
may want to look into this bulletin which description is a dead op panel caused by a short, bulletin 6085.

good luck,

seniortech
08-08-2012, 09:21 PM
DC Power Supply 1/2

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