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solid black copies help!

Kyocera Mita, Copystar

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Old 03-18-2008   #1 (permalink)
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solid black copies help!

Kyocera 4050, copies slolid black whole page,try initialize 906, check main charge and drum unit ok, any idea please help.
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Old 03-18-2008   #2 (permalink)
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Whar does a U000 Maintenance Report look like? Solid black or normal?

=^..^=
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Old 03-18-2008   #3 (permalink)
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had a copystar 5050 last week giving black copies and internal prints. thought it was the engine board due to improper volts from connector "yc7"-pin#4 when running maint. mode 100. (main charge on). we put an engine board in and downloaded current firmware. copier worked for a day and started the black copies/prints again. gutted copier and found nothing apparently wrong-- no signs of arcing, no burnt wires, nothing..after working with it for a good bit, i noticed that during the times when i was getting good copy/prints, i could run maint. mode 100 and all sounded good.. BUT- when i was getting black copies, and running maint. mode 100, i would here a high pitched squeel. replaced the drum ass'y(with main charge unit) and problem solved. turns out the main charge unit was arcing internally..good luck
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Old 03-18-2008   #4 (permalink)
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thank you for good info guys.
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