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shinchan
01-21-2015, 01:10 PM
hi. all

i was changing new toner cartridge and this happens in the machine. minolta bizhub 501. it was normal before the cartridge run out of toner.

does this result indicate to change developers or opc drums?

hope you guys can help

2770227703

darry1322
01-21-2015, 01:23 PM
Drum is probably beyond replacement time. Cleaning the charge unit may get quality back.

CraigW
01-21-2015, 02:27 PM
Hopefully not generic.

660k You may need something replaced.

Those 420-501 charge coronas are fragile. A single tiny plastic pin with the tension of 2 wires.....not a good combination.

And the way these machines mist you have to keep both coronas cleaned.

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