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Orion2010
09-19-2015, 09:50 PM
Hello all, I have Samsung 4521f I change toner and I print 20 page one moment print and copy more fade and visible behind any ide??

Chrief
09-22-2015, 03:48 AM
check grounding on transfer roller.

Orion2010
09-22-2015, 12:23 PM
thank you

copier parts n.ireland
11-06-2016, 06:42 PM
could be but i would try replacing toner cartridge first

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