Question about Canon NP 7130 Black and White Copier
Enter in service mode and do an cartridge adjustment. Maybe the toner is not uniformly distributed in cartridge. Also you can search on internet for service manual, this may help you a lot.
All the best !
Posted on Dec 03, 2017
SOURCE: Canon NP 6030 dark copies
Have you cleaned the slit-glass located behind the drum? Its a thin piece of glass that is about the length of a drum assembly. Check that the drum voltages on the drum label have been correctly installed. Perform a AVPC in service mode to set the primary charge value.
Posted on Oct 24, 2007
hi im jules_09.have check the drum unit and the fuser unit check the two unit.first of all the drum unit the drum may be scratch or damage that goes with the fuser unit too.
Posted on Dec 13, 2007
SOURCE: xerox 5305 copier excess toner
sounds like faulty drum cleaning blade,which is usually contained in the replacement drum module.I would be inclined to take the drum unit back where you got it (unless you replaced it with a second-hand one) 99% certain the problem is contained in that module
Posted on Feb 27, 2008
SOURCE: Canon NP 6218 B&W Copier
try also to change or to service the corona units both the upper corona in the drum unit and the the transfer corona assembly unit down the drum. ok try your best.
Posted on Oct 02, 2008
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