Question about Canon PC-940 Black and White Copier
I have a black streak about an inch or so across every page I copy. Tried a new cartridge. Can I assume there's something somewhere that I havent cleaned? Any clues would be appreicated, especially since the nearest service center is a 5 hour round trip drive from here.
Either the Fuser/Heating unit is bad, or the optics are dirty.
What you can try to do to narrow it down, is to make a copy but.. STOP the machine in mid process by turning the power off. This will create a paper jam in the machine. If timed properly, your copy should be 1/2 way through the machine with some image on it. (Make sure that you are trying to copy something on the glass). The copy is not FUSED, so the toner will wipe off so be careful not to rub the page against your clothes/sleeve. IF the black line is on the page at this point, the problem is not in the fuser but probably in the fiber optics. If the problem is in the optics and will need to be cleaned. If the black line is NOT on the page at this point, then the fuser unit is bad and needs to be replaced.
Let me know how the copy comes out when you stop the machine in midway and I can see if i can give you any more suggestions.
Posted on Feb 13, 2008
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Posted on Jan 02, 2017
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