Question about Lexmark C543DN Laser Printer
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Posted on Jan 02, 2017
SOURCE: smudges lexmark c510
First check the rollers of the fuser assembly and drum are free of any greasy spots as if somebody touched them with dirty hands. if they are clean, you may have dirt on the lenses inside of the laser imaging compartment and to clean you must be careful not to scratch them or move them out of alignment. moving the lenses invites a totally different trouble, and plus they are plastic for some reason maybe it is economical that way use a micro fiber cloth only.
Posted on Aug 11, 2008
Your problem is caused by 2 worn photoconductor units. If you open the front door like you are changing toner, the photoconductor units will be mounted to the door that swings down. You will see should see four units one for each color, red, blue, yellow and black. If you look at the red and black units the ends will look different than the blue and yellow. The photo units have teflon coating that wears off and causes your proble. The replacement part number is C53030x and you will need 2 of them. Just replace the red and black ones and your printer will be back to normal. If you can't locate them locally, let me know and we can ship them to you.
Over 21 year of PC and printer support/service
Posted on Jun 19, 2009
The problem could be caused by the photoconductor units. Try to swap the affected photoconductor units (like swap the magenta with black and cyan with yellow). If problem still occurs, then the photoconductors need replacement. I suggest you contact Lexmark Technical Support for assistance. Thanks
Posted on Jul 26, 2010
Testimonial: "Thanks a lot. I just swapped the photoconductor units and now the smudges are black and yellow. I'll order a new unit. Your advice was very helpful."
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