I've had a 3100cn for 2 years and have printed about 25,000 pages. Suddenly I started getting 2 brown streaks about 1/4" wide on the entire left edge of the page. This happens on both color and black & white prints. The more pages printed at a time, the darker and wider these streaks get. I reseated all the cartridges but it didn't help. Is this a drum problem or something else? I took the drum cover off the drum and tried it but I still have the same problem. So the cover must not be causing the problem. I am getting a "Drum Cartridge Replace Soon" message but I thought the drum is supposed to last a lot more than 25,000 prints. Is the streaks a symptom of a drum needing replacement?
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I would definitely check your margins on the printer and also look at the properties of the photos you are printing bc they may also be set a certain way. Does this happen on every photo you try to print? If that is the case, then it is definitely something with the settings on your printer or the picture itself. It may take a little time but I think this should resolve your problem. The other thing is your camera could also be going bad, i had one that did that so check that last. Also, if you had to install any photo software for the picture/camera you have, then uninstall it and reinstall the software.
Sounds as though the fixing film assembly ( FM2-1793-020 ) in the fuser has developed a build up of toner causing what is normally called offset. You may also have to replace the lower pressure roller ( FC5-7207-010 ) also. You will have to remove the right side covers, door, and then the fuser assembly. Rebuilding the fuser has some challenges until you've done it a couple of times. Good Luck.
this sounds like you have a fuser problem look at the fuser and see if it has toner build up on the rollers ghost printing can be caused by the toner cartridge or the fuser. this would indicate that your fuser isnt maintaining enough heat for complete fusing. is you take the rear covers off and run your print job. look to the far left side of the fuser and you will see the heat lamp lit up. this light should cycle on every 1 1/2 pages or so. any longer than that and it wont keep up with the print job
This is more than likely down to the upper roller in the fuser assembly. It's the heat roller at the back of the printer. The upper roller wears so paper dust and toner stick to the roller which then can get deposited back on to the page.