Question about Dell 3100cn Laser Printer

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Streaks on left side

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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Re: streaks on left side


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Posted on Feb 12, 2008

Re: streaks on left side


Posted on Feb 02, 2008

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Clean the roller and the inside of the machine, asny residue on the roller will cause these black streaks. If cleaning doesn't cure the problem you will need to replace it.

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Dell 3100cn streak on left side of paper


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.

I hope this helps!

Feb 22, 2008 | Dell 3100cn Laser Printer

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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.

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Yip, its fuser film alright. You could pick up a fuser unit / kit from:

and fix it yourself using the manual in this post:

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Lexmark t520 suddenly prints poor quality, i.e. the previous page prints softly onto the next page and the right side of the page (2" from right) is streaked with toner. Please help. TIA, Mike

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When printing, I see a vertical streak on the printed page, from top to bottom, about 2 1/4 inches from the left side of the paper, and about 1/16 of an inch wide. I can't seem to see what causes this. The...

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.

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2 Answers

Lines down both the left side of the printouts.

good day,

this usually occurs when you print large volume of copies of documents that goes beyond the printable area of the paper, some powders stick in the roller of your printer hence making the gray streak.

you can check if the rollers have accumulated some powder, if so, have the rollers cleaned.

i hope this will help.

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Your fuser is worn out. Needs to be replaced.

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Sounds like a bad imaging drum to me...

Aug 14, 2007 | Dell 3100cn Laser Printer

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