Question about Dell 3000cn Color Laser Printer

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Dark Smear Won't Go Away

This has been a great work-horse printer, but at the moment is not much more than a 70 lb doorstop. I'd like to get this thing working again but nobody I can find locally repairs these printers. So I thought I'd try my hand at fixing it myself.

I'm getting a dark smear down the right side of every page. I've replaced the drum twice, and have replaced all toner cartridges. I've pulled out the cleaning rod and replaced the pad. I even vacuumed all the surfaces I could find to clean inside the printer and still no luck. Any idea what I can try next?

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  • DrKlahn May 24, 2008

    I have a similar problem in a Laserjet 5L. Cleaned the cartridge drum and replaced the cartridge x2. The engine self-test is good even in the smearing area. I suspect damage or contamination of the transfer roller -- I'm going to open the printer and inspect it.

    Assuming the problem is the transfer roller, would someone advise me -- can it be cleaned or should it be replaced?


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It Sounds like you may have damaged, or in some way stained the Fuser Roller.

The roller is situated on the top of the unit under the smaller opening flap towards the rear. release the blue levers and examine the surface of the orange roller, chances are the roller is marked.

New Fuser units are available from a number of UK sources but are pricey at around £100 (100k copies per unit).

The other possible cause is if you are using a refilled black toner cartridge. Dell toner units don;t like being refilled more than 3-4 Times and often leave a "ghost" mark on the page. try a new dell toner in the unit and see if ithat helps.

Posted on Dec 05, 2008

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