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KF6LVR

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Vertical Blank Lines from Dell 3100cn Color Laser

Vertical Blank Lines from Dell 3100cn Color Laser

I have a Dell 3100cn Color Laser printer that is about 18 months old.  Just recently, when printing out any document, I get a blank vertical line that affects the black toner.  Upon opening up the printer and removing the drum, and rotating to the black cartridge, there is a space on the mag roller where the toner doesn't seem to cover.  I can move toner to the blank spot with my finger or card and the printer will print okay for a couple of pages.  The problem will then repeat.  The blank spots on the mag roller line up with my page.

I don't have the luxury to try a new drum but I don't think it is the drum because the other 3 colors print fine.  I'm looking for any reasonable solution.
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michko
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Replace the black toner cartridge.
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KF6LVR

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I forgot to mention that the toner cartridge had been replaced.  I even tried it with another cartridge in addition.
Ah well, should have guessed it wasn't going to be that easy.

Is there anything that looks like it may be brushing against the mag roller and knocking off the toner?  Other than that, try a new mag roller.

I'd suggest the fuser, but it's not a fusing problem, it's a problem with toner getting to where you need it.
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It doesn't look like the mag roller is a user replaceable part.  I tried to see if there was anything knocking off toner but it doesn't appear to be.  The only thing that might be possible would be the drum, since the black toner sits towards the back of the machine.  There's just no evidence(toner) of it on the drum.

This is one of those things that has me stumped.  There were some ideas in the dell forums but they didn't help much.
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michko
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Still no luck.  I give up on this.  Time to do an "Office Space" on this thing.  Thanks for trying.
Well, sorry it didn't resolve the problem, thanks for the points though.

My next suggestion would have been the controller board.  They tend to be pretty expensive, not as much as a new printer, but getting there.  I tried Dell's site again, but finding a part there is just ridiculously difficult.  That's one of the reasons we tend to stick with HP printers.

Best of luck.