Question about Dell 5100cn Laser Printer

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Dell 5100 Magenta

Cory, excuse the direct email, your discussion of the Magenta problem caught my attention, but I did not want to hijack the thread. If you want to cut and paste this message into a new Thread, please feel free to do so. I actually have the opposite problem, my (k-5 school) 5100 is printing without Magenta. Here's what I found. At first, I could tell that there was a problem with the Magenta, because when I ran just the magenta developer, it made a noise like skipping gears, while all of the other tonerer motors were nearly silent. I tested the toner motor itself (by swapping it with another, and I carefully examined all of the gears in the toner tray, to find no evidence of stripping or damage of any kind. So I ended up turning my attention to the cork screw inside the plastic tube (which I didn't know was in there until I disconnected the plastic tube from the toner tray. WOW! What a mess I made! Not to mention losing lots of expensive toner. Anyway, I ended up disconnecting the hose from the developer too, and cleaned out the entire tube, making sure that the spring-loaded thing at the developer end was free to move in and out. I reconnected the hose to the developer (which was kind of difficult btw) reassembled everything, and Voila! No more noise, magenta appears to be fixed! Much to my disapointment however, the Magenta toner is still not making it onto the page. Could I be so bold as to ask your advice? Thank you, in Advance.

Paul DeMille
Technical Support
Bellefonte Area School Distict
Bellefonte, Pennsylvania

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Hi Paul,

I don't mind the direct email at all.

The corkscrew in the tube is actually there to feed toner from the toner cartridges through the tube, to the developer itself.

Unlike some other model printers, where the toner and photodeveloper are all in one housing, the 5100 toners are just that, toner cartridges that feed toner. You will never fix a print quality issue on the 5100 by changing toners unless the toner is empty.

now the question here is whether or not you disconnected the spring from the motor that actually turns it and causes it to churn the toner. If it is not connected, then you will never draw toner down the tube into the developer assembly.

I most cases, the developer will be the cause of the problem when you have tinting, streaking, or even missing colors.

if you disassembled the printer far enough to get to the tubes that plug into the developer frame, you were almost to the point you need to get to to remove the developer frame from the printer.

all you have to do is remove all 4 hoses, the single electical connector at the top of the frame, and then the frame will pull lose from the printer.

If you do remove it, take care to keep the frame upright or you will spill toner from all 4 developers.

This is the unit you should inspect to make sure it can turn freely, after it is removed from the frame.

there are only 2 clips, one on each side of each developer assembly that hold it to the frame. If you remove the Magenta developer, make sure that you can turn the gear. it should be firm, but not tight.

If you do remove the developer frame, make sure you clean the ROS glass. This is actually the printhead, located behind the frame when removed, so be careful.

only wipe with a soft lint free cloth, and only wipe in one direction to prevent smearing. Do this before reinstalling the developer frame.

Once you are reassembled ( if you changed the magenta or not ), make sure you go into Maintenance, and developer cleaning, and then clean each developer. Be careful not to touch the HVPS, but try to do this with the top cover off so you can see if the spring in EACH tube actually churns the toner while cleaning.

Feel Free to write again to comment or just let me know how you did.

Please do take a moment to rate this solution please...

Thanks,

Cory

Posted on Oct 31, 2008

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