Question about Dell 5100cn Laser Printer
User manual, please download all links, thank you. They all will help you together.
Online service manual above, this has the troubleshooting and repair procedures, the top link, is your user manual, this has the codes you need to reset your printer.
This above link, show you how to fix the problem. of "Bleeding Magenta".
The below text, is a couple of other possibilities, if the simple thing don't work..
If you open the front door (lifting the square latch on front) then open the top drum door, what does the exposed portion of the drum look like? I would bet it's a shade of Magenta. Normal color should be a dark charcoal gray. Lift the drum unit out and examine the interior. Lots of loose toner around? This stuff will need to be cleaned out. Use a laser vacuum if you have one. If not, be prepared to ruin the vacuum cleaner. Toner particles will cause damage to the motor IF it's a model that has airflow thru the motor for cooling, a common practice. Standard filter bags will let toner pass thru them. You need a vacuum cleaner with a HEPA filter that is before the motor or impeller.
While the drum unit is out, clean everything metal that you see. Most of the metal pieces you see are High Voltage and Ground contact points. Electrical cleanliness is critical inside this color laser. An old, clean tee-shirt works great for this.... of course, one that you don't want to wear anymore. NOTE!! Remove the Power cord from the printer while working inside it.
Very important..... Are you using genuine Dell toner? If not, this is probably only the beginning of more problems. The company that makes these printers for Dell has a trade secret on the toner formulation. Compared with 3rd party toners, it is not the same and will eventually ruin the inner workings of the printer.
Also could be this as you have already done electronic repairs?
-Poor contact in the developing bias contacts of the
high-voltage PCB and the print cartridge=Clean the contacts. If they are still dirty after
cleaning, or if they are damaged, replace the print
cartridge or the high-voltage contacts. Replace the
2-Primary charging roller is defective=Replace the print cartridge for the missing color.
3-Laser/scanner unit is defective=cle<r o Replace the laser/scanner for the missing color.
Calibrate the printer after replacing the
4-High-voltage PCB is defective.
5 dc controller
Posted on May 06, 2010
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Posted on Jan 02, 2017
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