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My Dell 1350cnw colour laser printer has started to cover whole page in pink (magenta toner)

6 replies
Found 17th Dec 2014
It will print a few pages fine then start doing this. The print job is still visable but you would think it had been printed on pink paper, anyone have an idea why..?

6 Comments

Could be software issue or laser not discharging magenta opc drum.

Have you tried pulling the toner cartridge out and giving it a gentle shake over some white paper to see if it's retaining the toner properly? Could be a case of the cartridge has suffered a failure and just needs replacement.

Does it only happen with pages printed in full colour? Or does the issue remain when you print in B&W?

I'd also be checking the drivers by uninstalling and reinstalling them from the Dell website.

Original Poster

Astec123

Have you tried pulling the toner cartridge out and giving it a gentle … Have you tried pulling the toner cartridge out and giving it a gentle shake over some white paper to see if it's retaining the toner properly? Could be a case of the cartridge has suffered a failure and just needs replacement. Does it only happen with pages printed in full colour? Or does the issue remain when you print in B&W?I'd also be checking the drivers by uninstalling and reinstalling them from the Dell website.


Thanks for your help
It is quite iregular and happens on b&w text pages as well as colour, I sometimes get say 10 pages fine then it starts.
I think that a full re install sounds like a good idea.
? should the toner cartridge only release toner when installed.

Original Poster

kester76

Could be software issue or laser not discharging magenta opc drum.


Thanks for your help.
I'm going to re install latest drivers and see if it has firmwear update available, what is opc drum btw.

verysleepy

Thanks for your help.I'm going to re install latest drivers and see if it … Thanks for your help.I'm going to re install latest drivers and see if it has firmwear update available, what is opc drum btw.


Organic Photo Conductor. See computer.howstuffworks.com/las…htm . They pretty much work on the same principle as photocopiers.

Check out computer.howstuffworks.com/las…htm . How many drums does your printer have ?
Check out arbikas.com/vie…pdf

As Astec123 said, if the developer in the magenta toner cartridge goes off it will leave a very fine layer of pink toner on everything as the developer can't hold the toner completely and it will give the drum a fine powering, this also happens if the magnetic/ negative dc bias on the toner cartridge roller is set too high and it starts dragging too much toner/developer out.

Developer is like lots of tiny spikey magnetic balls that the toner is mixed in with. The toner sticks to the developer balls and both are dragged onto the magnetic roller until the static charge from the drum drags off the toner leaving the developer to return into the hopper.

See if you can lower the DC Bias for magenta. Possibly in the optimise menu. This will lower the amount of toner picked up but might make your magenta weaker or mottled so best to try it out 1st.




Edited by: "kester76" 18th Dec 2014

Original Poster

kester76

Organic Photo Conductor. See … Organic Photo Conductor. See http://computer.howstuffworks.com/laser-printer.htm . They pretty much work on the same principle as photocopiers. Check out http://computer.howstuffworks.com/laser-printer11.htm . How many drums does your printer have ?Check out http://www.arbikas.com/view/storage/articles/Cartridge_Print_Theory_eng.pdfAs Astec123 said, if the developer in the magenta toner cartridge goes off it will leave a very fine layer of pink toner on everything as the developer can't hold the toner completely and it will give the drum a fine powering, this also happens if the magnetic bias on the toner cartridge roller is set too high and it starts dragging too much toner/developer out.Developer is like lots of tiny spikey magnetic balls that the toner is mixed in with. The toner sticks to the developer balls and both are dragged onto the magnetic roller until the static charge from the drum drags off the toner leaving the developer to return into the hopper. See if you can lower the DC Bias for magenta. Possibly in the optimise menu. This will lower the amount of toner picked up but might make your magenta weaker or mottled so best to try it out 1st.


Thanks again I really appreciate it, sounds like I'll be busy this weekend trying to sort this.
Will keep you posted on the results, " I hate anything technical " thank you.
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