There is a faded strip down the left side of printed documents. all colour is fine in the same areas, and it says that the toner has not run out. What may be wrong with it? might it need cleaning and now do i do this?
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Re: faded strip down the left side of prints
If you the image is faded and your toner supply is good, the problem is not the drum but the developer blades in the imaging unit. During the normal use of the printer, there is a buildup of toner that sticks on the developer blade. The developer blade meters the amount of toner that gets to the drum that ultimately makes it to the paper. As the toner buildup increases on the blade, less and less toner that gets to the drum cause the image to fade.
To fix this problem you will need to disassemble the imaging unit and clean the blades or buy a new imaging unit. I have clean my blades and I have a document to show you if you are handy.
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If you have trid a different toner cartridge, then I would first try a new drum (not sure if toner & drum are in same cartridge, some are so you will have to check that) If not that, then I would suggest the transfer roller bar would be my next suspect if the printer has a lot of copies done on it.
It's possible that this could also be down to a toner cartridge inside the printer. I would recommend running off a copy of the colour laser test page found here.
The colour bars towards the bottom of the page separate cyan, magenta, yellow and black. Hopefully you will be able to notice that one colour is affected more than the others and replacing that colour may help.
Apologies if you have tried anything similar previously.
There are two reasons for faded prints. Firstly, faded
print could be due to exhausting toner. If it you have faded prints
even after replacing the toner cartridge or if your current cartridge has
enough toner, it is most likely be
due to dust/ toner dust accumulated at the laser reflecting mirrors inside the printers, which partially blocks laser beams and requires cleaning/ servicing by a professional. Hence, it is recommended that you get the printer checked/ serviced from authorized service center.
When you say "Cleaned the lens" I presume you mean the four LED print heads. Use a spirit to clean them with if the toner dust is hard to remove. I usually just use a finger and wipe the entire length. Make sure there is no foreign item laying on the drum top where the black plastic film is as the led head may not seat properly on it. Clean all the silver high voltage springs down the left side of the printer. They make contact with the drums. If you still have a problem then try printing solid colour blocks ie Yellow, Magenta ,Cyan and Black . This will identify which colour is giving the problem . Change that drum and all should be well.
Just a thought for others... is this an image drum problem?
Also, if you haven't done this yet - try gently shaking the toner cartridges to redistribute the toner. Just make sure you do it gently and over a newspaper or rugs in case some toner spills. One last idea - turn off the printer and turn back on after a few minutes?
I have a SCX-4100 Samsung, replaced the tonger cartridge, it was working fine for a few hundred sheets of printing, but after that, the left side of the page was printed very light, faded. If I run the "Clean Drum", it will print a litter better, but still faded. What can I do to correct this problem? Thank you TT