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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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.
According to HP if the problem is only when you print from your PC or Mac then you need to reinstall the printer driver. If the problem is also when you print just from the printer, i.e. scanning or test page, then the problem is with the printer.
Do the test for running and cleaning new cartridge heads and the alignment procedure..
(Go to Start, settings, printers, right click on printer then click properties, cartridge maintenance.)
Other thing that might cause problem is build up of ink in right side of machine below printer cartridges.
You will have to strip down machine to get at this area.
Make a note of exactly what action you take when doing this so that you can bits back together.
I use cotton buds to get at the build up of ink or tissue wound round end of pointed object.
Go gently. When you have cleared what you can care reassemble bits and go through above procedure again. Check for any unusual noises that may denote part of mechanism has worn.
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