Question about Samsung ML 2010 Laser Printer

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White Streaks down left side of page.

Hi ,

I filled my toner arm the the proper toner as usual and the print on left side of page is still faint with white streaks through it.

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Re: White Streaks down left side of page.

Shake the toner hard and try again. It should work.

Posted on Dec 20, 2007

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How do you clean the copper parts of the cartridge

Turn the printer on and then fill the paper tray with paper.

If this is an HP printer, press the "Setup" key until "Tools" is shown on the control panel display screen. Follow equivalent steps for other printers by reading the user manual.

Press "OK." If your printouts continue to be faint, show white line streaks or smudges, go to the next step to clean the contacts on the print cartridge.

Open the print cartridge access door. Wait until the print cartridge moves all the way to the right side and completely stops.

Remove the power cord from the electrical outlet.

Press down on the top of the cartridge and lift it up toward you holding it by its sides. Avoid touching the copper area when you lift it out of its slot. Sit it down on a flat surface, such as a table.

Wet a lint-free cloth with water and squeeze out any excess.

Pick up the cartridge by its sides and avoid touching the copper area.

Gently wipe the copper contacts of the print cartridge with the dampened, lint-free cloth. Be careful not to wipe the copper nozzle part on the bottom of the copper cartridge.

Let the print cartridge dry for 10 minutes and then plug the power cord back into the electrical outlet.

Reinstall the print cartridge. If your printouts continue to be faint, show white line streaks or smudges, go to the next step to clean the nozzle area (copper bottom part of the print cartridge.).

Repeat steps 4 through 7 and then gently wipe the nozzle area with a clean, dampened lint-free cloth.

Let the print cartridge dry for 10 minutes and then plug in the power cord back into the electrical outlet.

Reinstall the print cartridge. If the ink is faint, or streaks or lines show on your printed pages, the old print cartridge may be defective and cannot be cleaned. Replace the old print cartridge with a new one.

*If you need any technical help on printer then you can reach at

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I'm not familiar with this model but have you ran the cleaning mode if it has one?

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First make sure that the print cartridge has enough toner. If the toner is OK, it is most likely be due to dust/ toner dust accumulation at the laser reflecting mirrors inside the printer, which partially blocks laser beams and results in faint print. Therefore the printer requires cleaning/ servicing by a professional.

Hope it helps! Good Luck!

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There are 3 parts to the imaging process that could cause your issue. You have the toner (x4), the imaging drum unit (Q3964A) and the fuser unit. If you are getting streaks from all colors, one or more these parts are the issue.

Let's start with the easy stuff:

Open the cover as if you were replacing toner where you can "visually" inspect the toner and imaging drum. Pull the drum out and pull back the "plastic shutter" on the top, this will expose a green drum CAUTION! Too much exposure to light and touching it can cause damage. Just take a quick look trying to see if any of the lines on your page match any marks on the drum. Check the bottom half of the unit as well there should be a white section across the bottom, expect that as well.

Next look at the toner, if you can look at any other color but black it will help you look for the streak marks a lot easeier. If you couldn't see any streaks on the drum on toner cartridges, it's time to look at the fuser unit. Power the machine down and turn it around, unplug it then fold down the blue clips and CAUTION! the fuser heats the toner to the page so if it's been used recently it may be hot. once the clips are down, just pull straight back and look for the streak marks.

Sorry for the book, but I hope it helps.

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Usually if there are streaks you need to change the pcu that is the same color as the lines. If the streaks are gray it also could be the fuser, but i would think it is the pcu.

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replace the toner cartridge or get the cartridge refilled as its about to empty .

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you have 2 problem.
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HI there it would need a PCU (Photo Condustor Unit) or drum unit which ever you prefer.

Thanks J

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