This is likely to be either residual toner left from a previous leaking toner or that your toner has leaked in the printer. I would recommend running off 30 or so pages and seeing if the dots begin to disappear. Failing this either replace the toner and request a replacement from your retailer.

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11/21/2012 3:39:54 PM • Samsung... • Answered on Nov 21, 2012

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Printing blank pages

Reinstall the correct printer driver. Download current driver from printer web site.

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10/17/2012 9:50:46 AM • Samsung... • Answered on Oct 17, 2012

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Samsung toner empty

When the toner cartridge is exhausted or empty then theprinter will not be able to print further documents or the prints will be veryfaint. You may be able to print a few more pages by removing thetoner cartridge and shaking the toner cartridge in a horizontal position a fewtimes and then placing it back into the printer. This will give you an opportunity to print a few more pages and giveyou time to purchase a new toner cartridge for your printer. A cheaperalternative is to purchase a re-manufactured toner cartridge for your modelprinter. A re-manufactured printer cartridge also replaces worn partsas well as refilling with toner powder.

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7/28/2011 10:39:36 AM • Samsung... • Answered on Jul 28, 2011

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Samsung SCX-5421F Laster Printer crashes my pc

Have you tried uninstalling and re-installing the software. Perhaps there is an updated driver for your system since you first installed it, or maybe yours is simply corrupted. I would suggest removing and reinstalling will solve the problem - if, in fact, that is your problem -I've not heard of this happening before.

Drivers are here if you need them:

http://www.samsung.com/ca/support/download/supportDown.do?group=printermultifunction&type=printermultifunction&subtype=monochromemultifunction&model_nm=SCX-4521F&disp_nm=SCX-4521F&language=&cate_type=all&dType=D&mType=DR&vType=&prd_ia_cd=06010300&model_cd=&menu=download

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5/14/2011 2:08:00 PM • Samsung... • Answered on May 14, 2011

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Samsung 4521f lsu error

The Laser Scanner Unit or LSU is what writes to the surface of the drum. The glass above the cartridge inside the machine could be dirty. The mirror motor in the LSU could be bad or needing cleaned so it spins better. Laser diode could be bad.

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12/13/2010 11:39:44 AM • Samsung... • Answered on Dec 13, 2010

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False paper jam

sounds like the rollers have gone bad. there are rubber rollers that pull the paper down the paper path. if they are worn, it may grab the paper but will not have a good enough grip on it to send it all the way through. you can see there are replacement rollers for this unit, but usually reconditioning them with some fedron on a q-tip in a well ventilated area does the trick.

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10/12/2010 5:35:59 AM • Samsung... • Answered on Oct 12, 2010

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How to set scx-4521f as default printer for tally

set the printer as default printer in windows. then load tally. tall automatically takes it as ur default printer

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7/28/2009 4:39:57 PM • Samsung... • Answered on Jul 28, 2009

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Fix firmware for scx4623f v2.01.01.01

Dear As the firmware locked and can not update without the serial no. Therefore you may try on line firmware generators, who are selling for money. http://www.firmwaregenerator.com/ Firmware fix Thanks.

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9/27/2022 12:42:54 AM • Samsung SCX... • Answered on Sep 27, 2022

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