Question about Samsung SCX-4521FG All-In-One Laser Printer

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Problem solution I,ve refill a sumsung scx4521f and was'nt the first time . But the only thing i've experiance for first time is that one side dark and the other side was fadding i even change the drum clean the blade but still no improvement . What could be the cause of it?

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Do you refill right Samsun ink,if that true,clean ink blake.

Posted on Aug 01, 2009


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017


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I lost my sumsung s7 edge and i cant find it when track it says location unavalable, how can i track it.

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How scan legal page in scx4521f

Clean the inner side of the printer and if that does not help, then replace the toner cartridge.

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> Check cartridges, any refilled one?> Perform print head alignment> Shoot color wise CMYK print out, check which color in dark > Verify the colors are spreading on media?> Try with another mediaI hope these steps will give you the solution..

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Black line going down side of paper from HP laserjet 1018

Roller Drum Problem in the cartridge.

If you are printing bulky document it may damage the roller drum causing dark line starting for both left and right paper. It will get bigger once it span of time.

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Or the worst thing is the the FUSER FILM ROLLER (orange plastic roller inside the printer is torn or burn because of heat or bulky printing.

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Have you refilled the toner cartridge or is it refill as when these toner cartridges are refilled they have a tendency to leak. I suggest to remove toner cartridge turn the machine off vacuum out the inside and replace the toner cartridge with a new original. Run 20-30 prints through to get rid of any other loose toner and then should be fine.

If printing doesn't improve then repeat process if still same problem suggest transfer roller to be changed.

Hope this helps
Thanks J

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