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Anonymous posted an answer for this Samsung SCX 4521F All-In-One Laser Printer:
"If you moved the heating part ... there is an optical contact in tha back of the printer:..."
"Get a soft for printing images."
"In the back of the printer, after you take out the back side, there is a contact with two..."
Anonymous posted a question about Samsung SCX 4521F All-In-One Laser Printer:
"My Samsung SCX-4521F print with grey spots on page. I did changed the cartridge but the..."
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