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Printer laser color HP MFP-M176N defect in printing

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eletmoraes

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Printing shows blurry and failed, which may be the defect? Attached images of printing.

WP_20160207_10_54_55_Pro.jpg
WP_20160207_10_55_15_Pro.jpg
 

It's laying down toner mixes improperly. A lot of things need to be right for a laser printer to work properly.

* The drum must be clean and smooth and shiny. Once residue gets on the drum, it causes stuff to stick to it. This gums up operation. You must clean the drum with the right solvent.

* The toner cartridge must not be broken, nor have objects obstructing smooth passage of toner. Can you spot any pieces of paper blocking it?

- - - Updated - - -

* I believe there is a cleaning device which wipes the drum free of excess or unused toner before doing a job. The wiper must be clean.
 

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