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Cleaning the drum units of HP Printers

Deterioration of print quality or marks on prints may be due the drum units needing a quick and easy clean.

What are the drum units? A drum unit is an electrically charged cylinder that transfers the powder onto paper and is not to be confused with the toner cartridges. It is advised that cleaning is done on the drum units once in awhile to ensure the consistency of the quality of your prints.

 

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