Question about HP LaserJet 2420 Printer

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During printing the along the left side there is a black mark. Like the roller is drity.

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Depending on what the mark looks like depends on whether you can clean a component or have to replace the cartridge. If it is a small black dot at a consistent repetitive interval repeating 6-8 times/page then you may be able to clean it. If this is the case there is likely a piece of debris on the primary charge roller, it is a black rubber roller that should be visible trough the slot on the top of the cartridge. To clean the debris off you will need a dry clean Q-tip. You will have to rotate the imaging drum manually from the underside towards the end of the cartridge that goes into the printer first. Do this slowly and watch for a spot on the PCR where the defect on the page is. Hopefully you can find it and clean it off, if not you will have to replace the cartridge.

Posted on Feb 02, 2010

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1 Answer

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To clean the yellow toner off the roller use a DRY lint free cloth. For this issue my suggestion for a resolution to the Yellow toner issue is replace the toner. They are not supposed to leak in the first place.

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