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Toll Free Number :  Step1: Place the HP Printer over a durable workbench, possibly in a well-lighted and ventilated area. You will be needed a screw driver, a clean rag and alcohol.  Step2: The main printer cover need to be opened and the smaller inner over.  Step3: Unlock the ink cartridge lever, hold the handle and pull it out.  Step4: Look for the printer roller, unclip from the holder.

Toll Free Number :  Step5: The roller need to be hold and clean with the rag damped with alcohol, allow it to dry. The thorough cleaning is needed to remove dust, accumulated ink and other substances that coat the surface.  Step6: Clip the roller back to the printer holder, correct the reinstallation to produce a distinct click as the roller sets into position.  Step7: Turn the printer sideways and look for the jack at the back, remove the two nuts and pull the jack out.

Toll Free Number :  Step8: Clean the black HP Printer roller inside and all the other parts, then reinstall back the jack using the nuts previously taken out.  Step9: Reinstall the ink cartridge back lock the lever down to hold it securely.  Step10: Close the printer and power up. If the error lights still blink, open-up the scanner cover and look for the drive gears.  Step11: Apply oil on the drive gears and close the scanner.  Step12: Power-up the printer again.