User Guide for HP J5730 / J5740 / J5750 / J5780 / J5785 / J5788
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The HP All-in-One meets product requirements from regulatory agencies in your country/region......
To clean the print cartridge contacts 1...The print carriage moves to the far right side of the HP All-in-One...Wait until the print carriage is idle and silent, and then unplug the power cord from the back of the HP All-in-One......
Lightly press down on the print cartridge to release it, and then pull it toward you out of the slot......
Clean only the copper-colored contacts...Allow the print cartridges to dry for approximately ten minutes......
Related topics Clean the area around the ink nozzles...
Coffee filters are lint-free and work well for cleaning print cartridges......
Inspect the print cartridge contacts for ink and debris buildup...Dip a clean foam rubber swab or lint-free cloth into distilled water, and squeeze any excess water from it...Hold the print cartridge by its sides......