HP Officejet Pro 8620 User Guide - Page 145
Solve printer problems, The printer shuts down unexpectedly, Printhead alignment fails
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Solve printer problems This section contains the following topics: ● The printer shuts down unexpectedly ● Printhead alignment fails ● Paper-feed problems ● The printer cannot read the memory device The printer shuts down unexpectedly Check the power and power connections ● Make sure the printer's power cord is connected firmly to a functioning power outlet. Check the Schedule on and off feature ● The printer's Schedule On and Off feature will turn off the printer at the time you set. Check if you enable the Schedule On and Off feature. For more information, see Manage Power on page 5. Printhead alignment fails If the alignment process fails, make sure you have loaded unused, plain white paper into the input tray. If you have colored paper loaded in the input tray when you align the ink cartridges, the alignment fails. If the alignment process fails repeatedly and the print quality is poor, you might need to clean the printhead. To clean the printhead, see Clean the printhead on page 155. If cleaning the printhead does not solve the problem, contact HP support. Go to www.hp.com/support. This website provides information and utilities that can help you correct many common printer problems. If prompted, select your country/region, and then click Contact HP for information on calling for technical support. Paper-feed problems TIP: You can visit the HP online support website at www.hp.com/support for information and utilities that can help you correct many common printer problems. Paper is not picked up from a tray ● Make sure paper is loaded in the tray. For more information, see Load paper on page 23. Fan the paper before loading. ● Make sure the paper-width guides are set to the correct markings in the tray for the paper size you are loading. Also make sure the paper guides are snug, but not tight, against the stack. ● Make sure paper in the tray is not curled. Uncurl paper by bending it in the opposite direction of the curl. ENWW Solve printer problems 129