HP Officejet Pro 251dw HP Officejet Pro 251dw - User Guide - Page 57
Solve printer problems, The printer shuts down unexpectedly, Alignment fails - missing or failed printhead
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• Pause Printing is not selected if you are using a computer running Windows. • You are not running too many programs when you are performing a task. Close programs that you are not using or restart the computer before attempting the task again. Solve printer 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. This section contains the following topics: • The printer shuts down unexpectedly • Alignment fails • The printer is not responding (nothing prints) • The printer prints slowly • The printer is making some unexpected noises • Blank or partial page printed • Something on the page is missing or incorrect • Placement of the text or graphics is wrong The printer shuts down unexpectedly Check the power and power connections Make sure the printer is connected firmly to a functioning alternating current (AC) power outlet. For voltage requirements, see Electrical specifications. 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 printer, the alignment fails. If the alignment process fails repeatedly, you may need to clean the printhead, or you might have a defective sensor. To clean the printhead, see Clean the printhead. 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. The printer is not responding (nothing prints) There are print jobs stuck in the print queue Open the print queue, cancel all documents, and then reboot the computer. Try to print after the computer reboots. Refer to the Help system for the operating system for more information. Check the printer setup For more information, see General troubleshooting tips and resources. Solve printer problems 53