Troubleshooting, Troubleshooting tips and resources, General troubleshooting tips – HP Officejet Pro K850dn Printer User Manual
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Troubleshooting
Troubleshooting tips and resources
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For a paper jam problem, see
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For paper-feed problems, such as the paper skew, see
.
Some printer problems can be resolved by resetting the printer.
To reset the printer
1.
Press (Power button) to turn off the printer.
2.
Disconnect the power cord from the printer.
3.
Wait about 10 seconds, and then reconnect the power cord.
4.
Press (Power button) to turn on the printer.
General troubleshooting tips
Ensure the following:
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Power light is on and not blinking. When the printer is first turned on, it takes approximately 45
seconds to start up.
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No error messages appear on the computer screen.
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No lights on the control panel are on or blinking. See
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Power cord and other cables are working and firmly connected to the printer. Make sure the
printer is connected firmly to a functioning alternating current (AC) power outlet and is turned on.
See
for voltage requirements.
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Media is loaded correctly in the tray and is not jammed in the printer. See
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Printheads and ink cartridges are properly installed in their correct color-coded slots. Press down
firmly on each one to ensure proper contact. Ensure you have removed the tape from each
printhead.
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Printhead latch and all covers are closed.
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Rear-access panel or automatic two-sided printing accessory (duplex unit) is locked into place.
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All packing tapes and materials are removed from the printer.
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Printer can print a configuration page. See
Understanding and printing the configuration page
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The printer is set as the current or default printer. For Windows, set the printer as the default in
the Printers folder. For Mac OS, set the printer as the default in the Print Center or Printer Setup
Utility. For more information, see your computer's documentation.
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Pause Printing or Use printer offline is not selected if you are using a computer running
Windows.
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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.
ENWW
Troubleshooting
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