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7
Troubleshooting
The HP Photosmart printer is designed to be reliable and easy to use. This chapter
answers frequently asked questions about using the printer and printing without a
computer. It contains information about the following topics:
● Printer hardware problems
● Printing problems
● Error messages
For additional troubleshooting information, see:
● Software installation troubleshooting: The Quick Start booklet that came with
the printer.
● Printer software and printing from a computer troubleshooting: The
onscreen HP Photosmart Printer Help. For information about viewing the
onscreen HP Photosmart Printer Help, see Welcome. Macintosh users should
also check for troubleshooting and readme options on the HP Photosmart Menu
in the Dock.
● Macintosh users should check for troubleshooting and readme options on the
HP Photosmart Menu in the Dock.
Printer hardware problems
Before contacting Customer Care, read this section for troubleshooting tips or go to
the online support services at www.hp.com/support.
Note If you want to connect the printer to a computer with a USB cable, HP
recommends using a cable of less than 3 meters (10 feet) in length to minimize
injected noise due to potential high electromagnetic fields.
The On light is flashing green but the printer is not printing.
The printer is busy processing information. Wait for it to finish.
The On light is flashing red.
The printer requires attention. Try the following:
● Check the printer screen for instructions. If you have a digital camera connected
to the printer, check the camera screen for instructions. If the printer is connected
to a computer, check the computer monitor for instructions.
● Turn off the printer, then unplug its power cord. Wait about 10 seconds, then plug
it in again. Turn on the printer.
HP Photosmart 8400 series User's Guide 51