HP Deskjet 450 Mobile Printer series - Manual (Page 49)

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7 Troubleshooting
This chapter provides solutions to common problems, such as paper jams and
poor print quality. If your printer is not operating properly and these suggestions
do not solve your problem, try to print a diagnostic page, and then contact HP
Customer Support (see
Printing diagnostic and configuration pages and
Customer Support ).
General troubleshooting tips
If you have a problem with the printer or have trouble printing, first try the
following troubleshooting tips to help diagnose and solve the problem:
Complete the quick checkup steps.
Print a diagnostic page and a configuration page to help you diagnose
printer problems.
Quick checkup
The following steps can help you identify and solve printer problems.
Step 1: Check the power
Make sure the power cord and power adapter are connected firmly to the printer
and to a working outlet and that the printer is turned on.
If you are using battery power, check the Power LED to make sure the battery
power is not low:
Lights up in green when 41-100% charged
Lights up in amber when 10-40% charged
Lights up in red when less than 10% charged
For more information, see Charging and using the battery .
Step 2: Check the front access cover
Make sure the front access cover is closed.