HP LaserJet M1120 Multifunction Printer - Manual (Page 88)

Problem-solving checklist
Follow these steps when trying to solve a problem with the product.
Step
number Verification step Possible problems Solutions
1 Is the power on? No power due to failed power source, cable,
switch, or fuse. 1. Verify that the product is plugged in.
2. Verify that the power cable is functional
and that the power switch is on.
3. Check the power source by plugging
the product directly into the wall or into
a different outlet.
2 Does Ready appear in the
product control panel?
The control panel should
function without error
messages.
Control panel shows an error. See Control-panel messages on page 80
for a list of common messages that will help
you correct the error.
3 Do information pages print?
Print a configuration page.
An error message appears on the control-
panel display. See Control-panel messages on page 80
for a list of common messages that will help
you correct the error.
Paper jams when printing. Make sure that media that meets
HP specifications.
Clean the paper path. See Clean the paper
path on page 75 .
4 Does the product copy?
Place the configuration page
onto the flatbed scanner and
make a copy. The copies
should print without print-
quality problems.
Paper jams when printing. Make sure that media that meets
HP specifications.
Clean the paper path. See Clean the paper
path on page 75 .
Poor copy quality from the flatbed. 1. Clean the flatbed glass. See Clean the
scanner glass on page 65 .
2. If, after performing the maintenance,
the problem persists, see
Copy
problems on page 96 .
5 Does the product print from
the computer?
Use a word-processing
program to send a print job to
the product.
Software is not installed correctly or an error
occurred during software installation. Uninstall and then reinstall the product
software. Verify that you are using the
correct installation procedure and the
correct port setting.
The cable is not connected correctly. Reconnect the cable.
An incorrect driver is selected. Select the proper driver.
There is a port driver problem in Microsoft
Windows. Uninstall and then reinstall the product
software. Verify that you are using the
correct installation procedure and the
correct port setting.
78 Chapter 11 Problem solve ENWW