GPX X642 User Manual

The MFP is not plugged into any surge protectors, uninterrupted power supplies, or extension 
cords.

Other electrical equipment plugged into the outlet is working.

The MFP is turned on.

The MFP cable is securely attached to the MFP and the host computer, print server, option, 
or other network device.

Once you have checked each of these possibilities, turn the MFP off, wait at least 10 seconds, and 
then turn the MFP back on. This often fixes the problem.

Some documents do 
not print.

The documents 
contain unavailable 
fonts.

1 Open the document you want to print in Adobe Reader.

2 Click the printer icon.

The Print dialog appears.

3 Check the Print as image box.

4 Click OK.

The control panel 
display is blank.

The MFP self test 
failed.

Turn the MFP off, wait about 10 seconds, and turn the MFP 
back on.

If the Ready message does not appear, turn the MFP off, 
and call for service.

The message USB 
device 

 

appears when using a 
USB device.

The USB device you 
are using may not be 
supported or has an 
error. Only specific 
USB flash memory 
devices are 
supported.

For information regarding tested and approved USB flash 
memory devices, see 

.