User`s manual

Chapter 4 — Troubleshooting and Maintaining the Printer
112 PX4i and PX6i High Performance Printer User’s Manual
There are weak spots on the
printout.
Try these possible solutions in order:
• There may be foreign particles on the media. Clean or
replace the media.
• Make sure that your media and ribbon are compatible.
• Make sure that you are using high quality media and
ribbon.
• The contrast may be too low. Try increasing the contrast.
• The printhead may be worn. Replace the printhead. For
help, see “Replacing the Printhead” on page 129.
• The platen roller may be worn. For help, contact your
Intermec service representative.
The printout is dark, overall.
Or,
There is excessive bleeding on the
media.
Try these possible solutions in order:
• Make sure that your media setting is appropriate for the
type of media you are using.
• The contrast may be too high. Try decreasing the
contrast.
• The printhead pressure may be too high. Decrease the
printhead pressure. For help, see “Adjusting the
Printhead Pressure” on page 122.
• The printhead voltage may be incorrect or the energy
control may be faulty. For help, contact your Intermec
service representative.
There are dark lines along the media
path.
There may be foreign particles on the printhead. Clean the
printhead. For help, see “Cleaning the Printhead” on
page 127.
There are white vertical lines on the
printout.
Try these possible solutions in order:
• There may be foreign particles on the printhead. Clean
the printhead. For help, see “Cleaning the Printhead”
on page 127.
• There may be missing dots on the printhead. Replace the
printhead. For help, see “Replacing the Printhead” on
page 129.
Part of a dotted line is missing. Try these possible solutions in order:
• The printhead may be failing. Replace the printhead. For
help, see “Replacing the Printhead” on page 129.
• The strobe signal may be failing. For help, contact your
Intermec service representative.
Print Quality Problems and Possible Solutions (continued)
Problem Possible Solution