User`s manual

Chapter 4 — Troubleshooting and Maintaining the Printer
124 PX4i and PX6i High Performance Printer User’s Manual
To adjust the printhead pressure
1 Turn the adjustment knob clockwise for more pressure and a
darker printout (+) or counter-clockwise for less pressure (-) and a
lighter printout.
2 Print test labels to check the print quality. For help, see “Printing
a Test Label” on page 51.
To return the printhead pressure to the factory default setting
• Tighten the knob (+) as much as you can, and then loosen it (-)
four full turns.
Adjusting the Label Taken Sensor
If you are using the optional label taken sensor (LTS), you may need
to adjust the sensitivity depending on ambient light conditions and
the reflective characteristics of the back side of the media.
To adjust the LTS
1 Press T to enter the Setup menu, and use the keypad to go to the
LTS menu:
• If you are running Fingerprint, go to SETUP > PRINT DEFS >
LTS.
• If you are running IPL, go to SETUP > TEST/SERVICE >
LTS.