Chapter 4 — Troubleshooting and Maintaining the Printer
PF2i and PF4i Mid-Range Printer User’s Manual 111
Adjusting the Printhead Pressure
The pressure of the thermal printhead against the direct thermal
media is factory-adjusted. But, you may need to adjust the printhead
pressure to accommodate thicker or thinner media.
To adjust the printhead pressure
1 Using a slotted screwdriver, turn the adjustment screw clockwise
for more pressure and a darker printout (+) or counterclockwise
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 36.
To return the printhead pressure to the factory default setting
• Tighten the screw (+) as far as you can, and then loosen it (-) six
full turns for a PF2i and four full turns for a PF4i.
Note: Do not use a higher printhead pressure than necessary, because
it may increase the wear of the printhead and shorten its life.
Adjustment screw
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