Zebra 49834 Benutzerhandbuch

Corrective Maintenance—Print Quality Adjustments

57518L-001 Rev. A

3/18/05

170PAX4 Maintenance Manual

147

Now that the printhead is parallel to the media and is balanced, adjusting the printhead 
position adjusts the head for optimum print quality. This is fine tuning the print engine.

 for the location of the printhead position adjustment screws used in the 

following procedure.

Check that the printhead is in the default position, with the printhead elements ahead of 
the crest of the platen roller.

Perform the PAUSE Key Self Test by pressing PAUSE while turning On (l) the print 
engine.

Loosen the four screws at the top rear of the print mechanism.

Insure the printhead parallelism has been adjusted before continuing.

Access Cap (2)

Platen Roller

Access Hole (2)

Print Elements

Mounting Screw (4)

Printhead

Adjustment Screw (2)

These four screws clamp the print mechanism in position once the position 

adjustment is completed. For proper adjustment, these screws need to be loosened then 
gently tightened again until only slight movement of the print mechanism is permitted.