Справочник Пользователя для Zebra 49834
Preventive and Corrective Maintenance
Corrective Maintenance—Print Quality Adjustments
57518L-001 Rev. A
3/18/05
170PAX4 Maintenance Manual
143
Printhead Parallelism Adjustment
Adjusting the printhead parallelism squares the printhead to the media path. This ensures the
media and the printhead are in parallel alignment.
media and the printhead are in parallel alignment.
1.
Check the PAUSE Key Self Test labels to insure the uppermost line on the test label is
parallel to the top edge of the label within a tolerance of 0.020 in. (0.508 mm). If the print
lines are not parallel with the top of the label, then the printhead must be adjusted to
achieve parallelism.
parallel to the top edge of the label within a tolerance of 0.020 in. (0.508 mm). If the print
lines are not parallel with the top of the label, then the printhead must be adjusted to
achieve parallelism.
2.
for the location of the adjustment screws used in the following procedure.
Figure 56 • Printhead Parallelism Adjustment (Right-Hand Printhead Shown)
Important •
Prior to starting this adjustment, ensure the installed media is squared with the
peel bar. The media must run parallel to the main frame of the print engine to achieve
consistent print quality. Check for parallelism by measuring the distance from the main frame
to the media where it enters and leaves the print engine.
consistent print quality. Check for parallelism by measuring the distance from the main frame
to the media where it enters and leaves the print engine.
1
Access Caps (2)
2
Access Holes (2)
3
Mounting Screw (4)
4
Parallelism Adjustment Screw (2)
1
2
3
4
3
4
4