Zebra 49834 ユーザーズマニュアル
Preventive and Corrective Maintenance
Corrective Maintenance—Print Quality Adjustments
57518L-001 Rev. A
3/18/05
170PAX4 Maintenance Manual
149
Printhead Pressure Adjustment
Using lower printhead pressure and darkness settings can extend printhead life. If printing is
too light on one side, or a thick media is used, or a narrow width media is used, printhead
pressure may require adjustment.
too light on one side, or a thick media is used, or a narrow width media is used, printhead
pressure may require adjustment.
1.
Perform the PAUSE Key Self Test by pressing PAUSE while turning On (l) the print
engine.
engine.
Figure 59 • Adjusting Toggle Pressure (Right-Hand Printhead Shown)
2.
To increase printhead pressure, loosen the upper knurled nut on the toggle and adjust the
lower knurled nut downwards. Bring the upper nut down to lock the lower nut in place.
lower knurled nut downwards. Bring the upper nut down to lock the lower nut in place.
3.
To decrease printhead pressure, loosen the upper knurled nut and bring the lower knurled
nut upwards. Bring the upper nut down to lock the lower nut in place.
nut upwards. Bring the upper nut down to lock the lower nut in place.
4.
Adjust the printhead pressure for optimum print quality.
5.
Adjust
DARKNESS
to the optimum level for the installed media.
Note •
Different media and ribbon combinations may require different toggle pressure
settings. An initial setting can be obtained by turning the lower knurled nut clockwise until the
distance from the bottom of the toggle bracket to the top of the lower knurled nut equals 0.24–
0.39 in. (6–10 mm).
distance from the bottom of the toggle bracket to the top of the lower knurled nut equals 0.24–
0.39 in. (6–10 mm).
1
Locking Nut (2)
2
Strip Plate Adjusting Screw (2)
3
Strip Plate
4
Lower Toggle Adjustment Nut (2)
5
Upper Toggle Adjustment Nut (2)
1
2
3
4
2
5