Datasheet
44895L Rev. 3 3/12/04 S400/S600 Maintenance Manual Page 2-29
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If the printing is too light on one side of the label, or if a different thickness of media is
used, the printhead pressure may need to be adjusted to provide the best print quality.
Refer to Figure 2-17 and perform the following procedure:
1. Begin by performing a Pause Key Self Test.
2. After printing a few labels, press PAUSE and check the print quality.
3. If necessary, increase or decrease the toggle pressure using the knurled adjustment
nuts at the top of the toggle shafts.
4. Press PAUSE to continue printing and check for proper print quality.
5. Repeat steps 2 through 4 as needed.
Example 1 • If printing is acceptable on the left side, but too light on the right,
increase the toggle pressure by turning the right toggle pressure knob clockwise.
Example 2 • If printing is acceptable on the right side, but too dark on the left,
decrease the toggle pressure by turning the left toggle pressure knob
counterclockwise.
Notes • Using the lowest pressure that produces the desired print quality can extend
printhead life. Do not increase overall head pressure to increase darkness unless the
continued increase of the darkness setting does not provide satisfactory results.
When using narrow media, adjust the toggle pressure knob that is away from the side
frame to zero or the minimum required for acceptable print. This reduces the wear on
those areas of the printhead and the platen where ribbon and media are not present.
Figure 2-17. Printhead Pressure Adjustment
Toggle
Pressure
Kn
obs
Head-Open
Lever