Aligning The Printhead To The Print Roller - CAB HERMES Q Series Service Manual

5 Adjustments
5.4.2

Aligning the Printhead to the Print Roller

In order to achieve the best possible print image the following printhead settings are necessary:
• Setting the parallelism of horizontal lines and the edge of the label.
• Aligning the heating line to the top of the print roller. This is the position with the highest print image density.
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HERMES Q without automatic ribbon saver
Figure 18 Aligning the printhead to the print roller
Setting the parallelism of horizontal lines and the front label edge
!
Attention!
Risk of damage.
Attempting to adjust the printhead when the fixing screws (1) are tight can lead to defects at the printhead
assembly.
 Always loosen the fixing screws (1) before adjusting the printhead.
i
Note!
 Open and close the printhead after each step of the adjustment.
1. Check the printhead alignment with the test function Test grid ( Configuration Manual) or a similar pattern.
2. If horizontal lines are not parallel to the label edges, loosen the screw (1) by a quarter turn and adjust the paral-
lelism with the screw (2) or eccentric (4).
3. Tighten the screw (1).
Aligning the heating line to the top of the print roller
4. Print more test labels.
5. Set the best possible image quality by turning the eccentric (3).
Differences in the density between the two sides are still permissible.
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HERMES Q with automatic ribbon saver
4 3
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