03/10 Rev. 5.04-04 SERVICE MANUAL Service Mechanics
64-xx – 64-xx Dispenser
46
Adjusting the printhead position
In this chapter, „Printhead position“ means the
position of the printhead (A) at the printhead
bracket (B) in printing direction.
The printhead position is factory-adjusted and
hasn´t to be changed in most of the applications.
Changing the printhead position is only
recommended, if the following is the case:
•
A spare part printhead was installed.
•
The printout is considerably worse than
before (regarding blackening and contrast)
During the adjustment, no other settings
may be changed, which influence the
printing quality.
For test printouts use parameter
PRINT INFO > Dottest endless.
Tool
Allen key 1.5 mm
Adjustment
1. Print a sample label
(PRINT INFO > Dottest endless).
2. Loosen all screws (1) and (2).
3. Turn in the set screws (3) ½ turn.
4. Tighten the screws (2).
5. Print a sample label and evaluate it:
If the printout became better:
Repeat steps 2 to 5 until the printout is
good enough or until it is worsening again.
If the printout became worse:
Repeat steps 2 to 5, but turn the set screws
out step by step, until the printout is good
enough or until it is worsening again.
If the printout is good enough:
Tighten all screws (1) and (2).
Secure the screws (2) with locking varnish.
1
1
2
2
3
3
B
A
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