20
20
3 Adjustments
3.2
Adjusting the Printing Mechanism
Major adjustment of the printing mechanism beyond format-based settings is only required if the printhead assembly
has been removed or parts in this area have been replaced. Excluded from this is the replacement of the printhead,
after which readjustment is generally not required.
The following print quality imperfections may indicate maladjustment of the printing mechanism:
•
Print image too light
•
Print image is spotty
•
Print image lighter on one side
•
Horizontal lines not parallel to the horizontal label edges
•
Clear lateral drift of the transfer ribbon
i
Note!
Print image errors can also arise from wrinkling of the transfer ribbon.
Check the transfer ribbon feed path and the head locking system for correct adjustment before making
adjustments to the printing mechanism
Operator's Manual.
Adjustment of the printing mechanism comprises the following procedures in the order specified:
1. Prepare the label printer for adjustment
3.2.1 on page 20.
2. Adjust the position of the printhead
3.2.2 on page 21.
3. Adjust the printhead pressure
3.2.3 on page 22.
4. Adjust the transfer ribbon feed path
3.2.4 on page 23.
5.
Perform a final test
3.2.5 on page 23.
3.2.1
Preparing the Printer for Adjustment
1
2
5
4
3
1. Load transfer ribbon at the print unit to be adjusted
and labels which extend across the entire printing
width.
2.
In the printer configuration, set the
Print speed
parameter to 100 mm/s.
3.
Move the transfer ribbon deflection to the central
position (1) with the screw (2).
4. Position the plungers (4) in such a way that the
adjustment screws are accessible through the holes
(3) of the square axis.
5. Loosen the screw (5) for the printhead bowing with
an Allen key (1.5 mm) and turn it counterclockwise
until turning becomes perceptibly easier. This should
occur after a maximum of a half a rotation.
6. Continue with the adjustment of the printhead
position
3.2.2 on page 21.
Fig. 14
Preparing the printer for adjustment
