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3.7 Ribbon Tension Adjustments
When the ribbon slips or wrinkles during printing, adjust the ribbon tension.
The printer has already been factory set with the ribbon width of 114 mm.
When using ribbon with a different width, adjust it according to the following
procedure:
a) Hold the ribbon roll with one hand so that it does not turn.
b) Slightly push the knob toward the ribbon roll with the other hand and
rotate the knob until the stopper comes to the desired position.
c) Gradually release the knob so that the stopper fits in the groove on
the knob.
Set values to each ribbon width:
Ribbon width
Ribbon winding
section
Ribbon feed
section
Tension
Adjustment when ribbon slips 5 5 Mild
25.4 mm (1 in) 4 4
50.8 mm (2 in) 3 3
76.2 mm (3 in) 2 2
101.6 mm (4 in): factory setting 1 1 Strong
d) After printing, check for ribbon wrinkle or slipping. If it occurs, adjust
it further according to the following procedure:
(1) When the ribbon wrinkles, the tension on the ribbon winding
section should be increased.
(2) When the ribbon slips, the tension on the ribbon feed section
should be decreased. If the problem is not resolved even when
the tension on the ribbon feed section is set to 5, the tension on
the ribbon winding section should be increased.
If ribbon problems are not resolved, consult our service personnel.
Ribbon feed section
Ribbon winding section
Variable knob
Mild
Mild
Strong
Strong