Star SP700 Series - Adjusting the Belt Tension

2. Adjusting the Belt Tension
See sections 2 and 3 for details on how to remove the
tear bar.
See sections 2 and 4 for details on how to remove the
ribbon base.
Reciprocatingly move the carriage unit [1] two or three
times to warm up the belt [2].
Move the carriage unit to the le side.
Touch the measurement probe of the tension gauge [4]
to the position [3] marked with a triangle (Δ) on the
frame to measure the tension of the timing belt.
e standard for the timing belt tension is between 0.40
and 0.44N. If the measured value is not at the standard
value, loosen the screw [6] fastening the tension plate [5]
to adjust the tension of the belt.
When the belt has been adjusted to the predetermined
tension, tighten the screw [6].
If the belt tension cannot be adjusted to the
predetermined value, replace the timing belt with a new
one and readjust it.
Refer to the rst section to measure and adjust the print
head and platen gap.
Attach the tear bar, and see section 3 to adjust the paper
feed path.
Install the ribbon base.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
[ 6 ]
[ 3 ]
[ 2 ]
[ 1 ]
[ 5 ]
Fig. 2-1 Adjusting the Belt Tension
[ 4 ]
[ 2 ]
Fig. 2-2 Measuring the Belt Tension
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