Thermal-Head Unit - Star Micronics TSP200 Series Technical Manual

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PARTS REPLACEMENT
Fuses (TSP200-24)
(1) Remove the main chassis unit from the lower casing
unit. (See 5. above.)
(2) Check the fuses in the power unit.
Fuse F1 1
If fuse is blown, replace it with the fuse type
indicated below.
F1
5TT3A
If the replacement fuse also blows out, replace the
power unit or check the main logic board.

8. Thermal-head Unit

(1) Remove the printer mechanism. (See 3. above.)
(2) Be sure that the unit is in head-down state (that the
head-lift lever 1 is back).
Press the two head-opening levers 2 and remove the
(3)
set cover 3 from the printer mechanism.
(4) Remove:
Three stop rings 4
Stay 5
Three springs 6
Two screws 7
Head plate 8
Thermal head 9
(5) Attach the replacement thermal head. as follows.
(a)Be sure that the unit is in head-open state.
(b)Hold the replacement head in position, and screw
the right end loosely into place with the one of the
screws 7.
(c)Set the unit into head-closed state.
(d)Fit the remaining screw 7 into the left side, and
tighten both of the screws to a torque of 5g-cm.
(6) Caution:
Keep hands clear of the head's heat elements when
making the replacement.