Top Cover Assembly; Belt And Sty! I Assembly - Sinclair ZX Printer Service Manual

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(e)
If the serrated tear-strip is worn or damaged, this can be
removed by pushing out the centre lug (near the spade terminal),
lifting the outer edges of the tear-strip and moving it away from
the cover to disengage the retaining lugs from the slots in the
cover.
2.2
To install the top cover assembly:
(a)
If a new tear-strip is to be fitted, insert its retaining lugs
into the slots in the top cover, and push down on the tear-strip
until it clips into position; ensure that the centre lug is
engaged in its slot in the cover.
(b)
Position the belt assembly on its pulleys so that the styli are
at the extreme left and right of the printer, that is, they are
on the pulleys.
position - the belt rotates clockwise, viewed from the top.
(c)
Place the operating button on the spigot of the paper feed
switch,
correctly aligned with the contour of the top cover.
(d)
Place the top cover in position, and connect the white wire to
the spade terminal on the conductor strip.
(e)
Gently manoeuvre the top cover into position, ensuring that both
pulley shafts engage their locating bushes, and that the paper
feed switch operating button locates correctly on the cut-out in
the top cover.
between the cover and the base frame.
NOTE:
Care is needed to avoid damage to the insulator strip on
the vertical web of the base frame.
(f)
Secure the top cover to the base frame with the four screws.
(g)
Fit the paper reel carrier assembly.
3.
BELT AND SIYLI ASSEMBLY
3.1
To remove the belt and styli assembly:
(a)
Remove top cover assembly (see para 2.1).
(b)
Lift off the belt and styli assembly from the pulleys.
(c)
If it is desired to remove a stylus, pull off the stylus
retaining cap, and lift the stylus from its mounting spigot on
the belt.
Ensure that the styli are in the trailing
and ensure that the sloping face of the button is
Check that the wires to the switch are not caught
4.2

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