10 Repair and Disassembly
180
Replacing the Stepper Motor
1 Refit the stepper motor to the recorder chassis, but do NOT tighten the screws yet! The upper slot
on the stepper motor allows fine adjustment when meshing the gears together.
2 Close the drawer assembly.
3 Gently mesh the stepper motor gear with that of the paper roller.
CAUTION
Do NOT press the gears together or exert any pressure on the stepper motor spindle.
4 When in place, tighten the screws, remembering that the upper screw is secured with a small nut.
Replacing the Top Cover Assembly
1 Ensure all items are replaced in the top cover assembly. Check that all the cables are reconnected.
2 Carefully align the front edge of the top cover assembly with the front edge of the bottom housing
assembly.
3 With the front edge of the top cover still located in the front edge of the bottom housing, gently
lower the top cover, making sure the multi-pin connector on the recorder adapter board aligns
with the socket on the main CPU board.
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