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IBM PCjr Hardware Maintenance And Service page 201

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Advertisement

Rotate the leadscrew drive gear in both directions.
Print Head
I
m
Leadscrew Drive Gear
DID THE PRINT HEAD MOVE SMOOTHLY EN
BOTH DIRECTIONS?
The print mechanism is bad. Replace it. Repeat
the advanced test to ensure that the IBM PC
Compact printer is operating correctly.
Compact Printer 3-850-13
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