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for
CPU board
for
DRIVE PWB
FEED, DRIVE CIRCUIT
FEED, TOF SW CIRCUIT
YES
Check step motor
for FEED.
Connect switch PWB.
Check FEED, TOF switches
>-----...
and
R 5, 6,
20, 19.
Check select circuit (1)
Check latch circuit
Check 023, 039, 022.
Check connecting line
&
latch circuit
Check 011, 12, 13,
14.
Check IC2
-8-
2SC 1815
2SB 743
S5277B
2SD 986
7406
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