Read Sharp AR-FN1 (serv.man9) Service Manual online
(1) Finisher does not operate. (excluding JAM
state)
1
NO
YES
NO
YES
NO
YES
NO
NO
2
YES
YES
YES
NO
3
NO
NO
4
YES
YES
YES
NO
NO
YES
Is connection
cable properly
connected?
+5V between
CNA-6 and CNA-5 of
main PWB?
+24V between
CNA-1 and CNA-3 of
main PWB?
Are
DSW1, 2, 3 PGOP
signals of main PWB
OK?
Transfer motor
rotates normally?
Elevator motor
rotates normally?
Off-set motor
rotates normally?
Connect connection
cable to body properly.
Check or replace harness
or check supply voltage.
Check or replace harness
or check supply voltage.
Check connections.
Check harnesses at
upper and lower surfaces
and harness leading to
upper transfer switch for
connections, and replace
if necessary.
Staple unit
moving motor rotates
normally?
Pusher motor rotates
normally?
Jogger motor rotates
normally?
Check main PWB and
replace if necessary.
4
4
3
8 – 2
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