Mita PointSource Ai 3010, Service Manual

Page: 421 / 478

2AR
3-6-48
Problem Causes Check procedures/corrective measures
Broken upper paper
feed clutch coil.
Poor contact of the
upper paper feed
clutch connector
terminals.
Defective engine
PCB.
Broken lower paper
feed clutch coil.
Poor contact of the
lower paper feed
clutch connector
terminals.
Defective engine
PCB.
Broken feed clutch
1 coil.
Poor contact of
feed clutch 1 con-
nector terminals.
Defective engine
PCB.
Broken feed clutch
2 coil.
Poor contact of
feed clutch 2 con-
nector terminals.
Defective engine
PCB.
(10)
The upper
paper feed
clutch does
not operate.
(11)
The lower
paper feed
clutch does
not operate.
(12)
Feed clutch 1
does not
operate.
(13)
Feed clutch 2
does not
operate.
Check for continuity across the coil. If none,
replace the upper paper feed clutch.
Reinsert the connector. Also check for
continuity within the connector cable. If
none, repair or replace the cable.
Run maintenance item U032 and check if
CN10-B1 on the engine PCB goes low. If
not, replace the engine PCB.
Check for continuity across the coil. If none,
replace the lower paper feed clutch.
Reinsert the connector. Also check for
continuity within the connector cable. If
none, repair or replace the cable.
Run maintenance item U032 and check if
CN10-B3 on the engine PCB goes low. If
not, replace the engine PCB.
Check for continuity across the coil. If none,
replace feed clutch 1.
Reinsert the connector. Also check for
continuity within the connector cable. If
none, repair or replace the cable.
Run maintenance item U032 and check if
CN10-A7 on the engine PCB goes low. If
not, replace the engine PCB.
Check for continuity across the coil. If none,
replace feed clutch 2.
Reinsert the connector. Also check for
continuity within the connector cable. If
none, repair or replace the cable.
Run maintenance item U032 and check if
CN10-A9 on the engine PCB goes low. If
not, replace the engine PCB.