Kyocera TASKalfa 400ci - Page 271

2JZ/2JX/2JV/2H7
1-4-71
(11)
Paper feed clutch 1/
2, feed clutch 1/2,
registration clutch or
middle clutch does
not operate.
1. Broken clutch coil. Check for continuity across the coil. If none, replace the clutch.
2. Poor contact in the con-
nector terminals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
3. Defective feed PWB. Run maintenance item U032 and check if following terminals on
the feed PWB goes low. If not, replace the feed PWB.
40/40, 50/40 ppm model
Paper feed clutch 1: YC5-2 on the feed PWB
Paper feed clutch 2: YC1-2 on the feed PWB
Feed clutch 1: YC13-3 on the feed PWB
Feed clutch 2: YC13-1 on the feed PWB
25/25, 30/30 ppm model
Paper feed clutch 1: YC5-2 on the feed PWB
Paper feed clutch 2: YC1-2 on the feed PWB
Registration clutch: YC13-3 on the feed PWB
Middle clutch: YC13-1 on the feed PWB
4. Defective engine PWB. Run maintenance item U032 and check if following terminals on
the engine PWB goes low. If not, replace the engine PWB.
40/40, 50/40 ppm model
Paper feed clutch 1: YC20-B2 on the engine PWB
Paper feed clutch 2: YC20-A8 on the engine PWB
Feed clutch 1: YC20-B8 on the engine PWB
Feed clutch 2: YC20-B7 on the engine PWB
25/25, 30/30 ppm model
Paper feed clutch 1: YC20-B2 on the engine PWB
Paper feed clutch 2: YC20-A8 on the engine PWB
Registration clutch: YC20-B8 on the engine PWB
Middle clutch: YC20-B7 on the engine PWB
(12)
MP paper feed
clutch, MP paper
conveying clutch or
fuser clutch does not
operate.
1. Broken clutch coil. Check for continuity across the coil. If none, replace the clutch.
2. Poor contact in the con-
nector terminals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
3. Defective engine PWB. Run maintenance item U032 and check if following terminals on
the engine PWB goes low. If not, replace the engine PWB.
40/40, 50/40 ppm model
MP paper feed clutch: YC23-20 on the engine PWB
MP paper conveying clutch: YC10-B18 on the engine PWB
Fuser clutch: YC25-B10 on the engine PWB
(13)
The MP solenoid
does not operate.
1. Broken solenoid coil. Check for continuity across the coil. If none, replace the MP sole-
noid.
2. Poor contact in the con-
nector terminals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
3. Defective engine PWB. Run maintenance item U033 and check if the solenoid operates. If
not, replace the engine PWB.
(14)
The LSU cleaning
solenoid does not
operate.
1. Broken solenoid coil. Check for continuity across the coil. If none, replace the LSU
cleaning solenoid.
2. Poor contact in the con-
nector terminals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
3. Defective feed PWB. Run maintenance item U474 and check if the solenoid operates. If
not, replace the feed PWB.
4. Defective engine PWB. Run maintenance item U474 and check if the solenoid operates. If
not, replace the engine PWB.
Problem Causes Check procedures/corrective measures