Kyocera TASKalfa 6501i Service Manual page 592

Problem
(25)
Assist clutch 1, 2
does not operate.
(26)
Paper conveying
clutch does not
operate.
(27)
MP paper feed
clutch does not
operate.
(28)
PF paper feed
clutch 1, 2 does
not operate.
(29)
PF paper convey-
ing clutch 1, 2, 3
does not operate.
(30)
Feedshift solenoid
does not operate.
Causes
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective clutch.
3. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective clutch.
3. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective clutch.
3. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective clutch.
3. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective clutch.
3. Defective PWB.
1. Defective connector
cable or poor con-
tact in the connector.
2. Defective solenoid.
3. Defective PWB.
Check procedures/corrective measures
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Assist clutch 1 and feed PWB 2 (YC10)
Assist clutch 2 and feed PWB 2 (YC12)
Feed PWB 2 (YC1) and engine PWB (YC4)
Replace the assist clutch 1 or 2.
Replace the feed PWB 2 or engine PWB and check for cor-
rect operation (see page 1-5-83).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Paper conveying clutch and feed PWB 2 (YC5)
Feed PWB 2 (YC1) and engine PWB (YC4)
Replace the paper conveying clutch.
Replace the feed PWB 2 or engine PWB and check for cor-
rect operation (see page 1-5-83).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
MP paper feed clutch and relay PWB (YC3)
Relay PWB (YC12) and feed PWB 1 (YC17)
Feed PWB 1 (YC1) and engine PWB (YC6)
Replace the MP paper feed clutch.
Replace the relay PWB, feed PWB 1 or engine PWB and
check for correct operation (see page 1-5-83).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
PF paper feed clutch 1, 2 and PF main PWB (YC15)
Replace the PF paper feed clutch 1 or 2.
Replace the PF main PWB and check for correct operation
(see page 1-5-100).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
PF paper conveying clutch 1 and PF main PWB (YC5)
PF paper conveying clutch 2, 3 and PF main PWB (YC15)
Replace the PF paper conveying clutch 1, 2 or 3.
Replace the PF main PWB and check for correct operation
(see page 1-5-100).
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Feedshift and front PWB (YC5)
Front PWB (YC3) and engine PWB (YC7)
Replace the feedshift solenoid 1 or 2.
Replace the engine PWB and check for correct operation
(see page 1-5-83).
1-4-232
2N8/2N7