994-Fuser Clutch (Fucl) Service Check - Lexmark C720 Service Manual

5024-001
994—Fuser Clutch (FUCL) Service Check
FRU
1 Check Connector
2 Cleaner Clutch (FUCL)
3 IOD2 P.W.B. Board
4 Main Engine (MCTL
P.W.B.) Board
Fuser Clutch (FUCL)
2-66
Service Manual
Action
Ensure a proper connection between
ECN9 on IOD2 and the fuser clutch
(FUCL).
Ensure ECN1 on IOD2 is properly
connected to 12CN on the main engine
(MCTL P.W.B.) board.
Check for +24V between ECN9-3 and
CN2-5 on the IOD2 P.W.B. board.
If the voltage jumps to +24V, replace the
cleaner clutch (FUCL).
Check for +24V between ECN1-20 and
ECN2-10 on IOD2 P.W.B. board.
If the voltage jumps to +24V, replace the
IOD2 P.W.B. board.
If the problem still exists, replace the main
engine (MCTL P.W.B.) board.