993-Cleaner Clutch (Fbcl) Service Check - Lexmark C720 Service Manual

5024-001
993—Cleaner Clutch (FBCL) Service Check
FRU
1 Check Connector
2 Cleaner Clutch (FBCL)
3 IOD2 P.W.B. Board
4 Main Engine (MCTL
P.W.B.) Board
Cleaner Clutch
Action
Ensure ECN11on IOD2 P.W.B. board is
properly connected to the cleaner clutch
(FBCL).
Ensure ECN2 on IOD2 P.W.B. board is
properly connected to DCN10 on IOD1
P.W.B. board.
Ensure ECN1 on IOD1 is properly
connected to 11CN on the main engine
(MCTL P.W.B.) board.
Check for +24V between ECN11-3 and
ECN2-5 on the IOD2 P.W.B. board.
If the voltage is less than +24V, replace
the cleaner clutch (FBCL).
Check for +24V between ECN2-5 and
ECN1-16.
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.
Diagnostic Information
2-65