902-Magenta Developer Clutch Service Check - Lexmark C720 Service Manual

5024-001
902—Magenta Developer Clutch Service Check
FRU
1 Check Clutch
2 Magenta Developer
Clutch (DCLM)
3 IOD2 P.W.B. Board
4 Main Engine (MCTL
P.W.B.) Board
Developer Clutch (DCLM)
Action
Ensure the magenta developer clutch
(DCLM) connector ECN15 on the IOD2
P.W.B. board is firmly connected.
Check the voltage between ECN15-3 and
ECN2-6 on the IOD2 P.W.B. board.
If the voltage drops below +24V, replace
the magenta developer clutch (DCLM).
Check the voltage between ECN1-2 and
ECN2-8 on the 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.
Diagnostic Information
2-39