Printer Service Checks; 901-Yellow Developer Clutch Service Check - Lexmark C720 Service Manual

5024-001

Printer Service Checks

901—Yellow Developer Clutch Service Check
FRU
1 Check Connector
2 Yellow Developer
Clutch (DCLY)
3 IOD2 P.W.B. Board
4 Main Engine (MCTL
P.W.B.) Board
Developer Clutch (DCLY)
2-38
Service Manual
Action
Ensure the DCLY connector ENC14 on
the IOD2 P.W.B. board is firmly
connected.
Connect if necessary.
Check the voltage between ECN14-3 and
ECn2-6 on the IOD2, P.W.B. board.
If the voltage drops below +24V, replace
the yellow developer clutch DCLY.
Check the voltage between ECN1-3 and
ECN2-8 on the IOD2 P.W.B. board.
If the voltage jumps to +24V, replace the
IOD2 P.W.B. board.
If this does not correct the problem,
replace the main engine (MCTL P.W.B.)
board.