Lexmark W820 Service Manual page 325

Signal Name
RLY$FUSER
FUSER$MAIN
FUSER$SUB
BD3 LVPS↔MCU PWB↔I/O PWB
Signal Name
There are no signals for this block diagram.
BD4 Console↔MCU PWB
4025-XXX
Description
Switches AC to the AC Driver PWB
Switches AC to Heat Lamp 1
Switches AC to Heat Lamp 2
Description
5-19
Connector Locations