Lexmark W820 Service Manual page 21

Envelope Feeder Mechanical Drive Components
The Mechanical Drive for the Envelope Feeder is made up of one motor, two clutches,
and a number of gears.
1.
Envelope Motor
A +24VDC motor that provides the mechanical drive for the Envelope Feeder.
2.
Feed Clutch
An electric clutch controlled by the Envelope PWB. When actuated, the Feed Clutch
transmits Envelope Motor drive to the Envelope feed and transport assemblies.
3.
Retard Roll Friction Clutch
Transmits motor drive to the Retard Roll.
4025 Options
1-9
General Information