Lexmark W820 Service Manual page 288

Removal
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WARNING: Do not attempt to remove the Main Drive Assembly without first removing the
EP Cartridge.
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4-80
Service Manual
Remove the EP Cartridge.
Remove the Rear Cover.
Open the Left Upper Cover.
Remove the Flywheel Assembly.
Remove the Left Cover Interlock Switch Assembly.
Remove the screw securing the Inner Cover to the printer frame, and remove the
Inner Cover.
Disconnect J205 from the Main Motor PWB.
Release the wire harness that is located just above the Main Motor PWB from the
wire clip and move the harness out of the way.
Remove the screw securing the green ground wire to the Main Drive Assembly, and
move the ground wire out of the way.
Disconnect P/J 462 from the I/O PWB.
Disconnect P/J 202, J209, P600, and J601 from the Harness Support Bracket.
Remove the three screws securing the Harness Support to the Main Drive
Assembly, and move the Harness Support and attached harness out of the way.
Remove the four self-tapping screws securing the Main Drive Assembly to the printer
frame.
Remove the bottom right screw that secures a ground wire (with attached resistor) to
the printer frame.
Remove the screw that secures a ground strap at the bottom left of the Main Drive
Assembly.
Lift the Exit Gear out of the way, and pull the Main Drive Assembly straight back and
out of the printer frame.
If you have difficulty removing the Main Drive Assembly, check to make sure there
are no wire harnesses in the way, the Registration Clutch location notch is not in the
way, and that the drive pin on the Drive Assembly is in the center of the cutout in the
printer frame.
4025-XXX