Lexmark W820 Service Manual page 289

Replacement
1.
Push all of the wire harnesses out of the way.
2.
Rotate the Registration Clutch and the Feed Clutch so the location notches are not
in the way of Main Drive installation.
3.
Lift the Exit Gear out of the way and slide the drive pin at the back of the Main Drive
Assembly into the large opening in the printer frame.
4.
Make sure there are no wire harnesses trapped between the Drive Assembly and
the printer frame.
5.
Reach around through the open Left Upper Cover and take hold of the drive pin.
Center the pin in the printer frame opening while you push the Drive Assembly
against the frame.
6.
Use one screw to secure the ground strap at the bottom left of the Main Drive
Assembly.
7.
Use a self-tapping screw to secure the ground wire with the attached resistor and the
Main Drive Assembly to the printer frame.
8.
Use three self-tapping screws to finish securing the Main Drive Assembly to the
printer frame.
9.
After securing the Main Drive Assembly, wiggle the Assembly to make sure it is
firmly in place.
10.
Position the Harness Support against the Main Drive Assembly.
11.
Rotate the Registration Clutch and in the Feed Clutch so the slots in the Clutches
line up with the key on the Harness Support, and then press the Support against the
Main Drive Assembly.
12.
Use three screws to secure the Harness Support to the Main Drive Assembly.
13.
Reconnect P/J 202, J209, P600, and J601 to the Harness Support Bracket.
14.
Reconnect P/J 462 to the I/O PWB.
15.
Reinstall the green ground wire to the screw hole at the top of the Main Drive
Assembly, and use one screw to secure the wire to the Assembly.
16.
Secure the wire harness at the top of the Main Drive Assembly to the wire clip that is
located just above the Main Motor.
17.
Reconnect J205 to the Main Motor PWB.
18.
Reinstall the Flywheel Assembly.
19.
Reinstall the Inner Cover and use one screw to secure the Cover to the printer
frame.
20.
Reinstall the Left Cover Interlock Switch.
21.
Reinstall the Rear Cover.
22.
Reinstall the EP Cartridge.
4025-XXX
4-81
Repair Information