Lexmark W820 Service Manual page 270

Removal
1.
WARNING: If replacing the BTR Assembly with a new one, use the gloves that come
with the kit. Touching the sponge roll surface of the BTR with your bare skin affects print
quality. Grease and dirt on, or physical damage to, the BTR affects print quality.
2.
3.
4.
5.
Replacement
1.
2.
3.
WARNING: If replacing the BTR Assembly with a new one, use the gloves that come
with the kit. Touching the sponge roll surface of the BTR with your bare skin affects print
quality. Grease and dirt on, or physical damage to, the BTR affects print quality.
4.
5.
6.
7.
8.
4-62
Service Manual
Open the Left Upper Cover.
Face the left side of the printer.
Hole the rear BTR lever in your left hand and the front BTR lever in you right hand.
Rotate both levers away from you to unlock the BTR.
With both levers back, lift the BTR out of the Cover Assembly.
Open the Left Upper Cover Assembly.
Face the left side of the printer.
Hold the BTR by the end levers.
Position the BTR so the BTR gear is to the rear.
Press the ends of the BTR into the BTR Sleeves. The BTR snaps into place.
Rotate both levers toward to you lock the BTR in place.
Close the Left Upper Cover.
After installing a new BTR, connect the Operator Panel to the MCU PWB and enter
the Configuration Mode and reset the Maintenance Counter.
4025-XXX