Lexmark W820 - Optra B/W Laser Printer Service Manual page 28

Drive for Exit 2: Exit Roller & Compiler Tray
•
The rotation of the Exit Motor transmits a driving force to the Exit Roll Gear. The rotation
of the Exit Roll Gear rotates the Exit Roller. Also, the Exit Motor rotates counterclockwise
when drawing the paper into the Compiler Tray.
•
The counterclockwise rotation of the Exit Motor rotates the Exit Roller via the Exit Roll
Gear. The Compiler Drive Pulley on the Exit Roller transmits the driving force generated
from the rotation of the Exit Roller to the Move Tray Belt. The Move Tray Belt transmits a
driving force to the Com Drive Gear 1 on the Compiler Drive Shaft, to rotate the Compiler
Drive Shaft. The rotation of the Compiler Drive Shaft transmits a driving force to the Com
Transmit Gear via the Com Drive Gear 2, to rotate the Compiler Transmit Shaft. Then, the
rotation of the Compiler Transmit Shaft transmits a driving force to the gear on the back of
the Compiler Move Tray, via the Com Transmit Gear on the shaft. The Compiler Move Tray
is pushed out toward the paper delivery direction by the transmitted driving force.
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Service Manual
4025-Finisher
The driving force transmitted to the Exit Roller
The driving force transmitted to the Compiler Move Tray