Lexmark W820 - Optra B/W Laser Printer Service Manual page 27

Drive for Exit 1: Exit Pinch Roll Guide
The rotation of the Exit Roller Open/Close Motor transmits a driving force to the Open/
Close Gear 1 and Open/Close Gear 2. Then, the rotation of the Open/Close Gear 2
moves up the Sector Gear. By means of the convex portion on the side surface of the
Sector Gear, the lever at the end of the Exit Pinch Roll Shaft is raised, and the Exit Pinch
Roll Guide is opened upward.
Mechanical Drive Exit 1: Exit Pinch Roll Guide Components
•
The Exit Roller Open/Close Motor transmits a driving force to the Sector Gear via
each gear, to open/close the Exit Pinch Roll Guide.
•
The Open/Close Gear 1 transmits the driving force transmitted from the Exit Roller
Open/Close Motor to the Open/Close Gear 2.
•
The Open/Close Gear 2 transmits the driving force transmitted from the Open/Close
Gear 1 to the Sector Gear.
•
Receiving the driving force transmitted from the Open/Close Gear 2, the Sector
Gear moves up and down the Exit Pinch Roll Guide by means of the convex portion
on the side surface of the Sector Gear.
4025-Finisher
1-15
Introduction