Lexmark W820 Service Manual - Page 39
H-Tra H-Tra Components
UPC - 734646210508
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4025-Finisher H-Tra Section The paper delivered from the printer passes the H-Tra Gate and is transferred into the H-Tra. Then, the rotation of the H-Tra Feed Roller in the H-Tra transfers the paper toward the Finisher. Also, during the paper transfer, the rotation of the H-Tra Feed Roller shifts the paper to the front side, to adjust the skew and registered position. H-Tra Components • The H-Tra Gate Solenoid changes over the H-Tra Gate. • Changed over by the H-Tra Gate Solenoid, the H-Tra Gate transfers the paper toward the H-Tra. • Gate opens: When paper is transferred to the H-Tra. • Gate closes: When paper is delivered on the printer Face Down Tray (in Duplex mode) • The H-Tra Input Path Sensor monitors paper being transferred from the printer into the H-Tra. • The H-Tra Exit Path Sensor monitors paper passing the H-Tra paper exit. • The H-Tra Feed Roller feeds the paper transferred into the H-Tra toward the Finisher. • The H-Tra Gate Interlock SW detects H-Tra Gate excessive open state, and cuts off the power supply. • The H-Tra Cover Interlock Sensor detects H-Tra Cover open state. • The printer FD Tray Full Sensor detects when the printer Face Down Tray located at the bottom of H-Tra is full with paper. Introduction 1-27