Ricoh 4051 Service Manual

SM i B473
LARGE CAPACITY TRAY B473
TABLE OF CONTENTS
1. REPLACEMENT AND ADJUSTMENT ............................................1
1.1 EXTERNAL COVERS ..................................................................................1
1.2 PICK-UP/FEED/SEPARATION ROLLERS................................................... 2
1.3 PICK-UP SOLENOID ................................................................................... 3
1.4 PAPER END SENSOR, UPPER COVER SWITCHES................................. 4
1.5 TRAY MOTOR.............................................................................................. 5
1.6 PAPER STACK SENSOR ............................................................................ 5
1.7 PAPER SIZE ADJUSTMENT ....................................................................... 6
2. DETAILS...........................................................................................7
2.1 OVERVIEW .................................................................................................. 7
2.1.1 LCT MAIN COMPONENTS .................................................................7
2.1.2 LCT DRIVE LAYOUT...........................................................................9
2.2 PAPER FEED AND SEPARATION ............................................................ 10
2.2.1 STARTING PAPER FEED................................................................. 10
2.2.2 FEED AND SEPARATION ................................................................ 11
2.3 PAPER LIFT...............................................................................................12
2.4 PAPER HEIGHT DETECTION ................................................................... 14
2.5 PAPER END DETECTION ......................................................................... 15

Ricoh 4051 Specifications

General

Brand	Ricoh
Model	4051
Category	All in One Printer
Language	English