Ricoh D025 - Paper Feed Unit Pb3040 (D351)

SM i D351
PAPER FEED UNIT PB3040 (D351)
TABLE OF CONTENTS
1. REPLACEMENT AND ADJUSTMENT ............................................ 1
1.1 REAR COVER ...............................................................................................1
1.2 MOTORS AND CLUTCHES ..........................................................................2
1.2.1 LIFT MOTORS......................................................................................2
1.2.2 UPPER AND LOWER PAPER FEED CLUTCHES...............................2
1.2.3 PAPER FEED MOTOR.........................................................................3
1.3 MAIN BOARD ................................................................................................4
1.4 LIFT, PAPER END, AND RELAY SENSORS ................................................5
1.5 PAPER FEED UNIT.......................................................................................6
1.6 PICK-UP, PAPER FEED AND SEPARATION ROLLERS..............................7
2. DETAILS ........................................................................................... 8
2.1 COMPONENT LAYOUT ................................................................................8
2.1.1 MECHANICAL COMPONENT LAYOUT...............................................8
2.1.2 ELECTRICAL COMPONENT LAYOUT ................................................9
2.2 PAPER FEED ..............................................................................................10
2.3 PAPER SIZE DETECTION ..........................................................................11
2.4 REVERSE ROLLER AND PICK-UP ROLLER RELEASE............................13
2.5 PAPER HEIGHT AND END DETECTION....................................................14
2.5.1 PAPER HEIGHT DETECTION ...........................................................14
2.5.2 PAPER END AND BOTTOM PLATE..................................................15
2.6 PAPER LIFT ................................................................................................16