Ricoh D023, Service Manual

Page: 1229 / 1522

SM i D372
500-SHEET FINISHER SR3050 D372
TABLE OF CONTENTS
1. REPLACEMENT AND ADJUSTMENT ............................................ 1
1.1 COMMON PROCEDURES ............................................................................1
1.1.1 DISCONNECTING, REMOVING THE FINISHER.................................1
1.1.2 FRONT COVER....................................................................................2
1.1.3 REAR COVER ......................................................................................2
1.1.4 TRANSPORT UNIT ..............................................................................3
1.2 SENSORS .....................................................................................................6
1.2.1 ENTRANCE SENSOR ..........................................................................6
1.2.2 PAPER SENSOR..................................................................................6
1.3 MOTORS .......................................................................................................8
1.3.1 TRAY LIFT MOTOR..............................................................................8
1.3.2 TRANSPORT MOTOR .........................................................................8
1.3.3 POSITIONING ROLLER ARM MOTOR................................................9
1.3.4 STAPLER MOVEMENT MOTOR .......................................................10
1.3.5 FRONT FENCE MOTOR ....................................................................11
1.3.6 FEED-OUT BELT MOTOR, REAR FENCE MOTOR ..........................11
1.4 BOARDS......................................................................................................13
1.4.1 MAIN BOARD .....................................................................................13
1.5 OTHERS ......................................................................................................14
1.5.1 STAPLER ...........................................................................................14
1.5.2 POSITIONING ROLLER .....................................................................14
2. DETAILED SECTION DESCRIPTIONS......................................... 16
2.1 OVERVIEW..................................................................................................16
2.1.1 IMPORTANT PARTS..........................................................................16
2.1.2 EXTERNAL DIMENSIONS .................................................................17
2.1.3 GENERAL OPERATION.....................................................................17
2.1.4 INITIALIZATION: WHAT HAPPENS AT POWER ON.........................19
2.2 PAPER TRANSPORT..................................................................................21
2.2.1 OVERVIEW ........................................................................................21
2.2.2 TRANSPORT ROLLERS ....................................................................22