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TABLE OF CONTENTS
1. REPLACEMENT AND ADJUSTMENT 1
1.1 EXTERIOR PARTS 1
1.1.1 FRONT COVER 1
1.1.2 INNER COVER 2
1.1.3 REAR COVER 4
1.1.4 FRONT LEFT COVER 4
1.1.5 UPPER COVER 5
1.1.6 UPPER FRONT COVER 6
1.1.7 UPPER REAR COVER 7
1.1.8 PAPER EXIT GUIDE COVER 8
1.1.9 UPPER LEFT COVER 9
1.1.10 PROOF TRAY 9
1.1.11 SHIFT TRAY 10
1.1.12 BOOKLET TRAY (SR3220) 10
1.1.13 LEFT CENTER COVER 11
1.1.14 LEFT LOWER COVER 12
1.2 MAIN UNIT 13
1.2.1 PAPER EXIT GUIDE PLATE OPEN/CLOSE MOTOR 13
1.2.2 PAPER EXIT GUIDE PLATE OPEN/CLOSE HP SENSOR 13
1.2.3 PROOF TRAY FULL SENSOR 14
1.2.4 PROOF TRAY PAPER EXIT SENSOR 15
1.2.5 ENTRANCE SENSOR 16
1.2.6 INTERMEDIATE TRANSPORT SENSOR RIGHT 16
1.2.7 INTERMEDIATE TRANSPORT SENSOR LEFT 17
1.2.8 SHIFT TRAY PAPER SURFACE SENSOR 18
1.2.9 SHIFT TRAY UPPER LIMIT SWITCH 19
1.2.10 SHIFT TRAY PAPER EXIT SENSOR 19
1.2.11 PAPER EXIT GUIDE HP SENSOR 20
1.2.12 ENTRANCE TRANSPORT MOTOR 20
1.2.13 PROOF TRANSPORT MOTOR 21
1.2.14 POSITIONING ROLLER MOTOR 21
1.2.15 SHIFT MOTOR 23
1.2.16 PAPER EXIT TRANSPORT MOTOR 23
1.2.17 PAPER EXIT GUIDE DRIVE MOTOR 25
1.2.18 PAPER BUNDLE TRANSPORT UPPER MOTOR (SR3220) 26
1.2.19 STAPLER TRAY 28
1.2.20 STAPLER TRAY PAPER SENSOR 30
1.2.21 PAPER BUNDLE TRANSPORT UPPER PRESSURE RELEASE HP SENSOR 31 1.2.22 FEEDOUT PAWL HP SENSOR 31
1.2.23 JOGGER HP SENSOR 32
1.2.24 JOGGER MOTOR 32
1.2.25 PAPER BUNDLE TRANSPORT UPPER PRESSURE RELEASE MOTOR 33
1.2.26 FEEDOUT PAWL MOTOR 34
1.3 STAPLELESS STAPLER UNIT/STAPLER UNIT (SR3210) 35
1.3.1 STAPLELESS STAPLER UNIT 35
1.3.2 STAPLER UNIT 36
1.3.3 STAPLELESS STAPLER TRANSFER MOTOR 38
1.3.4 STAPLER TRANSFER MOTOR 38
1.3.5 PAPER GUIDE DRIVE MOTOR 39
1.3.6 STAPLELESS STAPLER HP SENSOR 40
1.3.7 STAPLER HP SENSOR 41
1.3.8 PAPER GUIDE HP SENSOR 42
1.4 BOOKLET STAPLER UNIT (SR3220) 43
1.4.1 STAPLER UNIT 43
1.4.2 BOOKLET STAPLER UNIT 49
1.4.3 CENTER-FOLDING UNIT 50
1.4.4 CENTER-FOLDING TRAY PAPER EXIT SENSOR 52
1.4.5 TRAILING EDGE STOPPER TRANSPORT SENSOR 53
1.4.6 TRAILING EDGE STOPPER HP SENSOR 54
1.4.7 CENTER-FOLDING BLADE HP SENSOR 54
1.4.8 CENTER-FOLDING CAM HP SENSOR 55
1.4.9 TRAILING EDGE STOPPER MOTOR 56
1.4.10 FOLDING BLADE MOTOR 56
1.4.11 FOLDING TRANSPORT MOTOR 57
1.4.12 BOOKLET TRAY FULL SENSOR 1, 2 58
1.4.13 STAPLER TRANSFER MOTOR (MIDDLE) 59
1.4.14 PAPER BUNDLE TRANSPORT LOWER PRESSURE RELEASE HP SENSOR60 1.5 BOARDS 61
1.5.1 MAIN CONTROLLER BOARD 61
2. DETAILED DESCRIPTIONS 63
2.1 BOOKLET FINISHER SR3220 / FINISHER SR3210 (D3B9/D3B8) 63
2.1.1 CHANGES FROM THE PREVIOUS MACHINE 63
Paper exit guide 63
Stapleless Stapler (Finisher SR3210 only) 65
SP6-160-004 (Replacement Mode for Service) 75
2.1.2 PARTS LAYOUT 76
Drive layout 77
Electrical component layout 79
2.1.3 MECHANISMS 86
Separation mechanism 86
Proof tray transport 86
Proof tray full detection 87
Shift tray ascent/descent mechanism 87
Shift tray full detection 88
Shift mechanism 89
Booklet tray 90
Stapled paper eject mechanism 91
Booklet stitching mechanism 98
2.2 PUNCH UNIT PU3050 (D717) 101
2.2.1 CHANGES FROM THE PREVIOUS MACHINE 101
2.2.2 PARTS LAYOUT 102
2.2.3 MECHANISM 102
Skew Correction 103
Registration 103
Punch hole alignment adjustment 104
Paper position detection 105
Punch unit movement 105
Punch drive 106
Punch scrap collection/full detection 107