Sharp SF-1020 Manuel de service télécharger pdf (Page 11)

[3] PRODUCT VIEWS

1. External view and internal structure

No. Name No. Name No. Name

1 Original stocker 2 Original cover 3 Original table

4 Paper exit tray 5 Grip 6 Manual feed unit

7 Manual feed original guide 8 Manual feed tray 9 Operation panel

F Front cover G Power switch H Paper tray (SF-1020),

Duplex tray (SF-1120)

I Paper tray J Developing unit grip K Developing unit strap

L Toner hopper M Developing unit lock lever N Release lever

O Fusing unit P Drum

14 16

17 18

Upper unit

Lower unit

3 – 1

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 139 140

SERVICE MANUAL 1
Contents 2
[1] PRODUCT OUTLINE 5
[2] PRODUCT SPECIFICATIONS 6
3. Supply parts 8
4. Optional specifications 9
[3] PRODUCT VIEWS 11
11 12 13 12
Clutches and solenoids 14
6. Rollers, mirrors, etc 17
1. Unpacking 18
2. Installation 18
Grounding 19
4. Charger cleaning 20
5. Developing unit setting 21
Hand carry strap 22
Developing unit lever 22
Front cabinet 22
Copy tray 22
9. Center shift adjustment 24
10. Label attachment 24
(SF-CM15) installation 25
(SF-CM16) 26
16P connector 27
13. Tray paper size selection 28
(Described with the SF-1020) 28
4. Attach the tray 29
Roller release arm 30
Paper feed roller shaft 30
Paper feed roller 30
2. Developing section 31
(3) Optical section 32
• Brightness (F8.5) 33
• Focus: (195mm ±1%) 33
2. Basic operations 35
• Photo density copy mode 35
(2) Dirt correction 36
(4) Copy process 37
(2) Process diagram 38
Step 1 (Main Charging) 39
Step 2 (Exposure) 39
Step 3 (Development) 40
Step 4 (Transfer) 41
Step 5 (Separation) 41
Step 6 (Cleaning) 42
Step 7 (Discharging) 42
(6) Process control function 43
Process control 44
Process control timing 44
Drum marking 44
Basic structure 44
(5) TRANSPORT/FUSING SECTION 45
(6) Fusing paper exit section 45
Thermo control 46
(DDM rotary encoder sensor) 47
[6] DISASSEMBLY AND ASSEMBLY 48
1-3. PS front roller ass’y 49
1-4. Separation roller 49
2. Transport unit 50
PS mylar 51
3. Fusing section 52
Optical adjustment plate 54
Mirror base B 56
Mirror base positioning plate 57
No.2/3 mirror unit 57
Horizontal scales 58
Projections 58
6) Lens wire replacement 60
L drive pulley 61
Lens unit 61
Notch in the optical 62
5. High voltage section 63
6. Process section 64
7. Developing section 67
MAG roller 68
9. Frame major parts 69
9-2. Power unit 70
9-3. Tray size detecting PWB 70
(SF-2020) 71
10-1. Separation roller 72
Clearance gauges 75
2. Optical system 76
2-2. Note for adjustments 77
No.4/5 drive holder 78
• When the lens is replaced 79
Lens value label 80
Zooming cam 81
10 20 90 100 110 82
G. Vertical skew adjustment 84
H. Horizontal skew adjustment 84
Mirror base rail handle 85
Loosen Loosen 85
1 scale = 1mm 85
I. Center shift adjustment 86
K. Copy lead edge adjustment 87
• RRC-A = 6.151 × (L1 – L2) 88
10 20 30 40 89
[8] SIMULATION 91
4. List of simulations 92
Cassette size switch table 93
5. Details of simulations 94
0.5s 0.5s 0.5s 95
0.5s 0.5s 96
PD1 PD2 PD3 PD4 PD5 PD6 102
Document lead eddge 102
4 Set the obtained values 108
6. User simulation 110
(2) User simulation 111
[9] SELF DIAGNOSTICS 112
PLACEMENT 115
4. Set value recording sheet 117
5. Memory simulation list 118
[11] MAINTENANCE 119
[12] ELECTRICAL SECTION 120
Power ON 121
(1) Block diagram 122
SC3041K12F 123
4 Internal block diagram 124
(3) I/O (IC8) CXD1095Q 127
1 General 127
2 Features 127
3 Pin arrangement 127
DTA123YS 130
2 Operation 132
M51953 BL 133
(12) Operation panel 134
HOUND AC CIRCUIT 135
(14) ADU circuit description 136
(2) ADU CPU (IC1) 137
Phase B Phase B 139

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Sharp SF-1020 Manuel de service Page 11

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