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Service Manual

Precautions

5-22

5.13 Shield SMPS Ass'y

1. Before you remove the Shield SMPS Ass'y, you

should remove:

- Rear Cover (Refer to 5.4)

- Side Cover Right (Refer to 5.6.3)

- Duplex Drive Ass'y (Refer to 5.12)

2. Unplug the two connectors (HVPS, Fuser).

3. Remove the three screws securing the Shield SMPS

Ass'y and remove it.

4. Unplug the connector (AC Inlet) and remove the four

screws securing SMPS and remove it.

HVPS Connector

Fuser Connector

Shield SMPS Ass'y

SMPS

Insulator Sheet

Shield SMPS

(With AC Inlet)

AC Inlet

Connector

1 2 ... 52 53 54 55 56 57 58 59 60 61 62 ... 151 152

Dell 1815dn 1
Service Manual 1
1. Precautions 3
1.2 Caution for safety 4
1.2.3 Handling Precautions 5
1.3 ESD Precautions 7
2. Reference Information 8
C Printer Language 9
Reference Information 10
3. Product Specifications 11
DELL Laser MFP 1815 / 1815d 13
4. System Outline 19
4.1.2 FAX Section 20
System Outline 21
4.1.3 Line Interface Part 23
4.1.4 Scan Part 24
4.1.5 OPE Pannel Section 24
4.1.6 Printer Section 25
4.1.7 Copier Section 29
4.1.8 Telephone Section 30
4.1.10 Toner Cartridge 34
4.1.12 Fixing Part (FUSER) 34
4.1.13 TRANSFER Ass’y 34
4.1.14 Driver Ass’y 34
4.1.15 Feeding Part 35
4.1.16 Duty Cycle 35
5. Disassembly and Reassembly 36
Cassette 37
Toner Cartridge 37
Front Cover 37
MP Tray Ass'y 38
Tray Link 38
5.4 Rear Cover 39
Precautions 40
Face Up Cover 40
5.5 Fuser Ass'y 41
Heat Roller 43
Fuser Gear 43
Left Side Cover 44
Right Side Cover 44
DIMM Cover 45
ADF Harness 46
ADF Ground Cable 46
CCD Shaft 48
Scan Motor Ass'y 48
Scan Motor 48
Gear Bracket Ass'y 48
Platen Cover Ass'y 50
ADF Engine Ass’y 50
ADF Upper 51
5.9 OPE Unit 52
Modem PBA 54
Film Cable 54
Drive Ass'y 55
Gear Bracket Ass’y 55
BVDC Motor Ass’y 55
5.12 Duplex Drive Ass'y 56
5.13 Shield SMPS Ass'y 57
5.14 Connection PCB 58
5.15 Fuser Drive Ass'y 59
5.16 Fan 60
5.19 HVPS Housing 63
5.21 Cover Mid Front 64
5.20 Middle Cover Ass'y 64
5.22 MPF Housing 65
5.23 Feed Roller Parts 66
Feed Shaft 67
Feed1 Gear Ass'y 67
Clutch Unit 67
Feed1 Roller 67
5.25 Exit Roller 68
Terminal PBA 69
Terminal 69
TR Holder 70
Transfer Roller 70
6. Alignment and Adjustments 71
6.2 Clearing Paper Jams 72
6.2.1 Clearing Document Jams 73
Alignment & Adjustments 74
6.2.5 Bypass tray Jam 76
6.2.6 Fuser Area Jam 77
6.2.7 Paper Exit Jam 77
6.2.8 Duplex Jam 0 79
6.2.9 Duplex Jam 1 80
MFP1815dn 82
6.4.3 Data Setup 83
FLASH UPGRADE 84
6.4.4 Machine Test 85
6.4.5 Report 86
6.5 Engine Test Mode 87
6.6 Identify Sale Date 89
6.9 Error Messages 92
7. Troubleshooting 94
7.1.5 Multi-Feeding 96
7.1.8 Defective ADF 97
Defective LCD Operation 98
7.2.4 Paper Empty 99
7.2.6 Door Open 100
7.2.9 No Power 101
Troubleshooting 102
7.3.2 Vertical White Line 103
7.3.3 Horizontal Black Band 104
7.3.4 Black/White Spot 104
7.3.5 Light Image 105
7.3.6 Dark Image or a Black 105
7.3.7 Uneven Density 106
7.3.8 Background 106
7.3.9 Ghost (1) 107
7.3.10 Ghost (2) 107
7.3.11 Ghost (3) 108
7.3.12 Ghost (4) 108
7.4 Fax & Phone Problems 110
7.4.4 Defective FAX FORWARD 111
7.5 Copy Problems 114
7.5.3 Abnormal noise 115
7.6 Scanning Problems 116
7.7 Toner Cartridge Service 117
7.8.1 General Problems 121
7.8.2 Macintosh Problems 122
7.8.3 Windows Problems 122
8.1 Main Exploded Views 125
8.2 Cover Ass'y 126
8.3 Middle Cover Ass'y 127
8.4 Front Cover Ass'y 128
8.5 Rear Cover Ass'y 129
8.6 Frame Assembly 130
8.7 Fuser Drive Ass'y 131
8.8 Main Drive Ass'y 132
8.9 MP Ass'y 133
8.10 ADF Ass'y 134
Cover Platen 135
Ass'y 135
8.12 OPE Unit 136
Scanner Ass'y 137
8.14 Cassette 138
8.15 Fuser Ass'y 139
8.16 Duplex Unit(Optional) 140
Dell 1815dn) 141
8.5 Rear Cover Ass'y 142
8.8 Main Drive Ass'y 143
8.10 ADF Ass'y 144
8.9 MP Ass'y 144
8.11 Cover Platen 145
8.12 OPE Unit 145
8.14 Cassette Ass'y 146
8.13 Scanner Ass'y 146
8.16 Duplex Unit 147
8.15 Fuser Ass'y 147
΁ΒΣΥΤ͑ͽΚΤΥ 148
9. Block Diagram 149
10. Connection Diagram 150
17 Oct 2006 151

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