HP Scanjet N9120 service manual

HP Scanjet N9120

Service Manual

HP Scanjet N9120

Service Manual

Safety information

Trademark credits

Reproduction, adaptation, or translation without prior written permission is prohibited, except as allowed under the copyright laws.

The information contained herein is subject to change without notice.

The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.

Part number L2683-90022

Edition 1, 7/2008

WARNING!

Potential Shock Hazard

Always follow basic safety precautions when using the product to reduce risk of injury from fire or electric shock.

Read and understand all instructions in the user guide.

Observe all warnings and instructions marked on the product.

Use only a grounded electrical outlet when connecting the product to a power source. If you do not know whether the outlet is grounded, check with a qualified electrician.

Do not touch the contacts on the end of any of the sockets on the product. Replace damaged cords immediately.

Unplug the product from wall outlets before cleaning.

Do not install or use the product near water or when you are wet.

Install the product securely on a stable surface.

Microsoft(r), Windows(r), and Windows(r) XP are U.S. registered trademarks of Microsoft Corporation.

Windows Vista® is either a registered trademark or trademark of Microsoft Corporation in the United States and/or other countries.

ENERGY STAR and the ENERGY STAR mark are registered U.S. marks.

Install the product in a protected location where no one can step on or trip over the power cord and where the power cord will not be damaged.

Table of contents

1 Product basics

Quick access to product information .................................................................................................... 2

Product basics ...................................................................................................................................... 3

Product features .................................................................................................................. 3

Product walkaround ............................................................................................................. 4

Front and right-side view ..................................................................................... 4

Back view ............................................................................................................ 5

Side view (left) ..................................................................................................... 5

Model and serial numbers ................................................................................... 6

Control-panel walkaround .................................................................................................... 7

Supported product software ................................................................................................. 8

Supported operating systems ............................................................................. 8

Supported scanner drivers .................................................................................. 8

Supported scanner-management software ......................................................... 8

System requirements ........................................................................................................................... 9

Paper handling ................................................................................................................................... 10

ADF specifications ............................................................................................................. 10

Media specifications .......................................................................................................... 10

Media to avoid ................................................................................................................... 11

2 Installation and configuration

Prepare the site .................................................................................................................................. 14

Unpack the device .............................................................................................................................. 15

Install the software ............................................................................................................................. 19

3 Manage and maintain

Manage supplies ................................................................................................................................ 22

HP Scanner Tools Utility scanner maintenance information .............................................. 22

Parts life expectancy .......................................................................................................... 22

Clean the product ............................................................................................................................... 23

Clean the exterior .............................................................................................................. 23

Clean the ADF ................................................................................................................... 24

Clean the scanner glass .................................................................................................... 27

Clean the fan filters ............................................................................................................ 28

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4 Theory of operation

Basic operation ................................................................................................................................... 30

Modes and control-panel indicators ................................................................................................... 31

Circuit board assemblies .................................................................................................................... 32

Fans ................................................................................................................................................... 33

ADF feed system ................................................................................................................................ 34

Sensors .............................................................................................................................. 34

Motors ................................................................................................................................ 35

Service block diagram ........................................................................................................................ 36

5 Removal and replacement

Removal and replacement strategy .................................................................................................... 38

General cautions during removal and replacement ........................................................... 38

Electrostatic discharge ....................................................................................................... 38

Required tools .................................................................................................................... 39

Cleaning supplies .............................................................................................................. 39

Screws and fasteners ........................................................................................................ 39

Before performing service .................................................................................................. 39

After performing service ..................................................................................................... 40

User-replaceable parts ....................................................................................................................... 41

Imprinter cartridge .............................................................................................................. 42

Fan filters ........................................................................................................................... 44

ADF base reflector ............................................................................................................. 45

Pickup-roller assembly ....................................................................................................... 47

Separation-pad assembly .................................................................................................. 49

External covers ................................................................................................................................... 51

Scanner control-panel cover .............................................................................................. 52

Scanner back-filter cover ................................................................................................... 53

Scanner right-filter cover .................................................................................................... 53

ADF front cover .................................................................................................................. 54

ADF back cover ................................................................................................................. 57

Scanner back cover ........................................................................................................... 59

Automatic document feeder FRUs ..................................................................................................... 60

Automatic document feeder (ADF) .................................................................................... 62

Reinstall the ADF base reflector ....................................................................... 46

Reinstall the pickup-roller assembly .................................................................. 48

Reinstall the separation-pad assembly ............................................................. 50

Reinstall the ADF .............................................................................................. 66

ADF height adjustment ...................................................................................... 70

NVRAM data management ............................................................................... 73

Repair menu ..................................................................................... 73

Repair menu options ........................................................................ 74

Replacement scenarios .................................................................... 75

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NVRAM data file examples ............................................................... 82

NVRAM content adjustment ............................................................. 83

Download factory NVRAM data ........................................................ 84

Backup current NVRAM data ........................................................... 87

Repair NVRAM data ......................................................................... 89

Adjust NVRAM counter items ........................................................... 94

Align the ADF .................................................................................................... 96

Create the factory calibration data for ADF-A ................................................... 99

ADF motor fan ................................................................................................................. 101

ADF carriage fan .............................................................................................................. 102

ADF input-tray lift-motor assembly .................................................................................. 103

ADF exit-motor assembly ................................................................................................ 104

ADF feed-motor assembly ............................................................................................... 108

Reinstall the ADF feed-motor drive belt .......................................................... 110

Reinstall the ADF feed-motor assembly .......................................................... 111

ADF pick-motor assembly ................................................................................................ 114

Reinstall the ADF pick-motor assembly .......................................................... 116

Upper multi-pick sensor PCA ........................................................................................... 119

Lower multi-pick sensor PCA ........................................................................................... 121

ADF controller PCA ......................................................................................................... 123

Imprinter PCA .................................................................................................................. 125

Reinstall the imprinter PCA ............................................................................. 126

Input-tray sensor .............................................................................................................. 129

Flatbed scan position sensor ........................................................................................... 130

Reinstall the flatbed scan position sensor ....................................................... 131

Exit 1 sensor .................................................................................................................... 133

Exit 2 sensor .................................................................................................................... 134

Pick-up roller sensor ........................................................................................................ 135

Elevator arm sensor ......................................................................................................... 137

Background solenoid sensor ........................................................................................... 138

Paper-present sensor ...................................................................................................... 139

Registration sensor .......................................................................................................... 140

Jam door 1 sensor ........................................................................................................... 141

Jam door 2 sensor ........................................................................................................... 142

Jam door 3 sensor ........................................................................................................... 143

Imprinter paper-present sensor ....................................................................................... 144

ADF scan position sensor ................................................................................................ 146

ADF bottom corner outer paper path guide ..................................................................... 147

ADF bottom corner inner paper path guide ..................................................................... 149

ADF cal-strip assembly .................................................................................................... 150

Reinstall the cal-strip assembly ....................................................................... 152

ADF exit inner paper path guide ...................................................................................... 156

ADF top corner inner paper path guide ........................................................................... 159

Lower multi-pick sensor cover ......................................................................................... 160

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Flatbed scan position sensor arm .................................................................................... 162

Reinstall the flatbed scan position sensor arm ................................................ 163

Exit 1 sensor arm ............................................................................................................. 165

Exit 2 sensor arm ............................................................................................................. 166

Paper-present-sensor arm ............................................................................................... 168

Input-tray-elevator arm .................................................................................................... 169

Registration sensor arm ................................................................................................... 172

Scan position sensor arm ................................................................................................ 174

Pick-up roller spring ......................................................................................................... 175

Separation-pad spring ..................................................................................................... 176

ADF input-tray assembly ................................................................................................. 177

ADF output tray ................................................................................................................ 17 9

Reinstall the ADF output tray .......................................................................... 181

Pickup-roller cover ........................................................................................................... 183

ADF hinge limiters ........................................................................................................... 185

ADF jam door 3 ................................................................................................................ 186

Paper present sensor and imprinter PCA holder ............................................................. 188

ADF shingle wall .............................................................................................................. 190

A4 paper-stop .................................................................................................................. 193

ADF background-solenoid assembly ............................................................................... 194

Reinstall the ADF background-solenoid assembly .......................................... 197

Imprinter carriage and FFC .............................................................................................. 199

Flatbed scanner FRUs ..................................................................................................................... 201

Flatbed ............................................................................................................................. 202

Scanner carriage-motor fan ............................................................................................. 203

Scanner carriage fan ....................................................................................................... 206

Scanner carriage motor ................................................................................................... 208

Control-panel PCA ........................................................................................................... 211

Scanner controller PCA ................................................................................................... 213

Power-supply PCA ........................................................................................................... 216

Scanner-glass assembly .................................................................................................. 220

ADF power-cable assembly ............................................................................................. 221

Carriage-motor cable ....................................................................................................... 223

Power switch and power receptacle assembly ................................................................ 224

6 Solve problems

Troubleshooting process .................................................................................................................. 228

Pre-troubleshooting checklist ........................................................................................................... 229

Basic troubleshooting checks ........................................................................................................... 230

Power-on checks ............................................................................................................. 231

LED diagnostics .............................................................................................. 232

Check the USB connection ............................................................................. 233

Uninstall and then reinstall the HP Scanjet utilities ......................................... 233

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Control-panel buttons ...................................................................................... 234

Control-panel buttons diagnostics .................................................. 234

Locked control-panel buttons ......................................................... 234

Troubleshooting diagnostic software ................................................................................................ 235

Main screen ..................................................................................................................... 235

Scan dialog box ............................................................................................... 237

Sensor check dialog box ................................................................................. 239

Control panel check dialog box ....................................................................... 244

ADF feed test dialog box ................................................................................. 246

Actuators dialog box ........................................................................................ 248

NVRAM dialog box .......................................................................................... 251

Update dialog box ........................................................................................... 253

Repair menu .................................................................................................... 254

Version information dialog box ........................................................................ 255

Diagrams ......................................................................................................................... 256

Component locator diagrams .......................................................................... 256

Major components .......................................................................... 256

ADF motors and fans ...................................................................... 258

Printed circuit assemblies ............................................................... 260

Image-quality troubleshooting tools ................................................................................. 262

Repetitive-image-defect ruler .......................................................................... 262

Computer-display error messages ................................................................................................... 263

Computer-display error messages ................................................................................... 263

Solve paper-handling problems ........................................................................................................ 267

Jams ................................................................................................................................ 267

Common causes of jams ................................................................................. 267

Solve common ADF jams ................................................................................ 268

Clear jams from the ADF ................................................................................. 269

The bottom of the scanned image is cut off ..................................................................... 272

Scan extra long documents ............................................................................. 272

Disable misfeed (multipick) detection .............................................................................. 272

ADF does not feed paper ................................................................................................. 273

Solve image-quality problems .......................................................................................................... 274

Image defects .................................................................................................................. 274

Set the background color for scans from the ADF ........................................................... 276

Filter out color from a document (color dropout) .............................................................. 277

Solve performance problems ........................................................................................................... 278

Solve connectivity problems ............................................................................................................. 281

Solve direct-connect problems ........................................................................................ 281

7 Parts and diagrams

Ordering parts and supplies ............................................................................................................. 284

Service part numbers ....................................................................................................................... 285

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HP Scanjet N9120 documentation ................................................................................... 285

Imprinter cartridges .......................................................................................................... 285

Power Cords .................................................................................................................... 286

Maintenance kits .............................................................................................................. 286

Field replaceable units (FRUs) ........................................................................................ 287

How to use the parts diagrams and lists .......................................................................................... 289

ADF components .............................................................................................................................. 290

Flatbed scanner assemblies ............................................................................................................. 318

Alphabetical parts list ....................................................................................................................... 336

Numerical parts list ........................................................................................................................... 344

Appendix A Service and support

Hewlett-Packard limited warranty statement .................................................................................... 354

Customer self repair warranty service .............................................................................................. 355

Repack the product .......................................................................................................................... 356

Appendix B Specifications

Physical specifications ..................................................................................................................... 360

Electrical specifications .................................................................................................................... 360

Acoustic emissions ........................................................................................................................... 360

Power consumption specifications ................................................................................................... 360

Environmental specifications ........................................................................................................... 361

Appendix C Regulatory information

Regulatory Model Identification Number .......................................................................................... 364

Materials disposal ............................................................................................................................. 364

Disposal of waste equipment by users in private households in the European Union ..................... 364

Country/region specific statements .................................................................................................. 364

Korean regulatory ............................................................................................................ 364

Index ................................................................................................................................................................. 365

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List of tables

Table 1-1 Product guides ................................................................................................................................... 2

Table 1-2 Product specifications ........................................................................................................................ 3

Table 1-3 Control-panel features ........................................................................................................................ 7

Table 1-4 ADF specifications ........................................................................................................................... 10

Table 1-5 Media specifications ......................................................................................................................... 10

Table 2-1 Box contents .................................................................................................................................... 17

Table 3-1 Replacement guidelines ................................................................................................................... 22

Table 4-1 Main assemblies .............................................................................................................................. 30

Table 4-2 Modes and control-panel indicators ................................................................................................. 31

Table 4-3 Circuit board assemblies .................................................................................................................. 32

Table 4-4 Sensors ............................................................................................................................................ 34

Table 6-1 Initial troubleshooting checklist ...................................................................................................... 229

Table 6-2 Control-panel LEDs ........................................................................................................................ 232

Table 6-3 Main screen .................................................................................................................................... 235

Table 6-4 Scan dialog box .............................................................................................................................. 237

Table 6-5 Sensor in motion tab ...................................................................................................................... 239

Table 6-6 Sensor tab ...................................................................................................................................... 241

Table 6-7 Control panel check dialog box ...................................................................................................... 244

Table 6-8 ADF feed test dialog box ................................................................................................................ 246

Table 6-9 Actuators dialog box ....................................................................................................................... 249

Table 6-10 Repair menu ................................................................................................................................. 254

Table 6-11 Major components (1 of 3) ........................................................................................................... 256

Table 6-12 Major components (2 of 3) ........................................................................................................... 257

Table 6-13 Major components (3 of 3) ........................................................................................................... 257

Table 6-14 ADF motors and fans (1 of 2) ....................................................................................................... 258

Table 6-15 ADF motors and fans (2 of 2) ....................................................................................................... 259

Table 6-16 Scanner motors and fans ............................................................................................................. 259

Table 6-17 ADF controller PCA ...................................................................................................................... 260

Table 6-18 Scanner PCAs .............................................................................................................................. 261

Table 6-19 Repetitive defects ......................................................................................................................... 262

Table 6-20 ISIS driver communicated message ............................................................................................ 263

Table 6-21 SDSS error message displayed ................................................................................................... 264

Table 6-22 Image defect examples ................................................................................................................ 274

Table 6-23 Solve performance problems ....................................................................................................... 278

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Table 7-1 HP Scanjet N9120 documentation ................................................................................................. 285

Table 7-2 Imprinter cartridges ........................................................................................................................ 285

Table 7-3 Power cords ................................................................................................................................... 286

Table 7-4 Maintenance kits ............................................................................................................................ 286

Table 7-5 Field replaceable units (FRUs) ....................................................................................................... 287

Table 7-6 ADF assemblies (1 of 14) ............................................................................................................... 291

Table 7-7 ADF assemblies (2 of 14) ............................................................................................................... 293

Table 7-8 ADF assemblies (3 of 14) ............................................................................................................... 295

Table 7-9 ADF assemblies (4 of 14) ............................................................................................................... 297

Table 7-10 ADF assemblies (5 of 14) ............................................................................................................. 299

Table 7-11 ADF assemblies (6 of 14) ............................................................................................................. 301

Table 7-12 ADF assemblies (7 of 14) ............................................................................................................. 303

Table 7-13 ADF assemblies (8 of 14) ............................................................................................................. 305

Table 7-14 ADF assemblies (9 of 14) ............................................................................................................. 307

Table 7-15 ADF assemblies (10 of 14) ........................................................................................................... 309

Table 7-16 ADF assemblies (11 of 14) ........................................................................................................... 311

Table 7-17 ADF assemblies (12 of 14) ........................................................................................................... 313

Table 7-18 ADF assemblies (13 of 14) ........................................................................................................... 315

Table 7-19 ADF assemblies (14 of 14) ........................................................................................................... 317

Table 7-20 Flatbed scanner assemblies (1 of 9) ............................................................................................ 319

Table 7-21 Flatbed scanner assemblies (2 of 9) ............................................................................................ 321

Table 7-22 Flatbed scanner assemblies (3 of 9) ............................................................................................ 323

Table 7-23 Flatbed scanner assemblies (4 of 9) ............................................................................................ 325

Table 7-24 Flatbed scanner assemblies (5 of 9) ............................................................................................ 327

Table 7-25 Flatbed scanner assemblies (6 of 9) ............................................................................................ 329

Table 7-26 Flatbed scanner assemblies (7 of 9) ............................................................................................ 331

Table 7-27 Flatbed scanner assemblies (8 of 9) ............................................................................................ 333

Table 7-28 Flatbed scanner assemblies (9 of 9) ............................................................................................ 335

Table 7-29 Alphabetical parts list ................................................................................................................... 336

Table 7-30 Numerical parts list ....................................................................................................................... 344

Table B-1 Physical specifications ................................................................................................................... 360

Table B-2 Electrical specifications .................................................................................................................. 360

Table B-3 HP Scanjet N9120, ........................................................................................................................ 360

Table B-4 Environmental specifications ........................................................................................................ 361

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List of figures

Figure 1-1 Front and right-side view ................................................................................................................... 4

Figure 1-2 Back view .......................................................................................................................................... 5

Figure 1-3 Side view (left) .................................................................................................................................. 5

Figure 1-4 Model and serial number (1 of 2) ...................................................................................................... 6

Figure 1-5 Model and serial number (2 of 2) ...................................................................................................... 6

Figure 1-6 Control-panel features ...................................................................................................................... 7

Figure 2-1 Site dimensions ............................................................................................................................... 14

Figure 2-2 Unpack the device (1 of 9) .............................................................................................................. 15

Figure 2-3 Unpack the device (2 of 9) .............................................................................................................. 15

Figure 2-4 Unpack the device (3 of 9) .............................................................................................................. 16

Figure 2-5 Unpack the device (4 of 9) .............................................................................................................. 16

Figure 2-6 Unpack the device (5 of 9) .............................................................................................................. 17

Figure 2-7 Unpack the device (6 of 9) .............................................................................................................. 17

Figure 2-8 Unpack the device (7 of 9) .............................................................................................................. 17

Figure 2-9 Unpack the device (8 of 9) .............................................................................................................. 18

Figure 2-10 Unpack the device (9 of 9) ............................................................................................................ 18

Figure 2-11 Electrical connection ..................................................................................................................... 19

Figure 2-12 USB connection ............................................................................................................................ 19

Figure 2-13 Power switch ................................................................................................................................. 20

Figure 3-1 Clean the ADF (1 of 5) .................................................................................................................... 24

Figure 3-2 Clean the ADF (2 of 5) .................................................................................................................... 25

Figure 3-3 Clean the ADF (3 of 5) .................................................................................................................... 25

Figure 3-4 Clean the ADF (4 of 5) .................................................................................................................... 26

Figure 3-5 Clean the ADF (5 of 5) .................................................................................................................... 26

Figure 3-6 Clean the scanner glass ................................................................................................................. 27

Figure 3-7 Clean the scanner fan filters (1 of 2) ............................................................................................... 28

Figure 3-8 Clean the scanner fan filters (2 of 2) ............................................................................................... 28

Figure 4-1 Sensors ........................................................................................................................................... 34

Figure 4-2 Motors ............................................................................................................................................. 35

Figure 4-3 Service block diagram ..................................................................................................................... 36

Figure 5-1 Phillips and pozidrive screwdriver comparison ............................................................................... 39

Figure 5-2 Remove the imprinter cartridge (1 of 4) .......................................................................................... 42

Figure 5-3 Remove the imprinter cartridge (2 of 4) .......................................................................................... 42

Figure 5-4 Remove the imprinter cartridge (3 of 4) .......................................................................................... 43

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Figure 5-5 Remove the imprinter cartridge (4 of 4) .......................................................................................... 43

Figure 5-6 Remove the fan filter (1 of 2) .......................................................................................................... 44

Figure 5-7 Remove the fan filter (2 of 2) .......................................................................................................... 44

Figure 5-8 Remove the ADF base reflector (1 of 2) ......................................................................................... 45

Figure 5-9 Remove the ADF base reflector (2 of 2) ......................................................................................... 45

Figure 5-10 Reinstall the ADF base reflector ................................................................................................... 46

Figure 5-11 Remove the pickup-roller assembly .............................................................................................. 47

Figure 5-12 Reinstall the pickup-roller assembly (1 of 2) ................................................................................. 48

Figure 5-13 Reinstall the pickup-roller assembly (2 of 2) ................................................................................. 48

Figure 5-14 Remove the separation-pad assembly (1 of 3) ............................................................................. 49

Figure 5-15 Remove the separation-pad assembly (2 of 3) ............................................................................. 49

Figure 5-16 Remove the separation-pad assembly (3 of 3) ............................................................................. 50

Figure 5-17 Reinstall the separation-pad assembly ......................................................................................... 50

Figure 5-18 Remove the scanner control-panel cover ..................................................................................... 52

Figure 5-19 Remove the ADF front cover (1 of 5) ............................................................................................ 54

Figure 5-20 Remove the ADF front cover (2 of 5) ............................................................................................ 54

Figure 5-21 Remove the ADF front cover (3 of 5) ............................................................................................ 55

Figure 5-22 Remove the ADF front cover (4 of 5) ............................................................................................ 55

Figure 5-23 Remove the ADF front cover (5 of 5) ............................................................................................ 56

Figure 5-24 Remove the ADF back cover (1 of 3) ............................................................................................ 57

Figure 5-25 Remove the ADF back cover (2 of 3) ............................................................................................ 57

Figure 5-26 Remove the ADF back cover (3 of 3) ............................................................................................ 58

Figure 5-27 Remove the scanner back cover (1 of 2) ...................................................................................... 59

Figure 5-28 Remove the scanner back cover (2 of 2) ...................................................................................... 59

Figure 5-29 Remove the ADF (1 of 8) .............................................................................................................. 62

Figure 5-30 Remove the ADF (2 of 8) .............................................................................................................. 62

Figure 5-31 Remove the ADF (3 of 8) .............................................................................................................. 63

Figure 5-32 Remove the ADF (4 of 8) .............................................................................................................. 63

Figure 5-33 Remove the ADF (5 of 8) .............................................................................................................. 64

Figure 5-34 Remove the ADF (6 of 8) .............................................................................................................. 64

Figure 5-35 Remove the ADF (7 of 8) .............................................................................................................. 65

Figure 5-36 Remove the ADF (8 of 8) .............................................................................................................. 65

Figure 5-37 Reinstall the ADF (1 of 7) .............................................................................................................. 66

Figure 5-38 Reinstall the ADF (2 of 7) .............................................................................................................. 66

Figure 5-39 Reinstall the ADF (3 of 7) .............................................................................................................. 67

Figure 5-40 Reinstall the ADF (4 of 7) .............................................................................................................. 67

Figure 5-41 Reinstall the ADF (5 of 7) .............................................................................................................. 68

Figure 5-42 Reinstall the ADF (6 of 7) .............................................................................................................. 68

Figure 5-43 Reinstall the ADF (7 of 7) .............................................................................................................. 69

Figure 5-44 ADF height adjustment (1 of 6) ..................................................................................................... 70

Figure 5-45 ADF height adjustment (2 of 6) ..................................................................................................... 70

Figure 5-46 ADF height adjustment (3 of 6) ..................................................................................................... 70

Figure 5-47 ADF height adjustment (4 of 6) ..................................................................................................... 71

Figure 5-48 ADF height adjustment (5 of 6) ..................................................................................................... 71

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Figure 5-49 ADF height adjustment (6 of 6) ..................................................................................................... 72

Figure 5-50 Repair menu (1 of 11) ................................................................................................................... 73

Figure 5-51 Repair menu (2 of 11) ................................................................................................................... 74

Figure 5-52 Replacement scenario #1 (3 of 11) ............................................................................................... 75

Figure 5-53 Replacement scenario #2 (4 of 11) ............................................................................................... 76

Figure 5-54 Replacement scenario #3 (5 of 11) ............................................................................................... 77

Figure 5-55 Replacement scenario #4 (6 of 7) ................................................................................................. 78

Figure 5-56 Replacement scenario #5 (7 of 11) ............................................................................................... 79

Figure 5-57 Replacement scenario #6 (8 of 11) ............................................................................................... 80

Figure 5-58 Replacement scenario #7 (9 of 11) ............................................................................................... 81

Figure 5-59 Repair menu (10 of 11) ................................................................................................................. 82

Figure 5-60 Repair menu (11 of 11) ................................................................................................................. 83

Figure 5-61 Download factory NVRAM data (1 of 6) ........................................................................................ 84

Figure 5-62 Download factory NVRAM data (2 of 6) ........................................................................................ 84

Figure 5-63 Download factory NVRAM data (3 of 6) ........................................................................................ 85

Figure 5-64 Download factory NVRAM data (4 of 6) ........................................................................................ 85

Figure 5-65 Download factory NVRAM data (5 of 6) ........................................................................................ 86

Figure 5-66 Download factory NVRAM data (6 of 6) ........................................................................................ 86

Figure 5-67 Backup current NVRAM data (1 of 3) ........................................................................................... 87

Figure 5-68 Backup current NVRAM data (2 of 3) ........................................................................................... 87

Figure 5-69 Backup current NVRAM data (3 of 3) ........................................................................................... 88

Figure 5-70 Repair NVRAM data (1 of 5) ......................................................................................................... 89

Figure 5-71 Repair NVRAM data (2 of 5) ......................................................................................................... 90

Figure 5-72 Repair NVRAM data (3 of 5) ......................................................................................................... 91

Figure 5-73 Repair NVRAM data (4 of 5) ......................................................................................................... 92

Figure 5-74 Repair NVRAM data (5 of 5) ......................................................................................................... 93

Figure 5-75 Adjust NVRAM counter items (1 of 2) ........................................................................................... 94

Figure 5-76 Adjust NVRAM counter items (2 of 2) ........................................................................................... 95

Figure 5-77 ADF alignment (1 of 6) .................................................................................................................. 96

Figure 5-78 ADF alignment (2 of 6) .................................................................................................................. 97

Figure 5-79 ADF alignment (3 of 6) .................................................................................................................. 97

Figure 5-80 ADF alignment (4 of 6) .................................................................................................................. 97

Figure 5-81 ADF alignment (5 of 6) .................................................................................................................. 98

Figure 5-82 Create the factory calibration data for ADF-A (1 of 3) .................................................................. 99

Figure 5-83 Create the factory calibration data for ADF-A (2 of 3) .................................................................. 99

Figure 5-84 Create the factory calibration data for ADF-A (3 of 3) ................................................................ 100

Figure 5-85 Remove the ADF motor fan (1 of 2) ............................................................................................ 101

Figure 5-86 Remove the ADF motor fan (2 of 2) ............................................................................................ 101

Figure 5-87 Remove the ADF carriage fan ................................................................................................... 102

Figure 5-88 Remove the ADF input-tray lift-motor assembly (1 of 2) ............................................................. 103

Figure 5-89 Remove the ADF input-tray lift-motor assembly (2 of 2) ............................................................. 103

Figure 5-90 Remove the ADF exit-motor assembly (1 of 7) ........................................................................... 104

Figure 5-91 Remove the ADF exit-motor assembly (2 of 7) ........................................................................... 104

Figure 5-92 Remove the ADF exit-motor assembly (3 of 7) ........................................................................... 105

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Figure 5-93 Remove the ADF exit-motor assembly (4 of 7) ........................................................................... 105

Figure 5-94 Remove the ADF exit-motor assembly (5 of 7) ........................................................................... 106

Figure 5-95 Remove the ADF exit-motor assembly (6 of 7) ........................................................................... 106

Figure 5-96 Remove the ADF exit-motor assembly (7 of 7) ........................................................................... 107

Figure 5-97 Remove the ADF feed-motor assembly (1 of 4) ......................................................................... 108

Figure 5-98 Remove the ADF feed-motor assembly (2 of 4) ......................................................................... 108

Figure 5-99 Remove the ADF feed-motor assembly (3 of 4) ......................................................................... 109

Figure 5-100 Remove the ADF feed-motor assembly (4 of 4) ....................................................................... 109

Figure 5-101 Reinstall the ADF feed-motor drive belt (1 of 3) ....................................................................... 110

Figure 5-102 Reinstall the ADF feed-motor drive belt (2 of 3) ....................................................................... 110

Figure 5-103 Reinstall the ADF feed-motor drive belt (3 of 3) ....................................................................... 111

Figure 5-104 Reinstall the ADF feed-motor assembly (1 of 5) ....................................................................... 111

Figure 5-105 Reinstall the ADF feed-motor assembly (2 of 5) ....................................................................... 112

Figure 5-106 Reinstall the ADF feed-motor assembly (3 of 5) ....................................................................... 112

Figure 5-107 Reinstall the ADF feed-motor assembly (4 of 5) ....................................................................... 113

Figure 5-108 Reinstall the ADF feed-motor assembly (5 of 5) ....................................................................... 113

Figure 5-109 Remove the ADF pick-motor assembly (1 of 5) ........................................................................ 114

Figure 5-110 Remove the ADF pick-motor assembly (2 of 5) ........................................................................ 114

Figure 5-111 Remove the ADF pick-motor assembly (3 of 5) ........................................................................ 115

Figure 5-112 Remove the ADF pick-motor assembly (4 of 5) ........................................................................ 115

Figure 5-113 Remove the ADF pick-motor assembly (5 of 5) ........................................................................ 116

Figure 5-114 Reinstall the ADF pick-motor assembly (1 of 5) ........................................................................ 116

Figure 5-115 Reinstall the ADF pick-motor assembly (2 of 5) ........................................................................ 117

Figure 5-116 Reinstall the ADF pick-motor assembly (3 of 5) ........................................................................ 117

Figure 5-117 Reinstall the ADF pick-motor assembly (4 of 5) ........................................................................ 118

Figure 5-118 Reinstall the ADF pick-motor assembly (5 of 5) ........................................................................ 118

Figure 5-119 Remove the upper multi-pick sensor PCA (1 of 3) ................................................................... 119

Figure 5-120 Remove the upper multi-pick sensor PCA (2 of 3) ................................................................... 120

Figure 5-121 Remove the upper multi-pick sensor PCA (3 of 3) ................................................................... 120

Figure 5-122 Remove the lower multi-pick sensor PCA (1 of 2) .................................................................... 121

Figure 5-123 Remove the lower multi-pick sensor PCA (2 of 2) .................................................................... 122

Figure 5-124 Remove the ADF controller PCA (1 of 2) .................................................................................. 123

Figure 5-125 Remove the ADF controller PCA (2 of 2) .................................................................................. 124

Figure 5-126 Remove the imprinter PCA (1 of 2) ........................................................................................... 125

Figure 5-127 Remove the imprinter PCA (2 of 2) ........................................................................................... 126

Figure 5-128 Reinstall the imprinter PCA (1 of 4) .......................................................................................... 126

Figure 5-129 Reinstall the imprinter PCA (2 of 4) .......................................................................................... 127

Figure 5-130 Reinstall the imprinter PCA (3 of 4) .......................................................................................... 127

Figure 5-131 Reinstall the imprinter PCA (4 of 4) .......................................................................................... 128

Figure 5-132 Remove the input-tray sensor ................................................................................................... 129

Figure 5-133 Remove the flatbed scan position sensor (1 of 2) .................................................................... 130

Figure 5-134 Remove the flatbed scan position sensor (2 of 2) .................................................................... 131

Figure 5-135 Reinstall the flatbed scan position sensor ................................................................................ 131

Figure 5-136 Remove the exit 1 sensor ......................................................................................................... 133

xiv ENWW

Figure 5-137 Remove the exit 2 sensor ......................................................................................................... 134

Figure 5-138 Remove the pick-up roller sensor (1 of 4) ................................................................................. 135

Figure 5-139 Remove the pick-up roller sensor (2 of 4) ................................................................................. 135

Figure 5-140 Remove the pick-up roller sensor (3 of 4) ................................................................................. 136

Figure 5-141 Remove the pick-up roller sensor (4 of 4) ................................................................................. 136

Figure 5-142 Remove the elevator arm sensor .............................................................................................. 137

Figure 5-143 Remove the background solenoid sensor (1 of 2) .................................................................... 138

Figure 5-144 Remove the background solenoid sensor (2 of 2) .................................................................... 138

Figure 5-145 Remove the paper-present sensor ........................................................................................... 139

Figure 5-146 Remove the registration sensor ................................................................................................ 140

Figure 5-147 Remove the jam door 1 sensor ................................................................................................. 141

Figure 5-148 Remove jam door 2 sensor ....................................................................................................... 142

Figure 5-149 Remove the jam door 3 sensor ................................................................................................. 143

Figure 5-150 Remove the imprinter paper-present sensor (1 of 2) ................................................................ 144

Figure 5-151 Remove the imprinter paper-present sensor (2 of 2) ................................................................ 145

Figure 5-152 Remove the ADF scan position sensor .................................................................................... 146

Figure 5-153 Remove the ADF bottom corner outer paper path guide (1 of 2) ............................................. 147

Figure 5-154 Remove the ADF bottom corner outer paper path guide (2 of 2) ............................................. 147

Figure 5-155 Reinstall the ADF bottom corner outer paper path guide ......................................................... 148

Figure 5-156 Remove the ADF bottom corner inner paper path guide (1 of 2) .............................................. 149

Figure 5-157 Remove the ADF bottom corner inner paper path guide (2 of 2) .............................................. 149

Figure 5-158 Remove the ADF cal-strip assembly (1 of 5) ............................................................................ 150

Figure 5-159 Remove the ADF cal-strip assembly (2 of 5) ............................................................................ 150

Figure 5-160 Remove the ADF cal-strip assembly (3 of 5) ............................................................................ 151

Figure 5-161 Remove the ADF cal-strip assembly (4 of 5) ............................................................................ 151

Figure 5-162 Remove the ADF cal-strip assembly (5 of 5) ............................................................................ 152

Figure 5-163 Reinstall the ADF cal-strip assembly (1 of 7) ............................................................................ 152

Figure 5-164 Reinstall the ADF cal-strip assembly (2 of 7) ............................................................................ 153

Figure 5-165 Reinstall the ADF cal-strip assembly (3 of 7) ............................................................................ 153

Figure 5-166 Reinstall the ADF cal-strip assembly (4 of 7) ............................................................................ 154

Figure 5-167 Reinstall the ADF cal-strip assembly (5 of 7) ............................................................................ 154

Figure 5-168 Reinstall the ADF cal-strip assembly (6 of 7) ............................................................................ 155

Figure 5-169 Reinstall the ADF cal-strip assembly (7 of 7) ............................................................................ 155

Figure 5-170 Remove the ADF exit inner paper path guide (1 of 4) .............................................................. 156

Figure 5-171 Remove the ADF exit inner paper path guide (2 of 4) .............................................................. 157

Figure 5-172 Remove the ADF exit inner paper path guide (3 of 4) .............................................................. 157

Figure 5-173 Remove the ADF exit inner paper path guide (4 of 4) .............................................................. 158

Figure 5-174 Remove the ADF top corner inner paper path guide (1 of 2) .................................................... 159

Figure 5-175 Remove the ADF top corner inner paper path guide (2 of 2) .................................................... 159

Figure 5-176 Remove the lower multi-pick sensor cover (1 of 3) ................................................................... 160

Figure 5-177 Remove the lower multi-pick sensor cover (2 of 3) ................................................................

Figure 5-178 Remove the lower multi-pick sensor cover (3 of 3) ................................................................... 161

Figure 5-179 Remove the flatbed scan position sensor arm (1 of 2) ............................................................. 162

Figure 5-180 Remove the flatbed scan position sensor arm (2 of 2) ............................................................. 163

... 161

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Figure 5-181 Reinstall the flatbed scan position sensor arm (1 of 3) ............................................................. 163

Figure 5-182 Reinstall the flatbed scan position sensor arm (2 of 3) ............................................................. 164

Figure 5-183 Reinstall the flatbed scan position sensor arm (3 of 3) ............................................................. 164

Figure 5-184 Remove the exit 1 sensor arm .................................................................................................. 165

Figure 5-185 Remove the exit 2 sensor arm (1 of 3) ..................................................................................... 166

Figure 5-186 Remove the exit 2 sensor arm (2 of 3) ..................................................................................... 167

Figure 5-187 Remove the exit 2 sensor arm (3 of 3) ..................................................................................... 167

Figure 5-188 Remove the paper-present-sensor arm (1 of 2) ....................................................................... 168

Figure 5-189 Remove the paper-present-sensor arm (2 of 2) ....................................................................... 168

Figure 5-190 Remove the input-tray-elevator arm (1 of 5) ............................................................................. 169

Figure 5-191 Remove the input-tray-elevator arm (2 of 5) ............................................................................. 169

Figure 5-192 Remove the input-tray-elevator arm (3 of 5) ............................................................................. 170

Figure 5-193 Remove the input-tray-elevator arm (4 of 5) ............................................................................. 170

Figure 5-194 Remove the input-tray-elevator arm (5 of 5) ............................................................................. 171

Figure 5-195 Remove the registration sensor arm (1 of 2) ............................................................................ 172

Figure 5-196 Remove the registration sensor arm (2 of 2) ............................................................................ 173

Figure 5-197 Remove the scan position sensor arm (1 of 2) ......................................................................... 174

Figure 5-198 Remove the scan position sensor arm (2 of 2) ......................................................................... 174

Figure 5-199 Remove the pickup-roller spring ............................................................................................... 175

Figure 5-200 Remove the separation-pad spring ........................................................................................... 176

Figure 5-201 Remove the ADF input-tray assembly (1 of 3) .......................................................................... 177

Figure 5-202 Remove the ADF input-tray assembly (2 of 3) .......................................................................... 177

Figure 5-203 Remove the ADF input-tray assembly (3 of 3) .......................................................................... 178

Figure 5-204 Remove the ADF output tray (1 of 3) ........................................................................................ 179

Figure 5-205 Remove the ADF output tray (2 of 3) ........................................................................................ 179

Figure 5-206 Remove the ADF output tray (3 of 3) ........................................................................................ 180

Figure 5-207 Reinstall the ADF output tray (1 of 4) ....................................................................................... 181

Figure 5-208 Reinstall the ADF output tray (2 of 4) ....................................................................................... 181

Figure 5-209 Reinstall the ADF output tray (3 of 4) ....................................................................................... 182

Figure 5-210 Reinstall the ADF output tray (4 of 4) ....................................................................................... 182

Figure 5-211 Remove the pickup-roller cover (1 of 3) .................................................................................... 183

Figure 5-212 Remove the pickup-roller cover (2 of 3) .................................................................................... 183

Figure 5-213 Remove the pickup-roller cover (3 of 3) .................................................................................... 184

Figure 5-214 Remove the ADF hinge limiters ................................................................................................ 185

Figure 5-215 Remove ADF jam door 3 (1 of 4) .............................................................................................. 186

Figure 5-216 Remove ADF jam door 3 (2 of 4) .............................................................................................. 186

Figure 5-217 Remove ADF jam door 3 (3 of 4) .............................................................................................. 187

Figure 5-218 Remove ADF jam door 3 (4 of 4) .............................................................................................. 187

Figure 5-219 Remove the paper present sensor and imprinter PCA holder (1 of 3) ...................................... 188

Figure 5-220 Remove the paper present sensor and imprinter PCA holder (2 of 3) ...................................... 189

Figure 5-221 Remove the paper present sensor and imprinter PCA holder (3 of 3) ...................................... 189

Figure 5-222 Remove the ADF shingle wall (1 of 4) ...................................................................................... 190

Figure 5-223 Remove the ADF shingle wall (2 of 4) ...................................................................................... 191

Figure 5-224 Remove the ADF shingle wall (3 of 4) ...................................................................................... 191

xvi ENWW

Figure 5-225 Remove the ADF shingle wall (4 of 4) ...................................................................................... 192

Figure 5-226 Remove the A4 paper-stop (1 of 2) .......................................................................................... 193

Figure 5-227 Remove the A4 paper-stop (2 of 2) .......................................................................................... 193

Figure 5-228 Remove the ADF background-solenoid assembly (1 of 5) ....................................................... 194

Figure 5-229 Remove the ADF background-solenoid assembly (2 of 5) ....................................................... 194

Figure 5-230 Remove the ADF background-solenoid assembly (3 of 5) ....................................................... 195

Figure 5-231 Remove the ADF background-solenoid assembly (4 of 5) ....................................................... 195

Figure 5-232 Remove the ADF background-solenoid assembly (5 of 5) ....................................................... 196

Figure 5-233 Reinstall the ADF background-solenoid assembly (1 of 3 ........................................................ 197

Figure 5-234 Reinstall the ADF background-solenoid assembly (1 of 3) ....................................................... 197

Figure 5-235 Reinstall the ADF background-solenoid assembly (3 of 3) ....................................................... 198

Figure 5-236 Imprinter carriage and FFC (1 of 3) ......................................................................................... 199

Figure 5-237 Imprinter carriage and FFC (2 of 3) .......................................................................................... 199

Figure 5-238 Imprinter carriage and FFC (3 of 3) .......................................................................................... 200

Figure 5-239 Remove the scanner carriage-motor fan (1 of 5) ...................................................................... 203

Figure 5-240 Remove the scanner carriage-motor fan (2 of 5) ...................................................................... 203

Figure 5-241 Remove the scanner carriage-motor fan (3 of 5) ...................................................................... 204

Figure 5-242 Remove the scanner carriage-motor fan (4 of 5) ...................................................................... 204

Figure 5-243 Remove the scanner carriage-motor fan (5 of 5) ...................................................................... 205

Figure 5-244 Remove the scanner carriage fan (1 of 3) ................................................................................ 206

Figure 5-245 Remove the scanner carriage fan (2 of 3) ................................................................................ 206

Figure 5-246 Remove the scanner carriage fan (3 of 3) ................................................................................ 207

Figure 5-247 Remove the scanner carriage motor (1 of 5) ............................................................................ 208

Figure 5-248 Remove the scanner carriage motor (2 of 5) ............................................................................ 208

Figure 5-249 Remove the scanner carriage motor (3 of 5) ............................................................................ 209

Figure 5-250 Remove the scanner carriage motor (4 of 5) ............................................................................ 209

Figure 5-251 Remove the scanner carriage motor (5 of 5) ............................................................................ 210

Figure 5-252 Remove the control-panel PCA (1 of 3) .................................................................................... 211

Figure 5-253 Remove the control-panel PCA (2 of 3) .................................................................................... 211

Figure 5-254 Remove the control-panel PCA (3 of 3) .................................................................................... 212

Figure 5-255 Remove the scanner controller PCA (1 of 4) ............................................................................ 213

Figure 5-256 Remove the scanner controller PCA (2 of 4) ............................................................................ 214

Figure 5-257 Remove the scanner controller PCA (3 of 4) ............................................................................ 214

Figure 5-258 Remove the scanner controller PCA (4 of 4) ............................................................................ 215

Figure 5-259 Remove the power-supply PCA (1 of 6) ................................................................................... 216

Figure 5-260 Remove the power-supply PCA (2 of 6) ................................................................................... 217

Figure 5-261 Remove the power-supply PCA (3 of 6) ................................................................................... 217

Figure 5-262 Remove the power-supply PCA (4 of 6) ................................................................................... 218

Figure 5-263 Remove the power-supply PCA (5 of 6) ................................................................................... 218

Figure 5-264 Remove the power-supply PCA (6 of 6) ................................................................................... 219

Figure 5-265 Remove the scanner-glass assembly (1 of 2) .......................................................................... 220

Figure 5-266 Remove the scanner-glass assembly (2 of 2) .......................................................................... 220

Figure 5-267 Remove the ADF power-cable assembly (1 of 3) ..................................................................... 221

Figure 5-268 Remove the ADF power-cable assembly (2 of 3) ..................................................................... 221

ENWW xvii

Figure 5-269 Remove the ADF power-cable assembly (3 of 3) ..................................................................... 222

Figure 5-270 Remove the carriage-motor cable ............................................................................................ 223

Figure 5-271 Remove the power switch and power receptacle assembly (1 of 3) ......................................... 224

Figure 5-272 Remove the power switch and power receptacle assembly (2 of 3) ......................................... 224

Figure 5-273 Remove the power switch and power receptacle assembly (3 of 3) ......................................... 225

Figure 6-1 Control-panel LEDs ....................................................................................................................... 232

Figure 6-2 Main screen .................................................................................................................................. 235

Figure 6-3 Scan dialog box ............................................................................................................................ 237

Figure 6-4 Sensor in motion tab ..................................................................................................................... 239

Figure 6-5 Sensor tab ..................................................................................................................................... 241

Figure 6-6 Control panel check dialog box ..................................................................................................... 244

Figure 6-7 ADF feed test dialog box ............................................................................................................... 246

Figure 6-8 Actuators dialog box ..................................................................................................................... 248

Figure 6-9 Get/SetNVRAMValue(String) tab .................................................................................................. 251

Figure 6-10 Get/SetNVRAMValue(String) tab ................................................................................................ 252

Figure 6-11 Repair menu ............................................................................................................................... 254

Figure 6-12 Version information dialog box ................................................................................................... 255

Figure 6-13 Major components (1 of 3) .......................................................................................................... 256

Figure 6-14 Major components (2 of 3) .......................................................................................................... 257

Figure 6-15 Major components (3 of 3) .......................................................................................................... 257

Figure 6-16 ADF motors and fans (1 of 2) ...................................................................................................... 258

Figure 6-17 ADF motors and fans (2 of 2) ...................................................................................................... 259

Figure 6-18 ADF PCAs ................................................................................................................................... 260

Figure 6-19 Scanner PCAs ............................................................................................................................ 261

Figure 6-20 Clear jams from the ADF (1 of 5) ................................................................................................ 269

Figure 6-21 Clear jams from the ADF (2 of 5) ................................................................................................ 269

Figure 6-22 Clear jams from the ADF (3 of 5) ................................................................................................ 270

Figure 6-23 Clear jams from the ADF (4 of 5) ................................................................................................ 270

Figure 6-24 Clear jams from the ADF (5 of 5) ................................................................................................ 271

Figure 7-1 ADF assemblies (1 of 14) ............................................................................................................. 290

Figure 7-2 ADF assemblies (2 of 14) ............................................................................................................. 292

Figure 7-3 ADF assemblies (3 of 14) ............................................................................................................. 294

Figure 7-4 ADF assemblies (4 of 14) ............................................................................................................. 296

Figure 7-5 ADF assemblies (5 of 14) ............................................................................................................. 298

Figure 7-6 ADF assemblies (6 of 14) ............................................................................................................. 300

Figure 7-7 ADF assemblies (7 of 14) ............................................................................................................. 302

Figure 7-8 ADF assemblies (8 of 14) ............................................................................................................. 304

Figure 7-9 ADF assemblies (9 of 14) ............................................................................................................. 306

Figure 7-10 ADF assemblies (10 of 14) ......................................................................................................... 308

Figure 7-11 ADF assemblies (11 of 14) ......................................................................................................... 310

Figure 7-12 ADF assemblies (12 of 14) ......................................................................................................... 312

Figure 7-13 ADF assemblies (13 of 14) ......................................................................................................... 314

Figure 7-14 ADF assemblies (14 of 14) ......................................................................................................... 316

Figure 7-15 Flatbed scanner assemblies (1 of 9) ........................................................................................... 318

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Figure 7-16 Flatbed scanner assemblies (2 of 9) ........................................................................................... 320

Figure 7-17 Flatbed scanner assemblies (3 of 9) ........................................................................................... 322

Figure 7-18 Flatbed scanner assemblies (4 of 9) ........................................................................................... 324

Figure 7-19 Flatbed scanner assemblies (5 of 9) ........................................................................................... 326

Figure 7-20 Flatbed scanner assemblies (6 of 9) ........................................................................................... 328

Figure 7-21 Flatbed scanner assemblies (7 of 9) ........................................................................................... 330

Figure 7-22 Flatbed scanner assemblies (8 of 9) ........................................................................................... 332

Figure 7-23 Flatbed scanner assemblies (9 of 9) ........................................................................................... 334

Figure A-1 Repack the product (1 of 3) .......................................................................................................... 356

Figure A-2 Repack the product (2 of 3) .......................................................................................................... 356

Figure A-3 Repack the product (3 of 3) .......................................................................................................... 357

ENWW xix

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1 Product basics

Quick access to product information

●

Product basics

●

System requirements

●

Paper handling

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ENWW 1

Quick access to product information

Use the following Web site to find information about the product:

www.hp.com/support

●

Table 1-1 Product guides

Guide Description

User Guide The scanner User Guide is the primary source for scanner information. It provides

information about using, maintaining, and troubleshooting the scanner.

View the User Guide in the installed (system) language

1. Click Start.

2. Point to Programs or All Programs.

3. Point to Scanjet, and then point to N9120.

4. Click User Guide.

View the User Guide in a different language

1. Insert the HP software CD that came with the scanner into the computer compact-disk

drive. Wait for the installation dialog box to appear.

2. Click View or print guides.

3. Click a language for the User Guide.

HP Smart Document Scan software help

HP Scanner Tools Utility help The HP Scanner Tools Utility help explains the scanner settings, information about scanner

The HP Smart Document Scan software help explains how to use HP Smart Document Scan software features such as creating and editing profiles.

1. Double-click the HP Smart Document Scan icon on your computer desktop.

2. Click Help on the menu bar.

status and maintenance, and how to assign functionality to the scanner front-panel buttons.

1. Press the Tools button on the scanner front panel.

2. Click Help in HP Scanner Tools Utility dialog box (this dialog box appears on the

computer that is connected to the HP Scanjet N9120.

2 Chapter 1 Product basics ENWW

Product basics

Product features

Table 1-2 Product specifications

Description Specification

Scanner type Scanner with ADF

Overall size 692 x 558 x 343 mm (27.3 x 22.0 x 13.5 in)

Weight 38.5 kg (85 lb)

Scanning element

Interface USB 2.0 high speed (compatible with USB 1.1)

Optical resolution

AC power 100–240 V~, 50/60 Hz, 1.8 A

Power consumption

Energy information

Charge-coupled device (CCD)

600 x 600 dpi hardware

For power consumption information, see the regulatory_supplement.htm file on the HP Scanning Software CD.

To learn if your HP scanner is ENERGY STAR® qualified, go to www.hp.com, select your country/region, and then search on Energy Star.

ENWW Product basics 3

Product walkaround

Front and right-side view

Figure 1-1 Front and right-side view

1 Front panel

2 ADF

3 ADF input tray

4 ADF output tray

5 Latch for opening the ADF jam door 1

6 Power switch

4 Chapter 1 Product basics ENWW

Back view

Figure 1-2 Back view

1 Power receptacle

2 USB port

Side view (left)

Figure 1-3 Side view (left)

1 Scanner carriage lock

ENWW Product basics 5

Model and serial numbers

The model and serial numbers are listed on identification labels located on the ADF and flatbed scanner.

Figure 1-4 Model and serial number (1 of 2)

Figure 1-5 Model and serial number (2 of 2)

NOTE: If the product is owned by the U.S. government, the ADF and flatbed scanner have a special

serial-number designation. Replacement components for these products must have a similar serialnumber designation.

6 Chapter 1 Product basics ENWW

Control-panel walkaround

Figure 1-6 Control-panel features

Table 1-3 Control-panel features

Item Icon Button name Description

1 Copy By default, print the number of copies currently configured in

2 Scan By default, start a scan that uses the HP Smart Document Scan

HP Document Copy.

Alternatively, start the scanning software that is assigned to this button.

software profile that is assigned to this button.

Alternatively, start the scanning software that is assigned to this button.

3 Cancel Cancel a scan or copy in progress.

4 Tools Open the HP Scanner Tools Utility where you can do the following

tasks:

Associate the scanner control-panel buttons with scanning

●

software.

Configure the buttons on the scanner front panel.

●

Manage the imprinter.

●

View information about scanner settings, status, and

●

maintenance.

5 Attention LED The Attention LED provides status information about the scanner.

6 Power Save Press the Power Save button to put the scanner in Power Save

mode when you are not using the scanner. When you are ready to begin scanning again, press the Power Save button to wake up the scanner.

ENWW Product basics 7

Supported product software

Supported operating systems

The product supports the following operating systems:

Microsoft® Windows 2000

●

Windows® XP Home/Professional

●

Windows Vista®

●

Linux 2.4 and 2.6 Kernel Available

●

Supported scanner drivers

The product supports the following scanner drivers:

Twain

●

ISIS

●

WIA

●

Supported scanner-management software

HP Scanning Software CD

HP Scanner Tools Utility

●

HP Smart Document Scan

●

Kofax VRS Pro

●

Third-party document-management software

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8 Chapter 1 Product basics ENWW

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