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Epson WorkForce Pro WF-4820 Users Guide - Page 334

Image Consists of a Few Dots Only, Line of Dots Appears in All Scanned Images, Image Type, Color

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To adjust the colors in your scanned image, adjust these Epson Scan 2 or Epson ScanSmart settings (if available) and try scanning again: • Make sure you select the correct Image Type for your original. • If the Image Type setting is Color or Grayscale, adjust the Contrast setting. • If the Image Type setting is Black & White or Grayscale, adjust the Color Enhance setting. Parent topic: Solving Scanned Image Quality Problems Image Consists of a Few Dots Only If your scanned image consists only of a few dots, try these solutions: • Make sure you placed your original for scanning facing the correct way. • Make sure you select the correct Image Type for your original. • If the Image Type setting is Black & White, adjust the Threshold and scan again. • Remove any lint or dirt from your original. • Do not press on the original or the document cover with too much force. Parent topic: Solving Scanned Image Quality Problems Related references Additional Scanning Settings - Advanced Settings Tab Line of Dots Appears in All Scanned Images If a line of dots appears in all your scanned images, try these solutions: • Clean the scanner glass with a soft, dry, lint-free cloth or use a small amount of glass cleaner on the cloth, if necessary. Paper towels are not recommended. Caution: Do not spray glass cleaner directly on the scanner glass. • Make sure any interface cables are securely connected at both ends. Keep the document cover closed to prevent dirt or dust from getting inside. If you are scanning from the ADF, make sure the ADF edge guides fit against the loaded originals. You can also try cleaning the ADF and scanning again. Parent topic: Solving Scanned Image Quality Problems 334

Section	Page
Contents	3
Product Basics	16
Using the Control Panel	16
Control Panel Buttons and Lights	17
The LCD Screen	18
Status Icon Information	19
Navigating the LCD Screen	20
Entering Characters on the LCD Screen	21
Selecting the Date and Time	22
Using Presets	23
Changing LCD Screen Language	25
Adjusting Control Panel Sounds	25
Adjusting the Screen Brightness	26
Turning Off the Operation Time Out Setting	27
Preventing PC Connection via USB	28
Product Parts Locations	29
Product Parts - Front	30
Product Parts - Inside	32
Product Parts - Back	34
Checking for Software Updates	34
Using Power Saving Settings	35
Changing the Sleep Timer Settings	35
Changing the Power Off Timer Settings	37
Epson Connect Solutions for Smartphones, Tablets, and More	38
Setting Up Epson Connect Services	38
Using Epson Email Print	40
Using the Epson Smart Panel Mobile App	40
Using the Epson iPrint Mobile App	41
Using Epson Remote Print	41
Using Epson Scan to Cloud	42
Using AirPrint	42
Setting Up Printing on a Chromebook	43
Android Printing Using the Epson Print Enabler	43
Using Fire OS Printing	44
Using Windows 10 Mobile Printing	44
Using Epson Print and Scan App with Windows Tablets	45
Voice-activated Printing	45
Wi-Fi or Wired Networking	47
Network Security Recommendations	47
Wi-Fi Infrastructure Mode Setup	48
Selecting Wireless Network Settings from the Control Panel	49
Wi-Fi Direct Mode Setup	51
Enabling Wi-Fi Direct Mode	52
Wi-Fi Protected Setup (WPS)	53
Using WPS to Connect to a Network	54
Printing a Network Status Sheet	55
Printing a Network Connection Report	56
Network Connection Report Codes and Messages	57
Configuring Email Server Settings	62
Email Server Settings	64
Changing or Updating Network Connections	65
Accessing the Web Config Utility	65
Changing a USB Connection to a Wi-Fi Connection	66
Changing a Wi-Fi Connection to a Wired Network Connection	66
Connecting to a New Wi-Fi Router	67
Disabling Wi-Fi Features	67
Loading Paper	69
Loading Paper in the Cassette	69
Paper Loading Capacity	71
Double-sided Printing Capacity	75
Borderless Paper Type Compatibility	77
Compatible Epson Papers	78
Paper or Media Type Settings - Printing Software	80
Selecting the Paper Settings for Each Source - Control Panel	81
Paper Type Settings - Control Panel	82
Selecting the Default Paper Source Settings	83
Paper Source Settings Options	84
Selecting the Universal Print Settings	84
Universal Print Settings Options	85
Placing Originals on the Product	87
Placing Originals on the Scanner Glass	87
Placing Originals in the Automatic Document Feeder	89
ADF Original Document Specifications	93
Copying	96
Copying Documents or Photos	96
Copying Options	97
Printing from a Computer	101
Printing with Windows	101
Selecting Basic Print Settings - Windows	102
Paper Source Options - Windows	105
Print Quality Options - Windows	105
Multi-Page Printing Options - Windows	105
Selecting Double-sided Printing Settings - Windows	106
Double-sided Printing Options - Windows	108
Print Density Adjustments - Windows	109
Selecting Additional Layout and Print Options - Windows	109
Custom Color Correction Options - Windows	111
Image Options and Additional Settings - Windows	112
Header/Footer Settings - Windows	113
Selecting a Printing Preset - Windows	114
Selecting Extended Settings - Windows	116
Extended Settings - Windows	117
Printing Your Document - Windows	118
Locking Printer Settings - Windows	119
Locked Setting Options	121
Selecting Default Print Settings - Windows	122
Changing the Language of the Printer Software Screens	123
Changing Automatic Update Options	124
Printing with the Built-in Epson Driver - Windows 10 S	125
Selecting Print Settings - Windows 10 S	126
Printing on a Mac	129
Selecting Basic Print Settings - Mac	130
Paper Source Options - Mac	134
Print Quality Options - Mac	134
Print Options - Mac	134
Selecting Page Setup Settings - Mac	135
Selecting Print Layout Options - Mac	136
Selecting Double-sided Printing Settings - Mac	136
Double-sided Printing Options and Adjustments - Mac	138
Managing Color - Mac	138
Color Matching and Color Options - Mac	139
Selecting Printing Preferences - Mac	140
Printing Preferences - Mac	141
Printing Your Document or Photo - Mac	142
Checking Print Status - Mac	143
Printing from a Smart Device	143
Cancelling Printing Using the Product	144
Scanning	145
Starting a Scan	145
Starting a Scan Using the Product Control Panel	145
Scanning to Email	147
Scanning to a Connected Computer	149
Setting Up a WSD Port (Windows 7/Windows Vista)	151
Scanning to the Cloud	152
Scanning to a Memory Device	154
Control Panel Scanning Options	155
Setting Up and Scanning to a Network Folder or FTP Server	158
Creating a Shared Network Folder	158
Registering Contacts for Email, Network, or FTP Scanning - Control Panel	160
Registering Contacts for Network Folder or FTP Scanning - Web Config	162
Scanning to a Network Folder or FTP Server	163
Starting a Scan Using the Epson Scan 2 Icon	165
Starting a Scan from a Scanning Program	167
Starting a Scan from a Smart Device	169
Scanning a Document in Epson ScanSmart	169
Saving a Scan	172
Attaching a Scan to Email	173
Sending a Scan to a Cloud Service	174
Printing a Scan	175
Selecting Epson ScanSmart Settings	176
Changing the Epson Product	177
Changing the Scan Settings	178
Changing the File Name Settings	180
Changing the Save Settings	181
Save Settings	183
Customizing Action Icons	185
Scanning in Epson Scan 2	186
Additional Scanning Settings - Main Settings Tab	189
Additional Scanning Settings - Advanced Settings Tab	190
Saving Scanned Documents as a Searchable PDF Using Epson Scan 2	190
Image Format Options	192
Scan Resolution Guidelines	192
Faxing	194
Connecting a Telephone or Answering Machine	194
Setting Up Fax Features	197
Setting Up Basic Fax Features	197
Using the Fax Setup Wizard	197
Selecting the Line Type	199
Setting the Number of Rings to Answer	200
Selecting Advanced Fax Settings	201
Basic Settings - Fax	202
Send Settings - Fax	204
Receive Settings - Fax	205
Report Settings - Fax	206
Security Settings - Fax	207
Setting Up the Fax Utility - Windows	208
Setting Up Fax Features Using the Fax Utility - Mac	210
Setting Up Contacts and Contact Groups	211
Creating a Contact	212
Editing or Deleting a Contact	214
Creating a Contact Group	215
Editing or Deleting a Contact Group	217
Sending Faxes	219
Sending Faxes from the Product Control Panel	219
Sending a Fax Using the Keypad, Contact List, or History	219
Fax Sending Options	221
Sending a Fax at a Specified Time	223
Sending Faxes Using the Fax Utility - Windows	224
Sending Faxes Using the Fax Utility - Mac	227
Dialing Fax Numbers from a Connected Telephone	230
Receiving Faxes	231
Fax Reception	231
Receiving Faxes Automatically	232
Receiving Faxes Manually	232
Receiving a Fax by Polling	233
Viewing a Fax on the LCD Screen (Using the Inbox)	234
Saving Faxes to an External USB Device	235
Checking Fax Status	236
Printing Fax Reports	237
Fax Report Options	238
Using External USB Devices with Your Product	240
Connecting a USB Device	240
USB Device Photo File Specifications	240
Disconnecting a USB Device	241
Viewing and Printing from the LCD Screen	241
Printing JPEG Photos	241
Printing TIFF Files	242
Print Setting Options - Device Mode	243
Transferring Files on a USB Device	245
Setting Up File Sharing for File Transfers from Your Computer	245
Transferring Files from a USB Device to Your Computer	246
Replacing Ink Cartridges and Maintenance Boxes	248
Ink Safety Precautions	248
Check Cartridge and Maintenance Box Status	250
Checking Cartridge Status on the LCD Screen	250
Checking Cartridge and Maintenance Box Status - Windows	251
Checking Cartridge and Maintenance Box Status - Mac	254
Purchase Epson Ink Cartridges and Maintenance Box	255
Ink Cartridge and Maintenance Box Part Numbers	255
Removing and Installing Ink Cartridges	256
Printing with Black Ink and Expended Color Cartridges	262
Printing with Expended Color Cartridges - Windows	262
Printing with Expended Color Cartridges - Mac	263
Conserving Low Black Ink with Windows	264
Replacing the Maintenance Box	265
Adjusting Print Quality	268
Print Head Maintenance	268
Print Head Nozzle Check	269
Checking the Nozzles Using the Product Control Panel	269
Checking the Nozzles Using a Computer Utility	271
Print Head Cleaning	272
Cleaning the Print Head Using the Product Control Panel	273
Cleaning the Print Head Using a Computer Utility	274
Aligning the Print Head Using the Product Control Panel	276
Adjusting the Print Quality Using the Product Control Panel	278
Cleaning the Paper Guide	279
Checking the Number of Sheets on the LCD Screen	280
Cleaning and Transporting Your Product	282
Cleaning Your Product	282
Transporting Your Product	286
Solving Problems	289
Viewing the Help Screen	289
Checking for Software Updates	290
Product Status Messages	291
Running a Product Check	295
Resetting Control Panel Defaults	296
Solving Setup Problems	297
Product Does Not Turn On or Off	298
Noise After Ink Installation	298
Software Installation Problems	298
Solving Network Problems	299
Product Cannot Connect to a Wireless Router or Access Point	299
Network Software Cannot Find Product on a Network	300
Product Does Not Appear in Mac Printer Window	301
Wireless Network Connection is Unstable on a Mac	302
Cannot Print Over a Network	302
Cannot Scan Over a Network	304
Solving Copying Problems	305
Product Cannot Copy	305
Product Makes Noise, But Nothing Copies	305
Product Makes Noise When It Sits for a While	306
Originals Do Not Feed From the Automatic Document Feeder	306
Solving Paper Problems	307
Paper Feeding Problems	308
Paper Jam Problems in the Cassette	308
Paper Jam Problems in the Rear Cover	310
Document Jams in the Automatic Document Feeder	311
Paper Ejection Problems	314
Solving Problems Printing from a Computer	314
Nothing Prints	315
Product Icon Does Not Appear in Windows Taskbar	316
Error After Cartridge Replacement	316
Printing is Slow	317
Solving Page Layout and Content Problems	319
Inverted Image	319
Too Many Copies Print	320
Blank Pages Print	320
Incorrect Margins on Printout	320
Border Appears on Borderless Prints	321
Incorrect Characters Print	321
Incorrect Image Size or Position	322
Slanted Printout	323
Solving Print Quality Problems	323
White or Dark Lines in Printout	324
Blurry or Smeared Printout	324
Faint Printout or Printout Has Gaps	326
Grainy Printout	326
Incorrect Colors	327
Solving Scanning Problems	328
Scanning Software Does Not Operate Correctly	328
Cannot Start Epson Scan 2	329
Scanning Speed is Slow	330
Cannot Save a Scan to a Shared Folder Over a Network	330
Solving Scanned Image Quality Problems	332
Scanned Image Quality Problems	332
Image Consists of a Few Dots Only	334
Line of Dots Appears in All Scanned Images	334
Straight Lines in an Image Appear Crooked	335
Characters are Not Recognized During Conversion to Editable Text (OCR)	335
Scanned Characters are Blurry	335
Image Colors are Patchy at the Edges	336
Ripple Patterns Appear in an Image	336
Streaks Appear in All Scanned Images	336
Scanned Image Edges are Cropped	337
Solving Faxing Problems	337
Cannot Send or Receive Faxes	337
Cannot Receive Faxes with a Telephone Connected to Your Product	339
Fax Memory Full Error Appears	340
Sent Fax Quality is Poor	340
Sent Fax is Received in an Incorrect Size	341
Received Fax Quality is Poor	342
Received Fax is Not Printed	342
Solving USB Device Problems	342
Cannot View or Print from a USB Device	343
Cannot Save Files on a USB Device	343
Cannot Transfer Files To or From a USB Device	344
Uninstall Your Product Software	344
Uninstalling Product Software - Windows	344
Uninstalling Product Software - Mac	346
Where to Get Help	346
Technical Specifications	348
Windows System Requirements	348
Mac System Requirements	349
Paper Specifications	349
Printable Area Specifications	351
Automatic Document Feeder (ADF) Specifications	352
Scanning Specifications	353
Fax Specifications	354
Ink Cartridge Specifications	355
Dimension Specifications	355
Electrical Specifications	356
Environmental Specifications	357
External USB Device Specifications	357
Interface Specifications	358
Network Interface Specifications	358
Safety and Approvals Specifications	360
Notices	362
Important Safety Instructions	362
General Product Safety Instructions	362
Ink Cartridge Safety Instructions	364
LCD Screen Safety Instructions	365
Wireless Connection Safety Instructions	366
Telephone Equipment Safety Instructions	366
Important Privacy Notice (Printer Serial Number)	366
FCC Compliance Statement	367
Binding Arbitration and Class Waiver	369
Trademarks	372
Copyright Notice	373
libTIFF Software Acknowledgment	374
A Note Concerning Responsible Use of Copyrighted Materials	374
Default Delay Times for Power Management for Epson Products	374