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Epson ET-4750 Users Guide - Page 267

Solving Scanned Image Quality Problems, Epson Scan 2 Utility

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• Make sure your computer is not running in a power-saving mode, such as sleep or standby. If so, wake your system and restart Epson Scan 2. • Check the connection setting and test the connection using Epson Scan 2 Utility: Windows 10: Click and select EPSON > Epson Scan 2 Utility. Make sure the correct product is selected. If necessary, select the Other tab and click Reset. Windows 8.x: Navigate to the Apps screen and select Epson Scan 2 Utility. Make sure the correct product is selected. If necessary, select the Other tab and click Reset. Windows (other versions): Click or Start > All Programs or Programs > EPSON > Epson Scan 2 > Epson Scan 2 Utility. Make sure the correct product is selected. If necessary, select the Other tab and click Reset. Mac: Open the Applications folder, click Epson Software, and click Epson Scan 2 Utility. Make sure the correct product is selected. If necessary, select the Other tab and click Reset. • Make sure you do not have multiple versions of Epson Scan 2 installed. If you do, uninstall both versions and install one version. • If you upgraded your operating system but did not reinstall Epson Scan 2, try reinstalling it. Parent topic: Solving Scanning Problems Related topics Starting a Scan Solving Scanned Image Quality Problems Check these sections if a scanned image on your computer screen has a quality problem. Image Consists of a Few Dots Only Line of Dots Appears in All Scanned Images Straight Lines in an Image Appear Crooked Image is Distorted or Blurry Image Colors are Patchy at the Edges Image is Too Dark Back of Original Image Appears in Scanned Image Ripple Patterns Appear in an Image Scanned Image Colors Do Not Match Original Colors Scanned Image Edges are Cropped Parent topic: Solving Problems 267

Section	Page
Contents	3
Product Basics	14
Using the Control Panel	14
Control Panel Buttons and Lights	15
Status Icon Information	15
Entering Characters on the LCD Screen	17
Selecting the Date and Time	17
Changing LCD Screen Language	19
Adjusting Control Panel Sounds	20
Adjusting the Screen Brightness	21
Turning Off the Operation Time Out Setting	22
Product Parts Locations	23
Product Parts - Front	24
Product Parts - Inside	26
Product Parts - Back	28
Using Power Saving Settings	28
Changing the Sleep Timer Settings	28
Changing the Power Off Timer Settings	30
Epson Connect Solutions for Smartphones, Tablets, and More	31
Setting Up Epson Connect Services	31
Using Epson Email Print	33
Using the Epson iPrint Mobile App	33
Using Epson Remote Print	34
Using Epson Scan to Cloud	34
Using AirPrint	35
Using Google Cloud Print	36
Android Printing Using the Epson Print Enabler	37
Using Fire OS Printing	37
Using Windows 10 Mobile Printing	38
Using Epson Print and Scan App with Windows Tablets	38
Wi-Fi or Wired Networking	40
Network Security Recommendations	40
Wi-Fi Infrastructure Mode Setup	41
Selecting Wireless Network Settings from the Control Panel	42
Wi-Fi Direct Mode Setup	44
Enabling Wi-Fi Direct Mode	44
Wi-Fi Protected Setup (WPS)	46
Using WPS to Connect to a Network	46
Printing a Network Status Sheet	47
Printing a Network Connection Report	48
Network Connection Report Codes and Messages	50
Changing or Updating Network Connections	55
Accessing the Web Config Utility	55
Changing a USB Connection to a Wi-Fi Connection	56
Changing a Wi-Fi Connection to a Wired Network Connection	56
Connecting to a New Wi-Fi Router	57
Disabling Wi-Fi Features	57
Loading Paper	59
Loading Paper in the Cassette	59
Paper Loading Capacity	64
Double-sided Printing Capacity	65
Compatible Epson Papers	66
Borderless Paper Type Compatibility	67
Paper or Media Type Settings - Printing Software	68
Selecting the Paper Settings - Control Panel	69
Paper Type Settings - Control Panel	69
Selecting the Default Paper Source Settings	70
Paper Source Settings Options	71
Selecting the Universal Print Settings	72
Universal Print Settings Options	73
Placing Originals on the Product	74
Placing Originals on the Scanner Glass	74
Placing Originals in the Automatic Document Feeder	75
ADF Original Document Specifications	77
Copying	79
Copying Documents or Photos	79
Copying Options	80
Printing from a Computer	82
Printing with Windows	82
Selecting Basic Print Settings - Windows	83
Print Quality Options - Windows	85
Multi-Page Printing Options - Windows	85
Selecting Double-sided Printing Settings - Windows	86
Double-sided Printing Options - Windows	88
Print Density Adjustments - Windows	89
Selecting Additional Layout and Print Options - Windows	90
Custom Color Correction Options - Windows	92
Image Options and Additional Settings - Windows	93
Header/Footer Settings - Windows	94
Selecting a Printing Preset - Windows	95
Selecting Extended Settings - Windows	96
Extended Settings - Windows	97
Printing Your Document or Photo - Windows	98
Locking Printer Settings - Windows	99
Locked Setting Options	101
Selecting Default Print Settings - Windows	102
Changing the Language of the Printer Software Screens	103
Changing Automatic Update Options	104
Printing with the Built-in Epson Driver - Windows 10 S	105
Selecting Print Settings - Windows 10 S	105
Printing on a Mac	108
Selecting Basic Print Settings - Mac	109
Print Quality Options - Mac	112
Print Options - Mac	112
Selecting Page Setup Settings - Mac	113
Selecting Print Layout Options - Mac	114
Selecting Double-sided Printing Settings - Mac	115
Double-sided Printing Options and Adjustments - Mac	116
Managing Color - Mac	117
Color Matching and Color Options - Mac	118
Selecting Printing Preferences - Mac	119
Printing Preferences - Mac	120
Printing Your Document or Photo - Mac	120
Checking Print Status - Mac	122
Printing From a Chromebook	122
Cancelling Printing Using the Product	123
Scanning	124
Starting a Scan	124
Starting a Scan Using the Product Control Panel	124
Scanning to a Connected Computer	125
Setting Up a WSD Port (Windows 7/Windows Vista)	128
Control Panel Scanning Options	128
Changing Default Scan Job Settings	130
Starting a Scan Using the Epson Scan 2 Icon	130
Starting a Scan from a Scanning Program	132
Starting a Scan from a Smart Device	134
Scanning in Epson Scan 2	135
Additional Scanning Settings - Main Settings Tab	138
Additional Scanning Settings - Advanced Settings Tab	138
Saving Scanned Documents as a Searchable PDF Using Epson Scan 2	139
Image Format Options	140
Scan Resolution Guidelines	141
Faxing	143
Connecting a Telephone or Answering Machine	143
Setting Up Fax Features	146
Setting Up Basic Fax Features	146
Using the Fax Setup Wizard	146
Selecting the Line Type	148
Setting the Number of Rings to Answer	149
Selecting Advanced Fax Settings	151
Print Settings - Fax	152
Basic Settings - Fax	153
Security Settings - Fax	155
Setting Up the Fax Utility - Windows	156
Setting Up Fax Features Using the Fax Utility - Mac	158
Setting Up Contacts and Contact Groups	159
Setting Up Contacts Using the Product Control Panel	160
Creating a Contact	160
Editing or Deleting a Contact	162
Creating a Contact Group	163
Editing or Deleting a Contact Group	165
Importing Contacts Using the Fax Utility - Windows	166
Setting Up Speed/Group Dial Lists Using the Fax Utility - Mac	169
Sending Faxes	171
Sending Faxes from the Product Control Panel	171
Sending a Fax Using the Keypad, Contact List, or History	172
Fax Sending Options	173
Sending a Fax at a Specified Time	175
Sending Faxes Using the Fax Utility - Windows	176
Sending Faxes Using the Fax Utility - Mac	179
Dialing Fax Numbers from a Connected Telephone	182
Receiving Faxes	183
Fax Reception	183
Receiving Faxes Automatically	184
Receiving Faxes Manually	184
Receiving a Fax by Polling	185
Viewing a Fax on the LCD Screen (Using the Inbox)	185
Selecting Received Fax Options Using the Fax Utility - Windows	187
Checking Fax Status	190
Printing Fax Reports	191
Fax Report Options	191
Refilling Ink	193
Ink Safety Precautions	193
Check Ink Levels	195
Checking Ink Levels on Your Product	195
Checking Ink Levels - Windows	196
Checking Ink Levels - Mac	197
Disabling Special Offers with Windows	199
Purchase Epson Ink and Maintenance Box	200
Ink Bottle and Maintenance Box Part Numbers	200
Refilling the Ink Tanks	200
Maintenance Box Replacement	205
Adjusting Print Quality	207
Print Head Maintenance	207
Print Head Nozzle Check	207
Checking the Nozzles Using the Product Control Panel	208
Checking the Nozzles Using a Computer Utility	210
Print Head Cleaning	211
Cleaning the Print Head Using the Product Control Panel	212
Cleaning the Print Head Using a Computer Utility	214
Power Cleaning	216
Power Cleaning Using the Product Control Panel	216
Power Cleaning Using a Computer Utility	217
Print Head Alignment	219
Aligning the Print Head Using the Product Control Panel	219
Cleaning the Paper Guide	221
Cleaning the Print Head Path	222
Checking the Number of Sheets	224
Checking the Sheet Counter - Windows	224
Checking the Sheet Counter - Mac	225
Cleaning and Transporting Your Product	227
Cleaning Your Product	227
Cleaning the Paper Rollers	229
Transporting Your Product	232
Solving Problems	236
Checking for Software Updates	236
Product Status Messages	237
Message Appears Prompting You to Reset Ink Levels	239
Running a Product Check	240
Resetting Control Panel Defaults	242
Solving Setup Problems	242
Noise After Filling the Ink	243
Software Installation Problems	243
Control Panel Setup Problems	244
Solving Network Problems	244
Product Cannot Connect to a Wireless Router or Access Point	244
Network Software Cannot Find Product on a Network	246
Product Does Not Appear in Mac Printer Window	247
Wireless Network Connection is Unstable on a Mac	248
Cannot Print Over a Network	248
Cannot Scan Over a Network	249
Solving Copying Problems	250
Product Makes Noise, But Nothing Copies	250
Product Makes Noise When It Sits for a While	251
Solving Paper Problems	251
Paper Feeding Problems	251
Paper Jams Inside the Product	252
Paper Ejection Problems	252
Solving Problems Printing from a Computer	252
Nothing Prints	253
Product Icon Does Not Appear in Windows Taskbar	253
Printing is Slow	254
Solving Page Layout and Content Problems	255
Inverted Image	256
Too Many Copies Print	256
Blank Pages Print	256
Incorrect Margins on Printout	257
Border Appears on Borderless Prints	257
Incorrect Characters Print	258
Incorrect Image Size or Position	259
Slanted Printout	259
Solving Print Quality Problems	260
White or Dark Lines in Printout	260
Blurry or Smeared Printout	261
Faint Printout or Printout Has Gaps	263
Grainy Printout	264
Incorrect Colors	265
Solving Scanning Problems	266
Scanning Software Does Not Operate Correctly	266
Cannot Start Epson Scan 2	266
Solving Scanned Image Quality Problems	267
Image Consists of a Few Dots Only	268
Line of Dots Appears in All Scanned Images	268
Straight Lines in an Image Appear Crooked	268
Image is Distorted or Blurry	268
Image Colors are Patchy at the Edges	269
Image is Too Dark	269
Back of Original Image Appears in Scanned Image	269
Ripple Patterns Appear in an Image	270
Scanned Image Colors Do Not Match Original Colors	270
Scanned Image Edges are Cropped	270
Solving Faxing Problems	271
Cannot Send or Receive Faxes	271
Cannot Receive Faxes with a Telephone Connected to Your Product	272
Fax Memory Full Error Appears	273
Sent Fax Quality is Poor	273
Sent Fax is Received in an Incorrect Size	274
Received Fax Quality is Poor	274
Received Fax is Not Printed	275
Uninstall Your Product Software	275
Uninstalling Product Software - Windows	275
Uninstalling Product Software - Mac	276
Where to Get Help	277
Technical Specifications	279
Windows System Requirements	279
Mac System Requirements	280
Paper Specifications	280
Printable Area Specifications	282
Scanning Specifications	283
Automatic Document Feeder (ADF) Specifications	284
Fax Specifications	284
Ink Specifications	285
Dimension Specifications	286
Electrical Specifications	286
Environmental Specifications	287
Interface Specifications	287
Network Interface Specifications	287
Safety and Approvals Specifications	288
Notices	290
Important Safety Instructions	290
General Product Safety Instructions	290
Wireless Connection Safety Instructions	292
LCD Screen Safety Instructions	292
Telephone Equipment Safety Instructions	293
FCC Compliance Statement	293
Binding Arbitration and Class Waiver	296
Trademarks	299
Copyright Notice	299
libTIFF Software Acknowledgment	300
A Note Concerning Responsible Use of Copyrighted Materials	301
Default Delay Times for Power Management for Epson Products	301