Epson ET-3750 series User manual

ET-3750 User's Guide

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Contents
ET-3750 User's Guide................................................................................................................................ 11
Product Basics .......................................................................................................................................... 12
Using the Control Panel ..................................................................................................................... 12
Control Panel Buttons and Lights .................................................................................................. 13
Status Icon Information ............................................................................................................. 14
Entering Characters on the LCD Screen ....................................................................................... 15
Changing LCD Screen Language.................................................................................................. 15
Adjusting the Screen Brightness.................................................................................................... 16
Turning Off the Operation Time Out Setting .................................................................................. 17
Product Parts Locations ..................................................................................................................... 18
Product Parts - Front ..................................................................................................................... 19
Product Parts - Inside .................................................................................................................... 21
Product Parts - Back...................................................................................................................... 23
Using Power Saving Settings ............................................................................................................. 23
Changing the Sleep Timer Settings ............................................................................................... 23
Changing the Power Off Timer Settings ........................................................................................ 25
Epson Connect Solutions for Smartphones, Tablets, and More ......................................................... 26
Setting Up Epson Connect Services.............................................................................................. 26
Using Epson Email Print ............................................................................................................... 28
Using the Epson iPrint Mobile App ................................................................................................ 29
Using Epson Remote Print ........................................................................................................... 29
Using Epson Scan to Cloud........................................................................................................... 30
Using AirPrint .................................................................................................................................... 31
Using Google Cloud Print................................................................................................................... 31
Android Printing Using the Epson Print Enabler ................................................................................ 32
Using Fire OS Printing ....................................................................................................................... 33
Using Windows 10 Mobile Printing .................................................................................................... 33
Using Epson Print and Scan App with Windows Tablets ................................................................... 34
Wi-Fi or Wired Networking........................................................................................................................ 35
Network Security Recommendations ................................................................................................. 35

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Wi-Fi Infrastructure Mode Setup......................................................................................................... 36
Selecting Wireless Network Settings from the Control Panel ........................................................ 37
Wi-Fi Direct Mode Setup .................................................................................................................... 39
Enabling Wi-Fi Direct Mode........................................................................................................... 39
Wi-Fi Protected Setup (WPS)............................................................................................................. 41
Using WPS to Connect to a Network ............................................................................................. 41
Printing a Network Status Sheet......................................................................................................... 42
Printing a Network Connection Report ............................................................................................... 43
Network Connection Report Codes and Messages ....................................................................... 45
Changing or Updating Network Connections ..................................................................................... 50
Accessing the Web Config Utility................................................................................................... 50
Changing a USB Connection to a Wi-Fi Connection...................................................................... 51
Changing a Wi-Fi Connection to a Wired Network Connection...................................................... 51
Connecting to a New Wi-Fi Router ................................................................................................ 52
Disabling Wi-Fi Features ............................................................................................................... 52
Loading Paper ........................................................................................................................................... 54
Loading Paper in the Cassette ........................................................................................................... 54
Paper Loading Capacity..................................................................................................................... 59
Double-sided Printing Capacity.......................................................................................................... 60
Compatible Epson Papers.................................................................................................................. 61
Borderless Paper Type Compatibility ................................................................................................. 62
Paper or Media Type Settings - Printing Software.............................................................................. 63
Selecting the Paper Settings - Control Panel ..................................................................................... 64
Paper Type Settings - Control Panel ............................................................................................. 64
Selecting the Default Paper Source Settings...................................................................................... 65
Paper Source Settings Options ..................................................................................................... 66
Placing Originals on the Product ............................................................................................................. 68
Placing Originals on the Scanner Glass ............................................................................................. 68
Placing Originals in the Automatic Document Feeder ........................................................................ 69
ADF Original Document Specifications .............................................................................................. 71
Copying ...................................................................................................................................................... 73
Copying Documents or Photos........................................................................................................... 73
Copying Options................................................................................................................................. 74

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Printing from a Computer ......................................................................................................................... 76
Printing with Windows ........................................................................................................................ 76
Selecting Basic Print Settings - Windows ...................................................................................... 77
Print Quality Options - Windows ............................................................................................... 79
Multi-Page Printing Options - Windows..................................................................................... 79
Selecting Double-sided Printing Settings - Windows ..................................................................... 80
Double-sided Printing Options - Windows................................................................................. 82
Print Density Adjustments - Windows ....................................................................................... 83
Selecting Additional Layout and Print Options - Windows ............................................................. 84
Custom Color Correction Options - Windows............................................................................ 86
Image Options and Additional Settings - Windows.................................................................... 87
Header/Footer Settings - Windows ........................................................................................... 88
Selecting a Printing Preset - Windows........................................................................................... 89
Selecting Extended Settings - Windows ........................................................................................ 90
Extended Settings - Windows ................................................................................................... 91
Printing Your Document or Photo - Windows................................................................................. 92
Locking Printer Settings - Windows ............................................................................................... 93
Locked Setting Options............................................................................................................. 95
Selecting Default Print Settings - Windows.................................................................................... 96
Changing the Language of the Printer Software Screens ......................................................... 97
Changing Automatic Update Options ............................................................................................ 98
Printing with the Built-in Epson Driver - Windows 10 S....................................................................... 99
Selecting Print Settings - Windows 10 S........................................................................................ 99
Printing on a Mac ............................................................................................................................. 103
Selecting Basic Print Settings - Mac ........................................................................................... 104
Print Quality Options - Mac ..................................................................................................... 107
Print Options - Mac ................................................................................................................. 107
Selecting Page Setup Settings - Mac .......................................................................................... 108
Selecting Print Layout Options - Mac........................................................................................... 109
Selecting Double-sided Printing Settings - Mac........................................................................... 110
Double-sided Printing Options and Adjustments - Mac........................................................... 111
Managing Color - Mac ................................................................................................................. 112
Color Matching and Color Options - Mac ................................................................................ 113

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Selecting Printing Preferences - Mac .......................................................................................... 114
Printing Preferences - Mac...................................................................................................... 115
Printing Your Document or Photo - Mac ...................................................................................... 115
Checking Print Status - Mac.................................................................................................... 117
Printing From a Chromebook ........................................................................................................... 117
Cancelling Printing Using the Product .............................................................................................. 118
Scanning .................................................................................................................................................. 119
Starting a Scan................................................................................................................................. 119
Starting a Scan Using the Product Control Panel ........................................................................ 119
Scanning to a Connected Computer ....................................................................................... 120
Setting Up a WSD Port (Windows 7/Windows Vista) .............................................................. 123
Control Panel Scanning Options............................................................................................. 123
Changing Default Scan Job Settings ...................................................................................... 125
Starting a Scan Using the Epson Scan 2 Icon ............................................................................. 125
Starting a Scan from a Scanning Program................................................................................... 127
Starting a Scan from a Smart Device........................................................................................... 129
Scanning in Epson Scan 2 ............................................................................................................... 130
Additional Scanning Settings - Main Settings Tab ....................................................................... 133
Additional Scanning Settings - Advanced Settings Tab............................................................... 133
Saving Scanned Documents as a Searchable PDF Using Epson Scan 2 ................................... 134
Image Format Options................................................................................................................. 135
Scan Resolution Guidelines ........................................................................................................ 136
Refilling Ink .............................................................................................................................................. 138
Ink Safety Precautions ..................................................................................................................... 138
Check Ink Levels .............................................................................................................................. 140
Checking Ink Levels on Your Product.......................................................................................... 140
Checking Ink Levels - Windows................................................................................................... 141
Checking Ink Levels - Mac........................................................................................................... 142
Disabling Special Offers with Windows ....................................................................................... 144
Purchase Epson Ink and Maintenance Box...................................................................................... 145
Ink Bottle and Maintenance Box Part Numbers ........................................................................... 145
Refilling the Ink Tanks ...................................................................................................................... 145
Maintenance Box Replacement ....................................................................................................... 150

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Adjusting Print Quality............................................................................................................................ 152
Print Head Maintenance................................................................................................................... 152
Print Head Nozzle Check............................................................................................................. 152
Checking the Nozzles Using the Product Control Panel ......................................................... 153
Checking the Nozzles Using a Computer Utility...................................................................... 155
Print Head Cleaning .................................................................................................................... 156
Cleaning the Print Head Using the Product Control Panel ...................................................... 157
Cleaning the Print Head Using a Computer Utility................................................................... 158
Power Cleaning ........................................................................................................................... 161
Power Cleaning Using the Product Control Panel................................................................... 161
Power Cleaning Using a Computer Utility ............................................................................... 162
Print Head Alignment ....................................................................................................................... 164
Aligning the Print Head Using the Product Control Panel ............................................................ 164
Cleaning the Paper Guide ................................................................................................................ 166
Cleaning the Print Head Path ........................................................................................................... 167
Checking the Number of Sheets....................................................................................................... 169
Checking the Sheet Counter - Windows ...................................................................................... 169
Checking the Sheet Counter - Mac.............................................................................................. 170
Cleaning and Transporting Your Product ............................................................................................. 172
Cleaning Your Product ..................................................................................................................... 172
Cleaning the Paper Rollers .............................................................................................................. 174
Transporting Your Product ............................................................................................................... 177
Solving Problems .................................................................................................................................... 181
Checking for Software Updates........................................................................................................ 181
Product Status Messages ................................................................................................................ 182
Message Appears Prompting You to Reset Ink Levels..................................................................... 184
Running a Product Check ................................................................................................................ 185
Resetting Control Panel Defaults ..................................................................................................... 186
Solving Setup Problems ................................................................................................................... 187
Noise After Filling the Ink............................................................................................................. 188
Software Installation Problems .................................................................................................... 188
Control Panel Setup Problems .................................................................................................... 188
Solving Network Problems ............................................................................................................... 189

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Product Cannot Connect to a Wireless Router or Access Point .................................................. 189
Network Software Cannot Find Product on a Network................................................................. 191
Product Does Not Appear in Mac Printer Window ....................................................................... 192
Wireless Network Connection is Unstable on a Mac ................................................................... 192
Cannot Print Over a Network....................................................................................................... 193
Cannot Scan Over a Network ...................................................................................................... 194
Solving Copying Problems ............................................................................................................... 195
Product Makes Noise, But Nothing Copies.................................................................................. 195
Product Makes Noise When It Sits for a While............................................................................. 195
Solving Paper Problems................................................................................................................... 195
Paper Feeding Problems............................................................................................................. 196
Paper Jams Inside the Product.................................................................................................... 196
Paper Ejection Problems ............................................................................................................. 197
Solving Problems Printing from a Computer..................................................................................... 197
Nothing Prints.............................................................................................................................. 197
Product Icon Does Not Appear in Windows Taskbar ................................................................... 198
Printing is Slow ............................................................................................................................ 199
Solving Page Layout and Content Problems.................................................................................... 200
Inverted Image............................................................................................................................. 201
Too Many Copies Print ................................................................................................................ 201
Blank Pages Print ........................................................................................................................ 201
Incorrect Margins on Printout....................................................................................................... 202
Border Appears on Borderless Prints .......................................................................................... 202
Incorrect Characters Print............................................................................................................ 203
Incorrect Image Size or Position.................................................................................................. 203
Slanted Printout........................................................................................................................... 204
Solving Print Quality Problems......................................................................................................... 204
White or Dark Lines in Printout .................................................................................................... 205
Blurry or Smeared Printout .......................................................................................................... 206
Faint Printout or Printout Has Gaps ............................................................................................. 207
Grainy Printout............................................................................................................................. 208
Incorrect Colors ........................................................................................................................... 209
Solving Scanning Problems ............................................................................................................. 210

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Scanning Software Does Not Operate Correctly ......................................................................... 210
Cannot Start Epson Scan 2 ......................................................................................................... 211
Solving Scanned Image Quality Problems ....................................................................................... 212
Image Consists of a Few Dots Only............................................................................................. 212
Line of Dots Appears in All Scanned Images............................................................................... 212
Straight Lines in an Image Appear Crooked ................................................................................ 213
Image is Distorted or Blurry ......................................................................................................... 213
Image Colors are Patchy at the Edges ........................................................................................ 213
Image is Too Dark ....................................................................................................................... 214
Back of Original Image Appears in Scanned Image .................................................................... 214
Ripple Patterns Appear in an Image ............................................................................................ 214
Scanned Image Colors Do Not Match Original Colors................................................................. 215
Scanned Image Edges are Cropped ........................................................................................... 215
Uninstall Your Product Software....................................................................................................... 215
Uninstalling Product Software - Windows.................................................................................... 215
Uninstalling Product Software - Mac............................................................................................ 217
Where to Get Help............................................................................................................................ 217
Technical Specifications ........................................................................................................................ 219
Windows System Requirements ...................................................................................................... 219
Mac System Requirements .............................................................................................................. 220
Paper Specifications ........................................................................................................................ 220
Printable Area Specifications ........................................................................................................... 222
Scanning Specifications ................................................................................................................... 223
Automatic Document Feeder (ADF) Specifications .......................................................................... 224
Ink Specifications ............................................................................................................................. 224
Dimension Specifications ................................................................................................................. 225
Electrical Specifications ................................................................................................................... 225
Environmental Specifications ........................................................................................................... 226
Interface Specifications .................................................................................................................... 226
Network Interface Specifications ...................................................................................................... 226
Safety and Approvals Specifications ................................................................................................ 227
Notices ..................................................................................................................................................... 229
Important Safety Instructions............................................................................................................ 229

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General Product Safety Instructions ............................................................................................ 229
Wireless Connection Safety Instructions ..................................................................................... 231
LCD Screen Safety Instructions................................................................................................... 231
FCC Compliance Statement............................................................................................................. 232
Binding Arbitration and Class Waiver ............................................................................................... 232
Trademarks...................................................................................................................................... 236
Copyright Notice............................................................................................................................... 236
libTIFF Software Acknowledgment.............................................................................................. 237
A Note Concerning Responsible Use of Copyrighted Materials................................................... 237
Default Delay Times for Power Management for Epson Products ............................................... 238
Copyright Attribution.................................................................................................................... 238

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ET-3750 User's Guide
Welcome to the ET-3750 User's Guide.
For a printable PDF copy of this guide, click here.

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Product Basics
See these sections to learn about the basic features of your product.
Using the Control Panel
Product Parts Locations
Using Power Saving Settings
Epson Connect Solutions for Smartphones, Tablets, and More
Using AirPrint
Using Google Cloud Print
Android Printing Using the Epson Print Enabler
Using Fire OS Printing
Using Windows 10 Mobile Printing
Using Epson Print and Scan App with Windows Tablets
Using the Control Panel
See these sections to learn about the control panel and select control panel settings.
Control Panel Buttons and Lights
Entering Characters on the LCD Screen
Changing LCD Screen Language
Adjusting the Screen Brightness
Turning Off the Operation Time Out Setting
Parent topic: Product Basics

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Control Panel Buttons and Lights
1power button and light
2home button
3help button
4 LCD screen
5+and –buttons
6stop button
7 back button
8 Arrow buttons and OK button
9reset button
10 start button
Status Icon Information
Parent topic: Using the Control Panel

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Status Icon Information
Your product displays status icons on the LCD screen for certain product status conditions. Select the
icon to view or change the current network settings.
Icons Description
Displays additional information or instructions, such as loading paper or placing a
document.
Displays the Supply Status screen.
Quiet Mode is enabled. Noise is reduced during printing, but the print speed may be
reduced. Press this icon to change the settings.
Quiet Mode is disabled. Press this icon to change the settings.
No Ethernet connection.
An Ethernet connection is established.
No Wi-Fi connection.
A Wi-Fi network error has occurred or the product is searching for a connection.
A Wi-Fi connection is established. The number of bars indicates the connection's signal
strength.
No Wi-Fi Direct connection.
A Wi-Fi Direct connection is established.
Parent topic: Control Panel Buttons and Lights

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Entering Characters on the LCD Screen
Follow these guidelines to enter characters for passwords and other settings.
• To move the cursor, select the left or right arrows.
• To change the case of letters, select .
• To delete the previous character, select .
• To enter numbers or symbols, select AB1#.
• To enter a commonly used domain name, select @....
• To enter a space, select .
Parent topic: Using the Control Panel
Changing LCD Screen Language
You can change the language used on the LCD screen.
1. Press the home button, if necessary.
2. Select Settings.
3. Select General Settings.

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You see a screen like this:
4. Select Basic Settings.
5. Scroll down and select Language.
6. Select a language.
Parent topic: Using the Control Panel
Adjusting the Screen Brightness
You can adjust the brightness of the LCD screen.
1. Press the home button, if necessary.
2. Select Settings.
3. Select General Settings.

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You see a screen like this:
4. Select Basic Settings.
5. Select LCD Brightness.
6. Press the –or +icons to decrease or increase the brightness.
7. Select OK to exit.
Parent topic: Using the Control Panel
Turning Off the Operation Time Out Setting
The Operation Time Out setting causes the LCD screen to return to the Home screen after a few minutes
of inactivity. This feature is enabled by default, but you can turn it off.
1. Press the home button, if necessary.
2. Select Settings.
3. Select General Settings.

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You see a screen like this:
4. Select Basic Settings.
5. Scroll down and set Operation Time Out to Off.
Parent topic: Using the Control Panel
Product Parts Locations
See these sections to identify the parts on your product.
Product Parts - Front
Product Parts - Inside
Product Parts - Back
Parent topic: Product Basics

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Product Parts - Front
1 Automatic Document Feeder (ADF) cover
2 ADF input tray
3 ADF edge guides
4 ADF document support
5 ADF output tray extension

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6 ADF output tray
1 Output tray
2 Paper cassette
3 Paper cassette edge guides
4 Legal-size paper guide
Parent topic: Product Parts Locations