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Epson WorkForce WF-7840 Users Guide - Page 343

Faint Printout or Printout Has Gaps, Parent topic, Related concepts, Related references, Related tasks

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• Adjust the print quality in the product software. • Clean the paper path. • Do not press too hard on the original or the document cover when you are scanning originals on the scanner glass. • Clean the scanner glass. • Clean the ADF. Note: Your product will not operate properly while tilted at an angle. Place it on a flat, stable surface that extends beyond the base of the product in all directions. Parent topic: Solving Print Quality Problems Related concepts Print Head Cleaning Related references Paper Specifications Compatible Epson Papers Related tasks Aligning the Print Head Using the Product Control Panel Selecting Additional Layout and Print Options - Windows Selecting Basic Print Settings - Windows Selecting Double-sided Printing Settings - Windows Faint Printout or Printout Has Gaps If your printouts are faint or have gaps, try these solutions: • Run a nozzle check to see if any of the print head nozzles are clogged. Then clean the print head, if necessary. • The ink cartridges may be old or low on ink, and you may need to replace them. • Make sure the paper type setting matches the type of paper you loaded. • Make sure your paper is not damp, curled, old, or loaded incorrectly in your product. • When copying, increase the Density setting on the product control panel. • Align the print head. • Adjust the print quality in the product software. 343

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	20
Navigating the LCD Screen	22
Entering Characters on the LCD Screen	22
Viewing Animations	23
Changing LCD Screen Language	23
Selecting the Date and Time	24
Selecting Your Country or Region	25
Adjusting Control Panel Sounds	26
Setting a Password and Locking the Control Panel	28
Setting User Feature Restrictions (Access Control)	29
Preventing PC Connection via USB	30
Adjusting the Screen Brightness	31
Turning Off the Operation Time Out Setting	31
Using Presets	32
Product Parts Locations	35
Product Parts - Front	35
Product Parts - Inside	37
Product Parts - Back	39
Checking for Software Updates	39
Using Power Saving Settings	40
Changing the Sleep Timer Settings	40
Changing the Power Off Timer Settings	42
Epson Connect Solutions for Smartphones, Tablets, and More	43
Setting Up Epson Connect Services	43
Using Epson Email Print	45
Using the Epson Smart Panel Mobile App	45
Using the Epson iPrint Mobile App	46
Using Epson Remote Print	46
Using Epson Scan to Cloud	47
Using AirPrint	48
Setting Up Printing on a Chromebook	48
Android Printing Using the Epson Print Enabler	49
Using the Mopria Print Service	49
Using Fire OS Printing	50
Using Windows 10 Mobile Printing	50
Using Epson Print and Scan App with Windows Tablets	51
Voice-activated Printing	51
Wi-Fi or Wired Networking	53
Network Security Recommendations	53
Wi-Fi Infrastructure Mode Setup	54
Selecting Wireless Network Settings from the Control Panel	55
Setting Up Wireless Printing from a Smart Device Using Epson Smart Panel	57
Wi-Fi Direct Mode Setup	59
Connecting to a Mobile Device	59
Enabling Wi-Fi Direct Mode	61
Modifying the Wi-Fi Direct Network Name or Password	62
Wi-Fi Protected Setup (WPS)	64
Using WPS to Connect to a Network	64
Printing a Network Status Sheet	65
Printing a Network Connection Report	66
Network Connection Report Codes and Messages	68
Configuring Email Server Settings	73
Email Server Settings	75
Changing or Updating Network Connections	76
Accessing the Web Config Utility	76
Changing a USB Connection to a Wi-Fi Connection	77
Changing a Wi-Fi Connection to a Wired Network Connection	77
Connecting to a New Wi-Fi Router	78
Disabling Wi-Fi Features	78
Loading Paper	80
Loading Paper in the Cassette and Paper Tray (Rear Paper Feed Slot)	80
Paper Loading Capacity	83
Double-sided Printing Capacity	92
Borderless Paper Type Compatibility	95
Compatible Epson Papers	96
Paper or Media Type Settings - Printing Software	97
Selecting the Paper Settings for Each Source - Control Panel	98
Paper Type Settings - Control Panel	99
Selecting the Default Paper Source Settings	100
Paper Source Settings Options	101
Selecting the Universal Print Settings	101
Universal Print Settings Options	102
Placing Originals on the Product	104
Placing Originals on the Scanner Glass	104
Placing Originals in the Automatic Document Feeder	106
ADF Original Document Specifications	109
Copying	111
Copying Documents or Photos	111
Copying Options	112
Printing from a Computer	117
Printing with Windows	117
Selecting Basic Print Settings - Windows	118
Paper Source Options - Windows	121
Print Quality Options - Windows	121
Multi-Page Printing Options - Windows	121
Selecting Double-sided Printing Settings - Windows	122
Double-sided Printing Options - Windows	124
Print Density Adjustments - Windows	125
Selecting Additional Layout and Print Options - Windows	126
Custom Color Correction Options - Windows	128
Image Options and Additional Settings - Windows	129
Header/Footer Settings - Windows	130
Selecting a Printing Preset - Windows	131
Selecting Extended Settings - Windows	133
Extended Settings - Windows	134
Printing Your Document - Windows	135
Locking Printer Settings - Windows	136
Locked Setting Options	138
Selecting Default Print Settings - Windows	139
Changing the Language of the Printer Software Screens	140
Changing Automatic Update Options	141
Printing with the Built-in Epson Driver - Windows 10 S	142
Selecting Print Settings - Windows 10 S	143
Printing on a Mac	146
Selecting Basic Print Settings - Mac	147
Paper Source Options - Mac	151
Print Quality Options - Mac	151
Print Options - Mac	152
Selecting Page Setup Settings - Mac	152
Selecting Print Layout Options - Mac	153
Selecting Double-sided Printing Settings - Mac	154
Double-sided Printing Options and Adjustments - Mac	155
Managing Color - Mac	156
Color Matching and Color Options - Mac	157
Selecting Printing Preferences - Mac	158
Printing Preferences - Mac	158
Printing Your Document or Photo - Mac	159
Checking Print Status - Mac	160
Printing from a Smart Device	161
Cancelling Printing Using the Product	162
Scanning	163
Starting a Scan	163
Starting a Scan Using the Product Control Panel	163
Scanning to a Connected Computer	165
Scanning to Email	166
Setting Up a WSD Port (Windows 7/Windows Vista)	168
Scanning to the Cloud	169
Scanning to a Memory Device	171
Control Panel Scanning Options	172
Setting Up and Scanning to a Network Folder or FTP Server	175
Creating a Shared Network Folder	175
Registering Contacts for Email, Network, or FTP Scanning - Control Panel	177
Registering Contacts for Network Folder or FTP Scanning - Web Config	179
Scanning to a Network Folder or FTP Server	180
Starting a Scan Using the Epson Scan 2 Icon	182
Starting a Scan from a Scanning Program	184
Starting a Scan from a Smart Device	186
Scanning a Document in Epson ScanSmart	186
Saving a Scan	189
Attaching a Scan to Email	190
Sending a Scan to a Cloud Service	191
Printing a Scan	192
Selecting Epson ScanSmart Settings	193
Changing the Epson Product	194
Changing the Scan Settings	195
Changing the File Name Settings	196
Changing the Save Settings	198
Save Settings	200
Customizing Action Icons	201
Scanning in Epson Scan 2	203
Additional Scanning Settings - Main Settings Tab	206
Additional Scanning Settings - Advanced Settings Tab	207
Saving Scanned Documents as a Searchable PDF Using Epson Scan 2	208
Image Format Options	209
Scan Resolution Guidelines	210
Faxing	212
Connecting a Telephone or Answering Machine	212
Setting Up Fax Features	215
Setting Up Basic Fax Features	216
Using the Fax Setup Wizard	216
Selecting the Line Type	218
Setting the Number of Rings to Answer	219
Selecting Advanced Fax Settings	220
Basic Settings - Fax	221
Send Settings - Fax	223
Receive Settings - Fax	224
Report Settings - Fax	226
Security Settings - Fax	226
Setting Up the Fax Utility - Windows	227
Setting Up Fax Features Using the Fax Utility - Mac	229
Setting Up Contacts and Contact Groups	230
Setting Up Contacts Using the Product Control Panel	231
Creating a Contact	231
Editing or Deleting a Contact	233
Creating a Contact Group	235
Editing or Deleting a Contact Group	237
Sending Faxes	238
Sending Faxes from the Product Control Panel	239
Sending a Fax Using the Keypad, Contact List, or History	239
Fax Sending Options	241
Sending a Fax at a Specified Time	243
Dialing Fax Numbers from a Connected Telephone	245
Sending Faxes Using the Fax Utility - Windows	245
Sending Faxes Using the Fax Utility - Mac	248
Receiving Faxes	251
Fax Reception	251
Receiving Faxes Automatically	252
Receiving Faxes Manually	252
Receiving a Fax by Polling	253
Viewing a Fax on the LCD Screen (Using the Inbox)	254
Checking Fax Status	256
Printing Fax Reports	256
Fax Report Options	257
Using External USB Devices with Your Product	259
Connecting a USB Device	259
USB Device Photo File Specifications	260
Disconnecting a USB Device	260
Viewing and Printing from the LCD Screen	261
Printing JPEG Photos	261
Printing TIFF Files	262
Print Setting Options - Device Mode	262
Transferring Files on a USB Device	264
Setting Up File Sharing for File Transfers from Your Computer	264
Transferring Files from a USB Device to Your Computer	265
Replacing Ink Cartridges and Maintenance Boxes	267
Ink Safety Precautions	267
Check Cartridge and Maintenance Box Status	269
Checking Cartridge and Maintenance Box Status on the LCD Screen	269
Checking Cartridge and Maintenance Box Status - Windows	270
Checking Cartridge and Maintenance Box Status - Mac	273
Purchase Epson Ink Cartridges and Maintenance Box	274
Ink Cartridge and Maintenance Box Part Numbers	274
Removing and Installing Ink Cartridges	275
Printing with Black Ink and Expended Color Cartridges	279
Printing with Expended Color Cartridges - Windows	279
Printing with Expended Color Cartridges - Mac	280
Conserving Low Black Ink with Windows	282
Replacing the Maintenance Box	282
Adjusting Print Quality	284
Print Head Maintenance	284
Print Head Nozzle Check	285
Checking the Nozzles Using the Product Control Panel	285
Checking the Nozzles Using a Computer Utility	287
Print Head Cleaning	290
Cleaning the Print Head Using the Product Control Panel	290
Cleaning the Print Head Using a Computer Utility	291
Print Head Alignment	294
Aligning the Print Head Using the Product Control Panel	294
Adjusting the Print Quality Using the Product Control Panel	295
Cleaning the Paper Guide	297
Checking the Number of Sheets	297
Checking the Number of Sheets on the LCD Screen	298
Cleaning and Transporting Your Product	299
Cleaning Your Product	299
Transporting Your Product	302
Solving Problems	306
Viewing the Help Screen	306
Checking for Software Updates	307
Product Status Messages	308
Status Menu Error Codes	312
Running a Product Check	314
Resetting Control Panel Defaults	316
Solving Setup Problems	317
Product Does Not Turn On or Off	317
Noise After Ink Installation	317
Software Installation Problems	318
Solving Network Problems	318
Product Cannot Connect to a Wireless Router or Access Point	319
Network Software Cannot Find Product on a Network	320
Product Does Not Appear in Mac Printer Window	321
Wireless Network Connection is Unstable on a Mac	321
Wired Network Connection Becomes Unstable	322
Cannot Print Over a Network	322
Cannot Scan Over a Network	324
Solving Copying Problems	325
Product Cannot Copy	325
Product Makes Noise, But Nothing Copies	326
Product Makes Noise When It Sits for a While	326
Copies Have Incorrect or Faint Colors	326
Position, Size, or Margins of Copies are Incorrect	327
Solving Paper Problems	327
Paper Feeding Problems	328
Originals Do Not Feed From the Automatic Document Feeder	329
Paper Jam Problems	330
Paper Jam Problems in the Rear Cover	330
Paper Ejection Problems	330
Solving Problems Printing from a Computer	331
Nothing Prints	331
Product Icon Does Not Appear in Windows Taskbar	332
Error After Cartridge Replacement	333
Printing is Slow	333
Solving Page Layout and Content Problems	335
Inverted Image	336
Too Many Copies Print	336
Blank Pages Print	336
Incorrect Margins on Printout	337
Border Appears on Borderless Prints	337
Incorrect Characters Print	338
Incorrect Image Size or Position	339
Slanted Printout	339
Solving Print Quality Problems	340
White or Dark Lines in Printout	340
Blurry or Smeared Printout	341
Faint Printout or Printout Has Gaps	343
Grainy Printout	344
Incorrect Colors	345
Solving Scanning Problems	346
Scanning Software Does Not Operate Correctly	347
Cannot Start Epson Scan 2	347
Scanning Speed is Slow	348
Cannot Save a Scan to a Shared Folder Over a Network	348
Solving Scanned Image Quality Problems	350
Scanned Image Quality Problems	350
Image Consists of a Few Dots Only	352
Line of Dots Appears in All Scanned Images	352
Straight Lines in an Image Appear Crooked	353
Characters are Not Recognized During Conversion to Editable Text (OCR)	353
Scanned Characters are Blurry	353
Image Colors are Patchy at the Edges	354
Ripple Patterns Appear in an Image	354
Streaks Appear in All Scanned Images	354
Scanned Image Edges are Cropped	355
Solving Faxing Problems	355
Cannot Send or Receive Faxes	355
Cannot Receive Faxes with a Telephone Connected to Your Product	358
Fax Memory Full Error Appears	358
Fax Quality is Poor	359
Sent Fax is Received in an Incorrect Size	360
Received Fax is Not Printed	361
Solving USB Device Problems	361
Cannot View or Print from a USB Device	361
Cannot Save Files on a USB Device	362
Cannot Transfer Files To or From a USB Device	362
Uninstall Your Product Software	362
Uninstalling Product Software - Windows	363
Uninstalling Product Software - Mac	364
Where to Get Help	365
Technical Specifications	366
Windows System Requirements	366
Mac System Requirements	367
Paper Specifications	367
Printable Area Specifications	369
Automatic Document Feeder (ADF) Specifications	371
Scanning Specifications	371
Fax Specifications	372
Ink Cartridge Specifications	373
Dimension Specifications	374
Electrical Specifications	375
Environmental Specifications	376
Interface Specifications	376
External USB Device Specifications	376
Network Interface Specifications	377
Safety and Approvals Specifications	379
Notices	381
Important Safety Instructions	381
General Product Safety Instructions	381
Wireless Connection Safety Instructions	383
LCD Screen Safety Instructions	384
Telephone Equipment Safety Instructions	384
Important Privacy Notice (Printer Serial Number)	385
FCC Compliance Statement	385
Binding Arbitration and Class Waiver	388
Trademarks	391
Copyright Notice	391
libTIFF Software Acknowledgment	392
A Note Concerning Responsible Use of Copyrighted Materials	393
Default Delay Times for Power Management for Epson Products	393