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Epson WorkForce Pro WF-C5890 Users Guide - Page 398

Solving Scanned Image Quality Problems

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Windows 11: Click , search for Epson Scan 2 Utility and select it. Make sure the correct product is selected. If necessary, select the Other tab and click Reset. 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. • If the user restriction feature (Access Control) is enabled, a user ID and password are required to scan. If you do not know the user ID or password, contact your administrator for assistance. Parent topic: Solving Scanning Problems Related tasks Starting a Scan Using the Epson Scan 2 Icon Checking for Software Updates Solving Scanned Image Quality Problems Check these sections if a scanned image on your computer screen has a quality problem. Note: For solutions when using Document Capture Pro (Windows) or Document Capture (Mac) software, see the Document Capture Pro (Windows) or Document Capture (Mac) help utility. Image Consists of a Few Dots Only Line of Dots Appears in All Scanned Images Straight Lines in an Image Appear Crooked Scanned Image Quality Problems Image Colors are Patchy at the Edges Ripple Patterns Appear in an Image 398

Section	Page
Contents	3
Product Basics	18
Installing or Using Optional Parts	18
Optional Accessories and Replacement Parts	18
Installing the Optional Paper Cassette Units	19
Enabling the Optional Paper Cassettes - Windows	26
Enabling the Optional Paper Cassettes - PostScript Printer Software - Windows	27
Enabling the Optional Paper Cassettes - Mac	30
Enabling the Optional Paper Cassettes - PostScript Printer Software - Mac	31
Product Parts Locations	32
Product Parts - Front	33
Product Parts - Inside	35
Product Parts - Back	37
Using the Control Panel	38
Control Panel Buttons and Lights	38
Status Icon Information	39
Selecting the Date and Time	40
Selecting Your Country or Region	41
Entering Characters on the LCD Screen	42
Using Presets	43
Changing LCD Screen Language	43
Adjusting Control Panel Sounds	44
Adjusting the Screen Brightness	44
Turning Off the Operation Time Out Setting	45
Checking for Software Updates	45
Using Power Saving Settings	46
Changing the Sleep Timer Settings	46
Changing the Power Off Timer Settings	47
Epson Connect Solutions for Smartphones, Tablets, and More	47
Setting Up Epson Connect Services	48
Using Epson Email Print	48
Using Epson Remote Print	49
Using Epson Scan to Cloud	50
Using the Epson Smart Panel Mobile App	50
Using AirPrint	51
Setting Up Printing on a Chromebook	52
Android Printing Using the Epson Print Enabler	52
Using the Mopria Print Service	53
Voice-activated Printing	53
Wi-Fi or Wired Networking	55
Network Security Recommendations	55
Wi-Fi Infrastructure Mode Setup	56
Selecting Wireless Network Settings from the Control Panel	57
Wi-Fi Direct Mode Setup	59
Connecting to a Mobile Device	60
Modifying the Wi-Fi Direct Network Name or Password	61
Wi-Fi Protected Setup (WPS)	62
Using WPS to Connect to a Network	62
Printing a Network Status Sheet	63
Printing a Network Connection Report	64
Network Connection Report Codes and Messages	65
Configuring Email Server Settings	70
Email Server Settings	71
Changing or Updating Network Connections	72
Changing a USB Connection to a Wi-Fi Connection	72
Changing a Wi-Fi Connection to a Wired Network Connection	72
Connecting to a New Wi-Fi Router	73
Disabling Wi-Fi Features	74
Enabling PCL or PostScript Printing	75
Installing the PCL Driver - Windows	75
Installing the PostScript (PS3) Printer Software - Windows	77
Installing the PostScript (PS3) Printer Software - Mac	77
Selecting PDL (Page Description Language) Settings	78
PDL Print Configuration Options	78
Selecting Printer Language and Interface Settings	81
Printing Language and Interface Options	81
Printing a PCL or PS3 (PostScript) Status Sheet	82
Loading Paper	83
Loading Paper in the Paper Cassettes and Rear Paper Tray	83
Paper Loading Capacity	86
Double-sided Printing Capacity	91
Compatible Epson Papers	94
Paper or Media Type Settings - Printing Software	96
Selecting the Paper Settings for Each Source - Control Panel	97
Paper Type Settings - Control Panel	97
Selecting Default Paper Settings - Administrator	98
Selecting the Default Printer Settings	98
Paper Source Settings Options	99
Selecting the Universal Print Settings	100
Universal Print Settings Options	101
Placing Originals on the Product	102
Placing Originals in the Automatic Document Feeder	103
Placing Originals on the Scanner Glass	104
Copying	106
Copying Documents or Photos	106
Copying Options	107
Printing from a Computer	111
Printing with the Standard Epson Printer Software - Windows	111
Selecting Basic Print Settings - Windows	112
Paper Source Options - Windows	115
Print Quality Options - Windows	115
Multi-Page Printing Options - Windows	115
Selecting Double-sided Printing Settings - Windows	116
Double-sided Printing Options - Windows	119
Print Density Adjustments - Windows	119
Selecting Additional Layout and Print Options - Windows	119
Custom Color Correction Options - Windows	122
Image Options and Additional Settings - Windows	123
Header/Footer Settings - Windows	124
Selecting a Printing Preset - Windows	126
Selecting Extended Settings - Windows	127
Extended Settings - Windows	129
Printing Your Document or Photo - Windows	131
Locking Printer Settings - Windows	132
Locked Setting Options	133
Entering a User ID and Password for Printing	135
Selecting Default Print Settings - Windows	136
Changing the Language of the Printer Software Screens	137
Changing Automatic Update Options	138
Printing with the Built-in Epson Driver - Windows 10 S	139
Selecting Print Settings - Windows 10 S	140
Printing with the Epson Standard Printer Software - Mac	143
Selecting Basic Print Settings - Mac	144
Paper Source Options - Mac	147
Print Quality Options - Mac	148
Selecting Page Setup Settings - Mac	148
Selecting Print Layout Options - Mac	149
Selecting Double-sided Printing Settings - Mac	150
Double-sided Printing Options and Adjustments - Mac	152
Selecting Printing Preferences - Mac	152
Printing Preferences - Mac	153
Printing Your Document or Photo - Mac	154
Checking Print Status - Mac	154
Setting Up Printing on a Chromebook	155
Printing from a Smartphone or Tablet	156
Printing with the PCL Printer Software - Windows	156
Synchronizing Printer Settings - PCL Driver - Windows	156
Selecting Basic Print Settings - PCL Driver - Windows	158
Selecting Default Print Settings - PCL Driver - Windows	160
Locking Printer Settings - PCL Driver - Windows	161
PCL Driver Locked Setting Options	163
Printing with the PostScript (PS3) Printer Software - Windows	164
Selecting Print Settings - PostScript Printer Software - Windows	164
Selecting Default Print Settings - PostScript Printer Software - Windows	167
Printing with the PostScript (PS3) Printer Software - Mac	168
Selecting Basic Print Settings - PostScript Printer Software - Mac	169
Cancelling Printing Using a Product Button	173
Scanning	174
Starting a Scan	174
Starting a Scan Using the Product Control Panel	174
Scanning to Email	175
Scanning to a Connected Computer	177
Scanning to a Memory Device	178
Scanning to the Cloud	178
Setting Up a WSD Port (Windows 7/Windows Vista)	179
Control Panel Scanning Options	180
Setting Up and Scanning to a Network Folder or FTP Server	182
Creating a Shared Network Folder	182
Registering Contacts for Network Folder or FTP Scanning - Web Config	184
Registering Contacts for Email, Network, or FTP Scanning - Control Panel	185
Scanning to a Network Folder or FTP Server	186
Starting a Scan Using the Epson Scan 2 Icon	188
Starting a Scan from a Scanning Program	190
Starting a Scan from a Smartphone or Tablet	192
Scanning in Epson Scan 2	192
Additional Scanning Settings - Main Settings Tab	195
Additional Scanning Settings - Advanced Settings Tab	196
Saving Scanned Documents as a Searchable PDF Using Epson Scan 2	197
Image Format Options	199
Scan Resolution Guidelines	199
Scanning with Document Capture Pro or Document Capture	200
Scanning with Simple Scan in Document Capture Pro - Windows	200
Scanning with Job Scan in Document Capture Pro - Windows	202
Adding and Assigning Scan Jobs with Document Capture Pro - Windows	203
Scanning Two Originals onto One Sheet (Stitching Images) - Windows	206
Scanning Multi-Page Originals as Separate Files - Windows	209
Scanning with Document Capture - Mac	212
Adding and Assigning Scan Jobs with Document Capture - Mac	215
Entering a User ID and Password for Scanning	216
Faxing	217
Connecting a Telephone or Answering Machine	217
Setting Up Fax Features	222
Setting Up Basic Fax Features	222
Using the Fax Setup Wizard	222
Selecting the Line Type	224
Setting the Number of Rings to Answer	225
Selecting Advanced Fax Settings	226
Basic Settings - Fax	227
Send Settings - Fax	230
Receive Settings - Fax	230
Report Settings - Fax	233
Security Settings - Fax	234
Setting Up the Fax Utility - Windows	235
Setting Up Fax Features Using the Fax Utility - Mac	237
Setting Up Contacts and Contact Groups	238
Creating a Contact	239
Editing or Deleting a Contact	240
Creating a Contact Group	240
Editing or Deleting a Contact Group	241
Sending Faxes	242
Sending Faxes from the Product Control Panel	242
Sending a Fax Using the Keypad, Contact List, or History	242
Fax Sending Options	244
Sending a Fax at a Specified Time	246
Sending a Fax on Demand	247
Sending a Stored Fax	248
Dialing Fax Numbers from a Connected Telephone	249
Sending Faxes Using the Fax Utility - Windows	250
Sending Faxes Using the Fax Utility - Mac	253
Receiving Faxes	255
Fax Reception	255
Receiving Faxes Automatically	256
Receiving Faxes Manually	256
Forwarding Received Faxes	257
Receiving a Fax by Polling	258
Checking Fax Status	258
Viewing a Fax on the LCD Screen (Using the Fax Box)	259
Printing Fax Reports	259
Fax Report Options	260
Using External USB Devices with Your Product	261
Connecting a USB Device	261
Disconnecting a USB Device	262
Viewing and Printing from the LCD Screen	262
Printing JPEG Photos	262
Print Setting Options - JPEG Mode	263
Printing TIFF and PDF Files	264
Print Setting Options - TIFF Mode	265
Print Setting Options - PDF Mode	266
Transferring Files on a USB Device	267
Setting Up File Sharing for File Transfers from Your Computer	267
Transferring Files from a USB Device to Your Computer	268
Replacing Ink Supply Units (Ink Packs), Maintenance Boxes, and Cassette Rollers	270
Ink Pack Safety Instructions	270
Check Ink and Maintenance Box Status	271
Checking Ink Status on the LCD Screen	272
Checking Ink and Maintenance Box Status - Windows	272
Checking Ink and Maintenance Box Status - Mac	274
Purchase Epson Ink Packs and Maintenance Boxes	275
Ink Supply Unit (Ink Pack) and Maintenance Box Part Numbers	276
Removing and Installing Ink Packs	276
Replacing the Maintenance Box	277
Replacing the Paper Feed Rollers	278
Resetting the Roller Counter on the LCD Screen	279
Printing with Black Ink and Expended Color Ink Packs	279
Printing with Expended Color Ink Packs - Windows	280
Printing with Expended Color Ink Packs - Mac	280
Conserving Low Black Ink with Windows	282
Adjusting Print Quality	284
Print Head Maintenance	284
Print Head Nozzle Check	284
Checking the Nozzles Using the Product Control Panel	284
Checking the Nozzles Using a Computer Utility	286
Print Head Cleaning	288
Cleaning the Print Head Using the Product Control Panel	289
Cleaning the Print Head Using a Computer Utility	290
Print Head Alignment	292
Aligning the Print Head Using the Product Control Panel	293
Adjusting the Print Quality Using the Product Control Panel	293
Cleaning the Paper Guide	294
Cleaning the Translucent Film	295
Checking the Number of Sheets on the LCD Screen	297
Cleaning and Transporting Your Product	299
Cleaning Your Product	299
Cleaning the Scanner Glass	300
Cleaning the Automatic Document Feeder	301
Transporting Your Product	304
Administering Your Product	311
Accessing the Web Config Utility	311
Changing the Administrator Password in Web Config	313
Configuring Product Settings	313
Checking Status Information	314
Managing the Network Connection	315
Network Settings	315
Setting Control Panel Options	320
Sending Email Notifications	320
Adjusting Power Saving Settings	321
Adjusting Control Panel Sounds	321
Importing and Exporting Product Settings	322
Exporting Settings Using Web Config	322
Importing Settings Using Web Config	323
Updating Firmware Using Web Config	323
Synchronizing the Date and Time with a Time Server	323
Clearing the Internal Memory	324
Adjusting the Contact List View Options	324
Enabling Periodic Cleaning	325
Powering Off or Rebooting the Product Remotely	325
Restoring Default Product Settings	326
Configuring Security Settings	326
Connecting an Authentication Device	327
Restricting Features Available for Users	328
User Feature Restriction	328
Configuring User Feature Restrictions	329
Disabling the External Interface	330
Setting Up Password Encryption	330
Working with Audit Logs	331
Restricting PDL File Operations	331
Enabling Program Verification on Start Up	331
Restricting Domain Access	331
Using Your Product on a Secure Network	332
Configuring Protocols and Services in Web Config	332
Protocol Settings	333
Configuring SSL/TLS Communication	337
Configuring SSL/TLS Settings	337
Configuring a Server Certificate for the Product	338
Configuring IPsec/IP Filtering	338
About IPsec/IP Filtering	338
Configuring Default IPsec/IP Filtering Policy	339
Configuring Group IPsec/IP Filtering Policies	339
IPsec/IP Filtering Policy Settings	340
IPsec/IP Filtering Configuration Examples	344
Configuring an IPsec/IP Filtering Certificate	345
Connecting the Product to an IEEE 802.1X Network	346
Configuring an IEEE 802.1X Network	346
IEEE 802.1X Network Settings	347
Configuring a Certificate for an IEEE 802.1X Network	347
IEEE 802.1X Network Status	348
Using a Digital Certificate	348
About Digital Certification	349
Obtaining and Importing a CA-signed Certificate	349
CSR Setup Settings	350
CSR Import Settings	351
Deleting a CA-signed Certificate	352
Updating a Self-signed Certificate	352
Importing a CA Certificate	353
Deleting a CA Certificate	353
Setting Up Universal Print (Microsoft)	354
Using Epson Device Admin Configuration Software	354
Solving Problems	355
Viewing the Help Screen	355
Product Status Messages	356
Job Status Error Codes	359
Running a Product Check	363
Resetting Control Panel Defaults	364
Solving Setup Problems	365
Product Does Not Turn On or Off	366
Noise After Ink Installation	366
Software Installation Problems	366
Cannot Read the Authentication Card	367
Solving Network Problems	367
Product Cannot Connect to a Wireless Router or Access Point	368
Network Software Cannot Find Product on a Network	369
Wireless Network Connection is Unstable on a Mac	370
USB 3.0 Connection is Unstable When Using a USB 2.0 Cable	370
Product Does Not Appear in Mac Printer Window	371
Cannot Print Over a Network	371
Cannot Scan Over a Network	373
Solving Network Security Problems	374
Cannot Create the Secure IPP Printing Port	374
Cannot Update a Certificate or Create a CSR	374
Cannot Import a Digital Certificate	375
Deleted a CA-signed Certificate	375
Digital Certificate Warning Messages	375
Solving Copying Problems	377
Product Makes Noise, But Nothing Copies	377
Product Makes Noise When It Sits for a While	378
Solving Copy Quality Problems	378
Copies Have Incorrect or Faint Colors	378
Position, Size, or Margins of Copies are Incorrect	379
Solving Paper Problems	379
Paper Feeding Problems	380
Originals Do Not Feed From the Automatic Document Feeder	381
Paper Jams Inside the Product	382
Paper Ejection Problems	382
Solving Problems Printing from a Computer	382
Nothing Prints	383
Product Icon Does Not Appear in Windows Taskbar	384
Printing is Slow	385
Solving Page Layout and Content Problems	387
Inverted Image	387
Too Many Copies Print	388
Blank Pages Print	388
Incorrect Margins on Printout	388
Incorrect Characters Print	389
Incorrect Image Size or Position	390
Slanted Printout	390
Solving Print Quality Problems	391
White or Dark Lines in Printout	392
Blurry or Smeared Printout	392
Faint Printout or Printout Has Gaps	394
Grainy Printout	395
Incorrect Colors	396
Solving Scanning Problems	397
Scanning Software Does Not Operate Correctly	397
Cannot Start Epson Scan 2	397
Solving Scanned Image Quality Problems	398
Image Consists of a Few Dots Only	399
Line of Dots Appears in All Scanned Images	399
Straight Lines in an Image Appear Crooked	400
Scanned Image Quality Problems	400
Image Colors are Patchy at the Edges	402
Ripple Patterns Appear in an Image	402
Scanned Image Edges are Cropped	402
Solving Faxing Problems	402
Cannot Send or Receive Faxes	403
Cannot Receive Faxes with a Telephone Connected to Your Product	405
Fax Memory Full Error Appears	406
Fax Quality is Poor	407
Sent Fax is Received in an Incorrect Size	408
Received Fax is Not Printed	408
Solving USB Device Problems	408
Cannot View or Print from a USB Device	409
Cannot Save Files on a USB Device	409
Cannot Transfer Files To or From a USB Device	410
Uninstall Your Product Software	410
Uninstalling Product Software - Windows	411
Uninstalling Product Software - Mac	412
Where to Get Help (U.S. and Canada)	412
Technical Specifications	414
Windows System Requirements	414
Mac System Requirements	415
Paper Specifications	416
Printable Area Specifications	417
Automatic Document Feeder (ADF) Specifications	418
Scanning Specifications	419
Fax Specifications	420
Ink Pack Specifications	421
Dimension Specifications	422
Electrical Specifications	423
Environmental Specifications	423
Interface Specifications	424
External USB Device Specifications	424
Network Interface Specifications	425
Safety and Approvals Specifications	428
Notices	429
Important Safety Instructions	429
General Printer Safety Instructions	429
Wireless Connection Safety Instructions	431
Telephone Equipment Safety Instructions	431
LCD Screen Safety Instructions	432
FCC Compliance Statement	432
Binding Arbitration and Class Waiver	433
Trademarks	436
Copyright Notice	437
libTIFF Software Acknowledgment	437
A Note Concerning Responsible Use of Copyrighted Materials	438
Default Delay Times for Power Management for Epson Products	438