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Epson ET-4550 User Manual - Page 200

Adjusting Print Quality, Print Head Maintenance, Print Head Nozzle Check - power ink flush

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Adjusting Print Quality If your print quality declines, you may need to run a utility to clean or align the print head. If running these utilities does not solve the problem, you may need to flush the ink tubes. Print Head Maintenance Print Head Alignment Cleaning the Paper Path Checking the Number of Sheets Print Head Maintenance If your printouts become too light, or you see dark or light bands across them, you may need to clean the print head nozzles. Cleaning uses ink, so clean the nozzles only if print quality declines. You can check for clogged nozzles before you clean them so you don't clean them unnecessarily. Note: You may not be able to clean the print head when the ink level in any of the tanks is low. You may have to refill the ink tank first. Print Head Nozzle Check Print Head Cleaning Power Ink Flushing Parent topic: Adjusting Print Quality Related topics Refilling Ink Print Head Nozzle Check You can print a nozzle check pattern to check for clogged nozzles. Checking the Nozzles Using the Product Control Panel Checking the Nozzles Using a Computer Utility Parent topic: Print Head Maintenance Checking the Nozzles Using the Product Control Panel You can check the print head nozzles using the control panel on your product. 1. Load a few sheets of plain paper in the product. 200

Section	Page
Contents	3
Your Ink Tank System	14
Product Basics	15
Using the Control Panel	15
Control Panel Buttons and Lights	15
Status Icons	16
Entering Characters on the LCD Screen	17
Changing LCD Screen Language	17
Turning Off Control Panel Sounds	18
Adjusting the Screen Contrast	18
Product Parts Locations	19
Product Parts - Top and Front	20
Product Parts - Inside	23
Product Parts - Back	24
Using Eco Mode and Other Power Saving Settings	24
Changing the Eco Settings	25
Changing the Sleep Timer Settings	25
Changing the Power Off Timer Settings	26
Epson Connect Solutions for Smartphones, Tablets, and More	27
Using Epson Email Print	27
Using the Epson iPrint Mobile App	28
Using Epson Remote Print	28
Using Epson Scan to Cloud	29
Using AirPrint	29
Using Google Cloud Print	30
Setting Up Google Cloud Print on a Chromebook	31
Wi-Fi or Wired Networking	33
Wi-Fi Infrastructure Mode Setup	33
Selecting Wireless Network Settings From the Control Panel	34
Wi-Fi Direct Mode Setup	36
Enabling Wi-Fi Direct Mode	37
Wi-Fi Protected Setup (WPS)	39
Using WPS to Connect to a Network	39
Printing a Network Status Sheet	40
Changing or Updating Network Connections	41
Accessing the Web Config Utility	41
Changing a USB Connection to a Wi-Fi Connection	41
Changing a Wi-Fi Connection to a Wired Network Connection	42
Connecting to a New Wi-Fi Router	42
Disabling Wi-Fi Features	43
Loading Paper	44
Loading Paper in the Cassette	44
Paper Loading Capacity	49
Available Epson Papers	51
Paper or Media Type Settings - Product Software	51
Selecting the Paper Settings - Control Panel	52
Paper Type Settings - Control Panel	53
Paper Source Settings	53
Selecting Universal Print Settings	53
Universal Print Settings Options	54
Placing Originals on the Product	56
Placing Originals on the Scanner Glass	56
Placing Originals in the Automatic Document Feeder	58
Copying	61
Copying Documents or Photos	61
Paper Size Settings - Copying	62
Copying Options	62
Printing from a Computer	64
Printing with Windows	64
Selecting Basic Print Settings - Windows	64
Print Quality Options - Windows	66
Multi-Page Printing Options - Windows	67
Selecting Double-sided Printing Settings - Windows	67
Double-sided Printing Options - Windows	70
Selecting Additional Layout and Print Options - Windows	71
Custom Color Correction Options - Windows	73
Image Options and Additional Settings - Windows	74
Header/Footer Settings - Windows	75
Selecting a Printing Preset - Windows	76
Selecting Extended Settings - Windows	77
Extended Settings - Windows	78
Printing Your Document or Photo - Windows	79
Checking Print Status - Windows	81
Selecting Default Print Settings - Windows	81
Changing the Language of the Printer Software Screens	82
Changing Automatic Update Options	83
Printing with OS X	84
Selecting Basic Print Settings - OS X	85
Print Quality Options - OS X	89
Print Options - OS X	89
Selecting Page Setup Settings - OS X	89
Selecting Print Layout Options - OS X	90
Selecting Double-sided Printing Settings - OS X	91
Double-sided Printing Options and Adjustments - OS X	92
Sizing Printed Images - OS X	93
Managing Color - OS X	94
Color Matching and Color Options - OS X	95
Selecting Printing Preferences - OS X	95
Printing Preferences - OS X	96
Printing Your Document or Photo - OS X	97
Checking Print Status - OS X	98
Cancelling Printing Using a Product Button	98
Scanning	99
Starting a Scan	99
Starting a Scan Using the Product Control Panel	99
Changing Default Scan Button Settings	100
Starting a Scan Using the Epson Scan Icon	101
Starting a Scan from a Scanning Program	103
Selecting Epson Scan Settings	105
Scan Modes	105
Selecting the Scan Mode	106
Scanning in Office Mode	106
Available Document Source Settings - Office Mode	108
Selecting a Scan Area - Office Mode	109
Available Image Adjustments - Office Mode	111
Scanning in Home Mode	112
Selecting a Scan Area - Home Mode	115
Available Image Adjustments - Home Mode	118
Selecting a Scan Size - Home Mode	119
Scanning in Professional Mode	122
Available Document Source Settings - Professional Mode	125
Available Image Types - Professional Mode	125
Selecting a Scan Area - Professional Mode	125
Available Image Adjustments - Professional Mode	128
Selecting a Scan Size - Professional Mode	130
Image Preview Guidelines	133
Scan Resolution Guidelines	133
Selecting Scan File Settings	135
Available Scanned File Types and Optional Settings	136
Scanning with OS X Using Image Capture	137
Available Scan Settings - OS X Image Capture	139
Scanning Special Projects	139
Scanning to a PDF File	140
Restoring Photo Colors as You Scan	143
Faxing	144
Connecting a Telephone or Answering Machine	144
Setting Up Fax Features	147
Setting Up Fax Features Using the Product Control Panel	147
Selecting Your Country or Region	148
Selecting the Date and Time	148
Using the Fax Setting Wizard	150
Selecting the Line Type	152
Setting the Number of Rings to Answer	153
Selecting Advanced Fax Settings	153
Basic Settings - Fax	154
Receive Settings - Fax	155
Output Settings - Fax	156
Security Settings - Fax	157
Printing Fax Reports	157
Fax Report Options	158
Setting Up Fax Features Using the Fax Utility - Windows	158
Setting Up Fax Features Using the Fax Utility - OS X	160
Setting Up Contacts and Contact Groups	161
Setting Up Contacts Using the Product Control Panel	162
Creating a Contact	162
Editing or Deleting a Contact	164
Creating a Contact Group	165
Editing or Deleting a Group	167
Setting Up Speed/Group Dial Lists Using the Fax Utility - Windows	169
Setting Up Speed/Group Dial Lists Using the Fax Utility - OS X	172
Sending Faxes	174
Sending Faxes from the Product Control Panel	174
Faxing from the Control Panel	174
Fax Send Settings	175
Dialing Fax Numbers from a Connected Telephone	177
Sending a Fax at a Specified Time	178
Sending Faxes Using the Fax Utility - Windows	179
Sending Faxes Using the Fax Utility - OS X	182
Receiving Faxes	185
Fax Reception	185
Receiving Faxes Automatically	186
Receiving Faxes Manually	186
Receiving a Fax by Polling	187
Refilling Ink	188
Ink Safety Precautions	188
Check Ink Levels	189
Checking Ink Levels	190
Checking Ink Levels with Windows	190
Checking Ink Levels with OS X	192
Disabling Special Offers with Windows	193
Purchase Epson Ink	194
Ink Bottle Part Numbers	194
Refilling the Ink Tanks	194
Adjusting Print Quality	200
Print Head Maintenance	200
Print Head Nozzle Check	200
Checking the Nozzles Using the Product Control Panel	200
Checking the Nozzles Using a Computer Utility	202
Print Head Cleaning	204
Cleaning the Print Head Using the Product Control Panel	205
Cleaning the Print Head Using a Computer Utility	206
Power Ink Flushing	209
Flushing the Ink Using a Computer Utility	209
Print Head Alignment	210
Aligning the Print Head Using the Product Control Panel	211
Aligning the Print Head Using a Computer Utility	212
Cleaning the Paper Path	214
Checking the Number of Sheets	215
Checking the Sheet Counter - Windows	215
Checking the Sheet Counter - OS X	216
Cleaning and Transporting Your Product	218
Cleaning Your Product	218
Transporting Your Product	220
Solving Problems	224
Checking for Software Updates	224
Product Status Messages	225
Running a Product Check	226
Resetting Control Panel Defaults	227
Solving Setup Problems	228
Noise After Filling the Ink	228
Software Installation Problems	229
Control Panel Setup Problems	229
USB Connection Problems	229
Solving Network Problems	230
Product Cannot Connect to a Wireless Router or Access Point	230
Cannot Print Over a Network	231
Network Software Cannot Find Product on a Network	232
Product Does Not Appear in OS X Printer Window	233
Cannot Print Over a Network	234
Cannot Scan Over a Network	235
Solving Copying Problems	236
Product Makes Noise, But Nothing Copies	236
Product Makes Noise When It Sits for a While	236
Solving Paper Problems	236
Paper Feeding Problems	237
Paper Jam Problems Inside the Product	237
Paper Jam Problems in the Paper Cassette	239
Paper Jam Problems in the Duplexer (Rear Cover)	241
Document Jams in the Automatic Document Feeder	243
Paper Ejection Problems	247
Solving Problems Printing from a Computer	247
Nothing Prints	248
Product Icon Does Not Appear in Windows Taskbar	248
Printing is Slow	249
Solving Page Layout and Content Problems	250
Inverted Image	251
Too Many Copies Print	251
Blank Pages Print	251
Incorrect Margins on Printout	252
Incorrect Characters Print	252
Incorrect Image Size or Position	253
Slanted Printout	253
Solving Print Quality Problems	254
White or Dark Lines in Printout	254
Blurry or Smeared Printout	255
Faint Printout or Printout Has Gaps	257
Grainy Printout	257
Incorrect Colors	258
Solving Scanning Problems	259
Scanning Software Does Not Operate Correctly	260
Cannot Start Epson Scan	260
Solving Scanned Image Quality Problems	261
Image Consists of a Few Dots Only	262
Line of Dots Appears in All Scanned Images	262
Straight Lines in an Image Appear Crooked	262
Image is Distorted or Blurry	263
Image Colors are Patchy at the Edges	263
Image is Too Dark	263
Back of Original Image Appears in Scanned Image	264
Ripple Patterns Appear in an Image	264
Image is Scanned Upside-Down	264
Scanned Image Colors Do Not Match Original Colors	264
Scan Area is Not Adjustable in Thumbnail Preview	265
Scanned Image Edges are Cropped	265
Solving Faxing Problems	265
Cannot Send or Receive Faxes	266
Cannot Receive Faxes with a Telephone Connected to Your Product	267
Message Appears Prompting You to Reset Ink Levels	268
Uninstall Your Product Software	268
Uninstalling Product Software - Windows	268
Uninstalling Product Software - OS X	269
Where to Get Help	270
Technical Specifications	272
Windows System Requirements	272
OS X System Requirements	273
Scanning Specifications	273
Paper Specifications	274
Printable Area Specifications	275
Ink Specifications	276
Fax Specifications	277
Dimension Specifications	278
Electrical Specifications	278
Environmental Specifications	278
Interface Specifications	279
Network Interface Specifications	279
Safety and Approvals Specifications	280
Notices	281
Important Safety Instructions	281
General Product Safety Instructions	281
Wireless Connection Safety Instructions	283
Telephone Equipment Safety Instructions	283
LCD Screen Safety Instructions	283
FCC Compliance Statement	284
Trademarks	286
Copyright Notice	287
A Note Concerning Responsible Use of Copyrighted Materials	287
Default Delay Times for Power Management for Epson Products	288

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Adjusting Print Quality

If your print quality declines, you may need to run a utility to clean or align the print head.

If running these utilities does not solve the problem, you may need to flush the ink tubes.

Print Head Maintenance

Print Head Alignment

Cleaning the Paper Path

Checking the Number of Sheets

Print Head Maintenance

If your printouts become too light, or you see dark or light bands across them, you may need to clean the

print head nozzles. Cleaning uses ink, so clean the nozzles only if print quality declines.

You can check for clogged nozzles before you clean them so you don’t clean them unnecessarily.

Note:

You may not be able to clean the print head when the ink level in any of the tanks is low. You may