Name: Epson EB-4750W
Brand: Epson
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Troubleshooting

This chapter explains how to identify problems and what to do if a problem is found.

Notations Used in this Guide2
- Table of Contents3
Introduction7
Part Names and Functions8
- Front/Top8
- Rear9
- Interface9
- Base10
- Control Panel11
- Remote Control12
  - Replacing the Remote Control Batteries14
  - Remote Control Operating Range15
Preparing the Projector17
Installing the Projector18
- Installation Requirements18
- Screen Settings19
  - Adjusting the Position of the Image on the Projected Screen20
- Displaying a Test Pattern21
- Adjusting the Position of the Projected Image (Lens Shift)22
- Adjusting the Image Size24
- Correcting the Focus24
- Adjusting the Image Position24
- Adjusting the Horizontal Tilt24
- ID Settings25
- Setting the Time26
Connecting Equipment28
- Connecting a Computer28
- Connecting Image Sources30
- Connecting External Equipment32
- Connecting a LAN Cable33
- Installing the Wireless LAN Unit34
- Attaching the Cable Cover35
  - Attaching35
Basic Usage37
Projecting Images38
- Automatically Detect Input Signals and Change the Projected Image (Source Search)38
- Switching to the Target Image by Remote Control39
- Adjusting the Volume39
Adjusting Projected Images40
- Correcting Distortion in the Projected Image40
- Selecting the Projection Quality (Selecting Color Mode)44
  - Projecting 3D Images(EB-4955WU/EB-4950WU/EB-4855WU/EB-4850WU Only)45
- Changing the Aspect Ratio of the Projected Image45
  - Changing Methods46
- Adjusting the Image48
  - Hue, Saturation, and Brightness Adjustment48
  - Gamma Adjustment49
- Correcting the Color Difference When Projecting from Multiple Projectors50
  - Summary of Correction Procedure50
  - Correcting50
Useful Functions52
Contents53
Projection Functions53
- Projecting Two Images Simultaneously (Split Screen)53
  - Operating Procedures53
  - Restrictions During Split Screen Projection55
- Hiding the Image and Sound Temporarily (A/V Mute)56
- Freezing the Image (Freeze)57
- Enlarging Part of the Image (E-Zoom)57
- Saving a User's Logo58
Memory Function60
- Saving/Loading/Erasing the Memory60
Scheduling Function62
- Saving a Schedule62
  - Setting Methods62
  - Editing a Schedule63
Security Functions65
- Managing Users (Password Protection)65
- Restricting Operation67
  - Control Panel Lock67
  - Remote Control Button Lock68
- Anti-Theft Lock68
  - Installing the Wire Lock69
Configuration Menu70
Using the Configuration Menu71
List of Functions72
- Configuration Menu Table72
  - Network Menu73
- Image Menu74
- Signal Menu75
- Settings Menu77
- Extended Menu78
- Network Menu81
- Info Menu (Display Only)91
- Reset Menu92
Troubleshooting93
Using the Help94
Problem Solving95
- Reading the Indicators95
- When the Indicators Provide no Help99
- Problems Relating to Images100
- Problems When Projection Starts105
  - The Projector Does Not Turn on105
- Other Problems106
  - No Sound Can be Heard or the Sound Is Faint106
  - The Remote Control Does Not Work107
Contents108
- Nothing Appears on the External Monitor108
- I Want to Change the Language for Messages and Menus108
- Email Is Not Received Even if a Problem Occurs in the Projector108
- "The Battery that Saves Your Clock Settings Is Running Low." Is Displayed109
- Cannot Change Settings Using a Web Browser109
About Event ID110
Maintenance111
Cleaning112
- Cleaning the Projector's Surface112
- Cleaning the Lens112
- Cleaning the Air Filter112
Replacing Consumables115
- Replacing the Lamp115
- Replacing the Air Filter118
  - Air Filter Replacement Period118
  - How to Replace the Air Filter118
Notes on Transportation120
- Moving Nearby120
- When Transporting120
  - Preparing Packaging120
  - Notes When Packing and Transporting120
Image Maintenance121
- Panel Alignment121
- Color Uniformity122
Appendix125
Network Functions126
- Using the Quick Wireless Connection USB Key126
Monitoring and Controlling127
- About Easymp Monitor127
  - About Message Broadcasting127
- Changing Settings Using a Web Browser (Web Control)127
  - Projector Setup127
  - Displaying the Web Control Screen127
- Using the Mail Notification Function to Report Problems128
  - Reading Error Notification Mail128
- Management Using SNMP129
- Displaying the Web Remote Screen129
- ESC/VP21 Commands130
  - Command List130
  - Cable Layouts131
- About Pjlink132
- About Crestron Roomview132
  - Operating a Projector from Your Computer133
Optional Accessories and Consumables137
- Optional Accessories137
- Consumables137
Screen Size and Projection Distance138
- Projection Distance (for EB-4955WU/EB-4950WU/EB-4855WU/EB-4850WU)138
- Projection Distance (for EB-4750W)140
- Projection Distance (for EB-4650/EB-4550)142
Supported Monitor Displays144
- Supported Resolutions144
Contents145
- Input Signal from the HDMI Port and Displayport (EB-4955WU/EB-4950WU/ EB-4855WU/EB-4850WU/EB-4750W)145
- Input Signal from the HDMI Port and Displayport (EB-4650/EB-4550)145
Specifications146
- Projector General Specifications146
Appearance150
Glossary151
General Notes153
- Trademarks and Copyrights153
Index154

Epson EB-4750W User Manual

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Brand	Epson
Model	EB-4750W
Category	Projector
Language	English