Epson EB‑L255F - Maintaining the Projector

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Maintaining the Projector

Follow the instructions in these sections to maintain your projector.

gg Related Links

• "Projector Maintenance" p.196

• "Cleaning the Lens" p.197

• "Cleaning the Projector Case" p.198

• "Air Filter and Vent Maintenance" p.199

• "Updating the Firmware" p.201

Main Page

Default Chapter2
- Table of Contents2
Notations Used in this Guide7
Using the Manual to Search for Information8
- Searching by Keyword8
- Jumping Directly from Bookmarks8
- Printing Only the Pages You Need8
Getting the Latest Version of the Documents9
Introduction to Your Projector10
Projector Features11
- Long-Life Laser Light Source11
- Quick and Easy Setup11
- Flexible Connectivity11
  - Connect with Computers12
  - Connect with Mobile Devices12
- Projecting for Exhibitions13
Projector Parts and Functions14
- Projector Parts - Front/Top14
- Projector Parts - Rear15
- Projector Parts - Base16
- Projector Parts - Control Panel17
- Projector Parts - Remote Control18
Setting up the Projector20
- Projector Placement21
- Projector Setup and Installation Options22
Projector Placement23
- Projection Distance23
- Projector Connections24
- Connecting to a Computer24
- Connecting to a Computer for HDMI Video and Audio24
- Connecting to a Computer for VGA Video and Audio24
  - Connecting to a Computer for USB Video and Audio25
- Connecting to Video Sources26
  - Connecting to an HDMI Video Source27
  - Connecting to a Composite Video Source27
- Connecting to External USB Devices28
- Connecting to a Document Camera29
- Connecting to External Devices29
Installing Batteries in the Remote Control32
Remote Control Operation33
Opening the Lens Cover34
Using Basic Projector Features35
Turning on the Projector36
- Home Screen37
Turning off the Projector39
Setting the Date and Time40
- Selecting the Language for the Projector Menus42
Selecting the Language for the Projector Menus43
Projection Modes43
- Changing the Projection Mode Using the Remote Control43
- Changing the Projection Mode Using the Menus43
  - Setting the Screen Type45
- Adjusting the Image Position Using Screen Position46
  - Displaying a Test Pattern48
  - Adjusting the Image Height50
Adjusting the Image Height51
Image Shape51
- Auto V-Keystone51
- Correcting the Image Shape with the Horizontal Keystone Slider51
- Correcting the Image Shape with the Keystone Buttons52
- Correcting the Image Shape with Quick Corner53
- Correcting Image Shape with Arc Correction55
- Correcting Image Shape with Point Correction57
Resizing the Image with the Zoom Ring60
Focusing the Image Using the Focus Ring61
Selecting an Image Source62
Image Aspect Ratio64
- Changing the Image Aspect Ratio64
- Available Image Aspect Ratios64
- Projected Image Appearance with each Aspect Mode65
Adjusting Image Quality (Color Mode)69
- Changing the Color Mode69
- Available Color Modes69
- Turning on Automatic Luminance Adjustment69
Adjusting the Image Color71
- Adjusting the Hue, Saturation, and Brightness71
- Adjusting the Gamma72
Adjusting the Image Resolution74
- Adjusting the Brightness76
Adjusting the Brightness77
- Constant Brightness Usage Hours77
- Light Source Operation Time78
- Controlling the Volume with the Volume Buttons79
- Adjusting Projector Features80
Adjusting Projector Features81
Projecting Multiple Images Simultaneously81
- Unsupported Input Source Combinations for Split Screen Projection83
- Split Screen Projection Restrictions83
Projecting a PC Free Presentation84
- Supported PC Free File Types84
- Precautions on PC Free Projection85
- Starting a PC Free Slide Show85
- Starting a PC Free Movie Presentation87
- PC Free Display Options88
Projecting in Content Playback Mode89
- Switching to Content Playback Mode89
- Using Spotlight Mode90
- Projecting Your Playlists91
  - Creating Playlists Using Epson Web Control92
- Adding Effects to Your Projected Image94
- Content Playback Mode Restrictions95
Shutting off the Image and Sound Temporarily96
Stopping Video Action Temporarily97
Zooming In/Zooming out of Images (E-Zoom)98
- Zooming into Images98
- Zooming out of Images98
Saving a User's Logo Image100
- Saving a User Pattern102
Saving Auser Pattern104
Using Multiple Projectors104
- Projector Identification System for Multiple Projector Control104
- Setting the Projector ID105
- Selecting the Projector You Want to Operate105
Projector Security Features117
- Password Security Types117
- Locking the Projector's Buttons119
  - Unlocking the Projector's Buttons120
- Installing a Security Cable120
Using the Projector on a Network122
Wired Network Projection123
- Connecting to a Wired Network123
- Selecting Wired Network Settings123
Wireless Network Projection126
- Safety Instructions for Built-In Wireless LAN Module126
- Connection Methods for Wireless Network Projection126
- Installing the Wireless LAN Module127
- Selecting Wireless Network Settings Manually128
- Selecting Wireless Network Settings in Windows131
- Selecting Wireless Network Settings in Mac131
- Setting up Wireless Network Security for Simple AP Mode131
- Setting up Wireless Network Security for Infrastructure Mode132
- Supported Client and CA Certificates134
- Using a QR Code to Connect a Mobile Device134
- Using a USB Key to Connect a Windows Computer135
- Wireless Network Projection from a Mobile Device (Screen Mirroring)136
- Selecting Screen Mirroring Settings136
- Connecting Using Screen Mirroring with the Miracast Function138
- Connecting Using Screen Mirroring in Windows 10139
- Connecting Using Screen Mirroring in Windows 8.1139
Secure HTTP141
- Importing a Web Server Certificate Using the Menus141
  - Supported Web Server Certificates142
Monitoring and Controlling the Projector143
Epson Projector Management144
Controlling a Networked Projector Using a Web Browser145
- Web Control Options146
Registering Digital Certificates from a Web Browser153
Setting up Projector Network E-Mail Alerts154
- Network Projector E-Mail Alert Messages154
Setting up Monitoring Using SNMP155
Using ESC/VP21 Commands156
- ESC/VP21 Command List156
- Cable Layouts156
Pjlink Support158
Art-Net Channel Definitions159
Crestron Connected Support161
- Setting up Crestron Connected Support161
- Setting Projector Event Schedules162
- Adjusting the Menu Settings165
- Using the Projector's Menus166
- Using the Displayed Keyboard167
- Available Text Using the Displayed Keyboard167
Image Quality Settings - Image Menu168
Input Signal Settings - Signal I/O Menu170
Projector Installation Settings - Installation Menu172
- Projector Installation Settings - Installation Menu173
Projector Display Settings - Display Menu174
- Projector Display Settings - Display Menu175
Projector Feature Settings - Operation Menu176
Projector Administration Settings - Management Menu178
- Event ID Code List179
Projector Network Settings - Network Menu181
- Network Menu - Network Settings Menu181
Multiple Projector Operation Settings - Multi-Projection Menu188
Projector Setup Settings - ECO Menu190
Projector Initial Settings and Reset Options - Initial/All Settings Menu191
Copying Menu Settings between Projectors (Batch Setup)192
- Transferring Settings from a USB Flash Drive192
- Transferring Settings from a Computer193
Air Filter and Vent Maintenance199
- Cleaning the Air Filter and Vents199
- Replacing the Air Filter199
- Air Filter and Vent Maintenance200
Updating the Firmware201
- Updating Firmware Using a USB Storage Device201
- Updating Firmware Using a Computer and USB Cable202
Solving Problems204
Projection Problems205
Projector Indicator Status206
Solving Image or Sound Problems208
- Solutions When no Image Appears208
- Solutions When Image Is Incorrect Using the USB Display Function209
- Solutions When "No Signal" Message Appears209
  - Displaying from a Windows Laptop209
  - Displaying from a Mac Laptop210
- Solutions When "Not Supported" Message Appears210
- Solutions When Only a Partial Image Appears210
- Solutions When the Image Is Not Rectangular211
- Solutions When the Image Contains Noise or Static211
- Solutions When the Image Is Fuzzy or Blurry212
- Solutions When the Image Brightness or Colors Are Incorrect212
- Solutions When an Afterimage Remains on the Projected Image213
- Solutions to Sound Problems213
- Solutions to Microphone Problems213
- Solutions When Image File Names Are Not Displayed Correctly in PC Free213
- Solutions When You Cannot Project Images Using the PC Free Feature214
- Solving Projector or Remote Control Operation Problems215
- Solutions to Projector Power or Shut-Off Problems215
- Solutions to Problems with the Remote Control215
- Solutions to Password Problems216
- Solution When "The Battery that Saves Your Clock Settings Is Running Low" Message Appears216
Solutions to Problems in Content Playback Mode217
Solving Network Problems218
- Solutions When Wireless Authentication Fails218
- Solutions When You Cannot Access the Projector through the Web218
- Solutions When Network Alert E-Mails Are Not Received218
- Solutions When the Image Contains Static During Network Projection219
- Solutions When You Cannot Connect Using Screen Mirroring219
- Solutions When You Cannot Use Two Screen Mirroring Sources219
- Solutions When the Image or Sound Contains Static During Screen Mirroring Connection219
Solutions When HDMI Link Does Not Function221
Appendix222
Optional Accessories and Replacement Parts223
- Screens223
- Cables223
- Mounts223
- External Devices223
- Replacement Parts224
- For Wireless Connection224
- Compatible Accessories from Other Projectors224
Screen Size and Projection Distance225
Supported Monitor Display Resolutions229
- Projector Specifications234
Projector Specifications235
- Connector Specifications235
External Dimensions236
USB Display System Requirements237
- Supported Features for Epson Projector Content Manager238
- List of Safety Symbols and Instructions239
List of Safety Symbols and Instructions241
Laser Safety Information241
- Laser Warning Labels241
Glossary243
Notices245
- FCC Compliance Statement245
- Indication of the Manufacturer and the Importer in Accordance with Requirements of EU Directive246
- Restriction of Use246
- Operating System References246
- Trademarks246
- Copyright Notice247
- Copyright Attribution247

Epson EB‑L255F - Maintaining the Projector

Table of Contents

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