Epson Powerlite Pro G5550nl Users Guide

Solving Problems161
Where to Get Help
Epson provides these technical support services:
Internet Support
Visit Epson’s support website at www.epson.com/support for 
solutions to common problems. You can download utilities and 
documentation, get FAQs and troubleshooting advice, or e-mail 
Epson with your questions.
Speak to a Support Representative
To use the Epson PrivateLine Support service, call (800) 637-7661 
and enter the PIN on the included Epson PrivateLine Support card. 
This is the fastest way...

162Solving Problems
■Description of the problem
You can obtain the serial number from the projector’s menu system: 
Just press the 
Menu button and highlight the Info menu.
Purchase Supplies and Accessories
You can purchase screens and other accessories from an Epson 
authorized reseller. To find the nearest reseller, call 800-GO-EPSON 
(800-463-7766). Or you can purchase online at www.epsonstore.com
 
(U.S. sales) or www.epson.ca
 (Canadian sales). 

A
163
A
Projector Installation
This appendix provides guidelines on installing the projector in a 
permanent location, such as a theater or conference room.
Installation Guidelines
The projector can be installed for four different viewing setups: front 
projection, ceiling projection, rear projection onto a semi-transparent 
screen, or rear/ceiling projection, as shown: 
To project from overhead, you’ll need the optional ceiling mounting 
hardware (see page 15). You’ll also need to select the appropriate...

164Projector InstallationIf you’re mounting the projector on the ceiling and you place it above 
screen level, you’ll have to tilt the projector down to position the 
image on the screen. This causes the image to lose its square shape. 
You can correct the image using the projector’s 
Quick Corner and/or 
Keystone functions, as described on page 58.
Security Features
The projector includes security features to prevent its theft when 
installed or used in public locations: 
■Security cable attachment. You...

Projector Installation165
■Lens theft deterrent screw. You can lock the lens with the 
supplied screw, so that the lens cannot be removed.
In addition, the projector includes several menu-operated security 
features. See page 121. 
Installing and Removing the Cable 
Cover
Install the rear cable cover to enhance the appearance of the projector 
and prevent any cables from being loosened or removed. To install the 
cover, follow these steps:
1. Insert its tabs into the slots as shown, then push the cover...

166Projector Installation2. Tighten the screws at the bottom of the cover.
3. To remove the cover (when connecting or disconnecting cables), 
loosen the screws on the bottom of the cover, pull the bottom of 
the cover away from the projector as shown.
Installing and Removing the Lens
See the following sections for instructions on installing and removing 
the lens.
Installing the Lens
1. Turn off the projector and unplug the power cord. 

Projector Installation167
2. Turn the focus ring clockwise until it stops moving.
3. Make sure the white dot on the lens is facing up. Insert the lens 
straight into the projector, then turn clockwise until you hear it 
click into place.
4. If necessary, attach the lens theft deterrent screw (see page 165).
Removing the Lens
1. Turn off the projector and unplug the power cord.
2. If you’ve attached the lens theft deterrent screw, remove it (see 
page 165).
note
Only install or remove the 
lens when...

168Projector Installation3. Hold down the lens removal button and turn the lens 
counterclockwise until you hear it click.
4. Remove the lens by pulling it straight out. 

B
169
B
Technical Specifications
General
Type of display Epson poly-silicon TFT active matrix
Resolution (native format) PowerLite Pro G5550NL/G5950NL:
1024 × 768 pixels (XGA)
PowerLite Pro G5650WNL:
1280 × 800 pixels (WXGA)
PowerLite Pro G5450WUNL/G5750WUNL:
1920 × 1200 pixels (WUXGA)
Color reproduction 16.8 million colors
Brightness White light output
Color light output
Normal Power 
Consumption 
Mode (ISO 21118 
standard) (lumens)ECO Power 
Consumption 
Mode (lumens)
G5450WUNL 4000 3200...

170Technical Specifications Contrast ratio PowerLite Pro G5450WUNL/G5550NL: 1000:1
PowerLite Pro G5750WUNL: 1500:1
PowerLite Pro G5650WNL/G5950NL: 2000:1
Image size
(includes all lenses) PowerLite Pro G5450WUNL/G5750WUNL (16:10 image): 50 to 
300 inches (127 to 762 centimeters)
PowerLite Pro G5650WNL (16:10 image): 30 to 300 inches (76.2 to 
762 centimeters)
PowerLite Pro G5550NL/G5950NL (4:3 image): 30 to 300 inches 
(76.2 to 762 centimeters)
Projection distance
(includes all lenses) PowerLite Pro...