Epson EX7220 Operation Guide

Solving Problems
See the following sections to check for solutions to problems you may have using EasyMP Network
Projection.
Solving Network Connection Problems
Solving Problems During Projection
Error Messages List
Event ID List
Solving Network Connection Problems
Try these solutions depending on your network environment.
Solutions When You Cannot Connect Using Quick Connection Mode
Solutions When You Cannot Connect Using Advanced Connection Mode (Wireless)
Solutions When You Cannot Connect Using Advanced Connection Mode (Wired)
Parent topic: Solving Problems
Solutions When You Cannot Connect Using Quick Connection Mode
When you cannot connect the computer and the projector using Quick Connection Mode, try the
following solutions.
• Check the status of the external devices used for the network connection or the setting environment of
the projector.
• Connect the specified wireless LAN unit to the projector securely.
• Check for any obstacles between the computer and projector, and change their position to improve
communication. Sometimes the indoor environment prevents the projector from being found in a
search.
• Set the radio strength for the network devices to the maximum.
• Check the projector's network settings.
• Set the Connection Mode setting to Quick.
Go to Network > Network Configuration > Wireless LAN > Connection Mode.
• Set an SSID that is different from the SSID for the access point.
Go to Network > Network Configuration > Wireless LAN > SSID.
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Epson EX7220 Specifications

General

Matrix type	3-panel (p-Si TFT active)
Number of colors	1.073 billion colors
Native aspect ratio	16:10
Projection distance	0.9 - 9 m
Projection technology	3LCD
Contrast ratio (typical)	10000:1
Projector native resolution	WXGA (1280x800)
Keystone correction, horizontal	-30 - 30 °
Focus	Manual
Throw ratio	1.3 - 1.56:1
Zoom capability	Yes
Focal length range	16.9 - 20.28 mm
Aperture range (F-F)	1.58 - 1.72
Lamp type	UHE
Lamp power	200 W
Lamps quantity	1 lamp(s)
Light source type	Lamp
Service life of light source	5000 h
Service life of light source (economic mode)	6000 h
Full HD	No
Video processing	10 bit
Analog signal format system	NTSC, NTSC 4.43, PAL, PAL 60, PAL M, PAL N, SECAM
Supported graphics resolutions	640 x 480 (VGA), 1024 x 768 (XGA), 1152 x 864 (XGA+), 1440 x 1050, 1440 x 900 (WXGA+)
USB connector type	USB Type-A, USB Type-B
USB 2.0 ports quantity	2
Noise level	37 dB
Noise level (economic mode)	29 dB
RMS rated power	2 W
Placement	Desktop, Ceiling
Product type	Standard throw projector
Product color	Black
Cable lock slot type	Kensington
Power source	AC
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (standby)	207 W
Power consumption (typical)	283 W
Operating temperature (T-T)	5 - 35 °C
Remote control type	IR

Weight and Dimensions

Depth	228.6 mm
Width	294.64 mm
Height	76.2 mm
Weight	2399.51 g