Communication error occurred. Do you want

User’s Guide

Problems Solving

Check	Remedy

Communication error occurred. Do you want	A communication error occurred between the computer and the projector, and the connection was
to retry connection?	closed.
	If you click the "Yes" button, a reconnection will be attempted. If the connection attempt is not
	successful, check the network settings at the computer and the EasyMP network settings at the
	projector.
	For details on network settings: sEasyMP Network Setup Guide
	If you click the "No" button, the connection will remain closed and the message window will close.

One of the projectors cannot be connected	The wrong keyword was entered when trying to connect to a projector with a projector keyword.
with the keyword entered.	Check EasyMP standby screen for the correct projector keyword. Terminate the connection,
	reconnect and enter the projector keyword on the displayed keyword input screen.
	s"Connecting the Computer and Projector via the Network" in the EasyMP Network Setup Guide

Failed to obtain network adaptor information.	Check the following:
Check network settings and restart.	•Is a network adapter installed in the computer ?
	•Is the driver for the network adapter installed in the computer ?
	After checking, restart the computer and try to connect.
	If connection is still not possible, check the followings.
	Check the network settings at the computer and the EasyMP network settings at the projector.
	For details on network setting: sEasyMP Network Setup Guide

Some projectors do not support SXGA.	One of the projectors you are connecting to is an EMP-735. Change the screen resolution of the
Reduce resolution and retry.	computer to SXGA (1280 ⋅ 1024) or lower.

There is a projector not responding.	One or more projectors failed to connect when an attempt was made to connect simultaneously to
	multiple projectors. The successfully connected projectors can be used.
	To connect to the projectors that failed to connect, terminate the connection and try again. If
	connection is still not possible, check the network settings at the computer and the EasyMP network
	settings at the projector.
	For details on network settings: sEasyMP Network Setup Guide

Enter the keyword displayed on the projector.	Check the keyword for the projector that is displayed in the EasyMP standby screen, and enter that
	projector's keyword.

EMP-740, EMP-732, EMP-737 specifications

The Epson EMP-737, EMP-732, and EMP-740 are part of Epson's range of high-performance multimedia projectors, designed for both educational and business environments. Each model brings unique features and advanced technologies to deliver stunning visuals and enhance the projection experience.

The EMP-737 is noted for its exceptional brightness, providing a remarkable 3,200 lumens, making it ideal for environments with significant ambient light. This model features 3LCD technology, which ensures vibrant color reproduction and sharp image clarity. With a resolution of XGA (1024 x 768 pixels), the EMP-737 is well-suited for displaying presentations, videos, and images with precision. Its built-in speaker adds convenience for small-scale presentations, eliminating the need for external audio systems. The projector also offers extensive connectivity options, including HDMI, VGA, and USB ports, ensuring compatibility with various devices.

Moving on to the EMP-732, this model is designed to deliver solid performance while being more compact and lightweight. Providing 2,500 lumens of brightness, the EMP-732 is versatile for use in classrooms, meeting rooms, or home theaters. It also utilizes 3LCD technology, ensuring vibrant colors and reduced color breakup. With its native resolution of XGA, the EMP-732 is designed for clear text and vivid visuals, perfect for educational purposes and business presentations. Its ease of use is enhanced by features such as automatic keystone correction, simplifying setup and alignment.

The EMP-740 stands out with its remarkable brightness of 3,600 lumens, making it a powerhouse for large venues. Featuring a WXGA resolution (1280 x 800 pixels), this projector is optimal for users who require high-definition quality for presentations or videos. Its advanced 3LCD technology guarantees excellent color accuracy and consistency, an essential factor in professional environments. The EMP-740 also supports a range of connectivity options, including wireless capabilities, allowing seamless integration with laptops, tablets, and smartphones. Additionally, its long lamp life minimizes maintenance costs, making it a cost-effective solution for organizations looking to maximize projector usage.

In summary, the Epson EMP-737, EMP-732, and EMP-740 each bring unique features that cater to various needs in projection. With their excellent brightness levels, advanced 3LCD technology, and user-friendly interfaces, these projectors are designed to enhance the viewing experience in both educational and business settings, making them reliable tools for effective communication and engagement.

Epson EMP-740, EMP-732, EMP-737 Communication error occurred. Do you want, To retry connection?

Models: EMP-740 EMP-732 EMP-737

Problems Solving

Communication error occurred. Do you want

to retry connection?

One of the projectors cannot be connected

with the keyword entered.

Failed to obtain network adaptor information.

Check network settings and restart.

Some projectors do not support SXGA.

Reduce resolution and retry.

There is a projector not responding.

Enter the keyword displayed on the projector.

EMP-740, EMP-732, EMP-737 specifications