Epson EB-421i V11H540040 Leaflet

3LCD projectors offer brighter and more accurate colours as they produce 
different shades and hues by filtering, then mixing beams of the three primary 
colours (red, green and blue).
In a 3LCD projector, white light is first split into the three beams of primary 
colours. Each beam is then filtered through its own LCD that will give each 
individual pixel of the image its exact brightness for each colour. The colour 
beams are then perfectly recombined in a prism before being projected out 
as a complete image.

•  An independent test by projector review media ProjectorCentral.com in 2009 of about 800 projectors found that on average,

3LCD projectors use 25% less power than single-chip projectors.

3LCD projector : RGB are projected at the same time, which makes the single composite image easy on the eyes.

Did you know that the brightness specification (in lumens) for projectors is 
only a measurement of its white light output? 
In fact, many manufacturers artificially boost their projectors’ brightness 
rating by increasing their white light production capability at the expense of 
colour brightness.   

To help buyers make better-educated decisions, colour scientists at the U.S.
government’s National Institute of Standards and Technology (NIST – www.nist.gov)
have developed Colour Light Output (CLO) as a specification to provide 
critical information on a projector’s ability to deliver colour. 
Colour Light Output is critically important because it measures the brightness 
of Red, Green and Blue. In a 3LCD projector, these primary colours create 
white when combined in the right proportions. Beautifully balanced colour is 
possible when Red, Green and Blue combine to produce the exact colours 
required. Colour Light Output provides users with an additional way to 
evaluate a projector and make more discerning buying decisions.

How is Colour Light Output measured?

Brightness (or White Light output) 
measures the total amount of white 
light projected in lumens on a nine 
point grid. It does not measure colour. 

Colour Light output uses 3 sets of a 
nine-point grid to measure the primary
colours - red, green and blue, using
the same approach used to measure 
White Light Output in lumens.

Red

Red

Green

Green

Blue

Blue

Red

Blue

Green

This compares to projectors using single-chip technology that actually project
individual colours sequentially by filtering their single white light beam through 
a colour wheel, and then relying on human colour perception to combine the 
colours in the viewers’ minds.
As a result, 3LCD projectors also offer greater detail, smoother gradations,
no “colour breakup” effect, are easier on viewers’ eyes, and consumer about 
25% less power to achieve the same brightness compared to a single-chip
projector using a lamp of the same wattage.

Brand X 
Low CLO

White Light Output

Colour Light Output

800 Lumens

=/

2200 Lumens

=

2200 Lumens

2200 Lumens

White Light Output

Colour Light Output

3LCD 
Projector
High CLO

Epson’s breakthrough 3LCD technology for brilliant short-throw projection
now comes with fully integrated interactive features. Regardless of space 
constraints, Epson short-throw projectors deliver superb performance and
more engaging discussions with dual simultaneous on-screen pen input
that allows live annotations to be saved to your connected PC or laptop. 

Its advanced short-throw lens with reduced glare
and shadow interference delivers remarkably large 
and clear projection quality in small rooms.

Two unique interactive pens let you easily conduct 
interactive discussions or presentations on almost 
any surface, with or without a PC.

Flexible projection modes for Wall Mount, 
Ceiling Mount and Desktop allow you place 
the projector according to your needs.

Dual Interactive 

Pens

iProjection

16W Speaker

Resizeable

Preview
Window

EB-421i/431i/426Wi/436Wi

Short

Throw

RGB liquid crystal shutter projection system (3LCD)

specifications of Main parts
LCD

   Size

0.55" with MLA (D8)

0.59" with MLA (D8)

Native Resolution

XGA

WXGA

Projection Lens  Type

No Optical Zoom / Focus (Manual)

F-Number

1.80

Focal Length

6.48mm

Zoom Ratio

1 - 1.35 (Digital Zoom)

Throw Ratio

0.55 - 0.74 (Wide - Tele)

0.48 - 0.65 (Wide - Tele)

Lamp

Type

200W UHE (E-TORL)

230W UHE (E-TORL)

200W UHE (E-TORL)

230W UHE (E-TORL)

 

 

 

Life (Normal / Eco)*

1

 5,000 hours / 6,000 hours  4,000 hours / 6,000 hours  5,000 hours / 6,000 hours  4,000 hours / 6,000 hours

screen size (projected Distance)
Zoom: Wide

50" - 108" [0.54m - 1.22m]  

53" - 116" [0.54m - 1.22m]

Zoom: Tele

37" - 80" [0.54m - 1.22m]  

40" - 86" [0.54m - 1.22m]

Standard Size

87" screen 0.97m

93" screen 0.97m

White Light Output (Normal / Eco)

2,500lm / 2,000lm

3,000lm / 2,100lm

2,500lm / 2,000lm

3,000lm / 2,100lm

Colour Light Output

2,500lm

3,000lm

2,500lm

3,000lm

3,000 : 1

Sound Output

16W (Monoaural)

Keystone Correction
Vertical / Horizontal

±7° / ±5°

Connectivity
Analogue Input  D-sub 15pin

2 (Blue)

Component

D-sub 15pin (Blue molding) x 2 (in common with Analog RGB connector)

Composite

RCA x 1 (Yellow)

S-Video

Mini DIN x 1

Digital Input

HDMI

1 (HDCP supported)

Output Terminal  D-sub 15pin

1 (Black)

Audio Input

RCA (Red / White)

1 pair

Stereo Mini-jack

2

Audio Output

Stereo Mini-jack

1

Others

USB Type A

1 (USB Memory / ELPDC06 Document Camera)

USB Type B

1 (USB Display, mouse, K/B, Interactive)

Microphone Input

Stereo mini-jack x 1

Control I/O

RS-232C

D-sub 9pin x 1

Network  

Wired LAN

RJ45 x 1 (10/100 Mbps)

Wireless

Optional (ELPAP07)

Wireless specifications

Supported Speed For Each Mode  IEEE 802.11b: 11 Mbps*

3

IEEE 802.11g: 54 Mbps*

3

IEEE 802.11n: 130 Mbps*

3

Wireless LAN Security

WEP, WPA-PSK(TKIP/AES), WPA2-PSK(TKIP/AES)

5 °C to 35 °C <41°F to 95 °F> (20% - 80% humidity, unfrozen)

operating altitude

0m - 2,286m <0ft - 7,500ft> (over 1,500m / 4,921ft: with high altitude mode)

Direct power on/off

Yes/Yes

start-up period

Less than 7 seconds, Warm-up period: 30 seconds

Cool Down period 

Instant Off

air Filter   

Type 

Electrostatic Filter

Maintenance Cycle

5,000H*

4

Power Supply Voltage  100V - 240V AC ±10%, 50Hz / 60Hz

Lamp On (Normal / Eco)

292W / 246W

327W / 244W

292W / 246W

327W / 244W

Stand By (Network On / Off)

6.8W / 0.39W

7.3W / 0.37W

6.8W / 0.39W

7.3W / 0.37W

Dimensions Excluding Feet (W x h x D)  345mm x 105mm x 300mm
Weight  

3.9kg

4.1kg

3.9kg

4.1kg

Fan noise (normal / Eco)

35dB / 28dB

37dB / 29dB

35dB / 28dB

37dB / 29dB  

 

interactive specification
Basic Specification Technology

Infrared

Input Devices

Digital Pen (Easy Interactive Pen 1 and 2)

Connection to PC

USB, Network

Calibration

Auto / Manual (25points)

Functions

Hover, Right click, Auto Adjust Pen Area

Computer Interactive Driver Installation 

Windows, Linux*

5

: No Installation required.  

Mac OS X: Installation required.

Multi-Pen Support

Yes (with Easy Interactive Tools Ver.2.10). Up to 2 types of pens. (Easy Interactive Pen 1 and 2)

Instant Annotation Multi-Pen Support

Yes. Up to 2 types of pens. (Easy Interactive Pen 1 and 2)

(PC-Less)  

Whiteboard Function  Yes

© 2013 Epson Singapore Pte Ltd. All Rights Reserved.
Reproduction in part or in whole, without the written
permission from Epson, is strictly prohibited. EPSON and
EXCEED YOUR VISION are registered trademarks of
Seiko Epson Corporation. All other products names and
other company names used herein are for identification
purposes only and are the trademarks or registered
trademarks of their respective owners. Epson disclaims 
any and all rights in those marks. Print samples shown
are simulations only. Specifications and product
availability are subject to change without notice and  
may vary between countries. Please check with local
Epson offices for more information. 

supplied accessories
Power Cable: 4.5m
USB Cable: 5m
Remote Control: Compact Type
Battery: Alkaline AA Battery x 2
Interactive Pen x 2 (EB-421i x 1)
Pen Tray (EB-431i/426Wi/436Wi)
Bundled Software: Epson Projector Software (CD-ROM)
Password Protect Sticker
User’s Manual Set: CD-ROM

optional accessories
Spare Lamp: ELPLP61 (EB-431i/436Wi)
ELPLP60 (EB-421i/426Wi)
Air Filter Set: ELPAF36
Wireless LAN Card: ELPAP07
Quick Wireless Connection USB Key: ELPAP09
Soft Carrying Case: ELPKS66
Easy Interactive Pen 1: ELPPN03A
Easy Interactive Pen 2: ELPPN03B
Easy Interactive Pen Extension: ELPPE01
Replacement Pen Tip: ELPPS01
USB Extension Cable: ELPKC31
Short Throw Wall Mount: ELPMB27

EB-421i/EB-431i/EB-426Wi/EB-436Wi

*

1

 Lamp life will vary depending upon mode selected, 

environmental conditions and usage. Lamp brightness 
decreases over time.

*

2

 Colour brightness (colour light output) and white 

brightness (white light output) will vary depending on usage 
conditions. Colour light output measured in accordance 
with IDMS 15:4; white light output measured in accordance
with ISO 21118.

*

3

 Maximum speed and range is achievable when used 

with same enhanced mode technology. Actual data rates,
features and performance may vary depending on your
computer system, the environment and other factors.

*

4

 When used in the general office environment (the amount 

of floating dust: 0.04-0.2 mg/m3). Based on the Epson’s
in-house test results.

*

5

Selected Linux distribution only

Regional Offices:
Ahmedabad - 26407176/77, Chennai - 30277500/11, Cochin - 4012315,  
Coimbatore - 4393379, Indore - 4701830,  Kolkata - 22831590, Mumbai - 
28261515-17, New Delhi - 46585444, Pune - 30286000, Secunderabad - 40359898

Dealer’s Stamp

12th Floor, The Millenia, Tower A, No.1, 
Murphy Road, Ulsoor, Bangalore - 560 008.  
Tel: 080-30515000  Fax: 080-30515005

Epson Helpline:
For product info or service - 1800 425 0011
For service  - 1860 3000 1600 (9AM - 6PM) (Mon - Sat)