Instruction/ maintenance manual of the product EB-1720 Epson
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1 User’s Guide.
2 Notations Used in This Guide f Safety indications So that you can use the product safely and correctly, symbols ar e applied in the User's Guide and on the product to indicate po ssible harm to the user or to others and the risk of damage to property.
3 Contents Projector Features ............................................................... ....................... 5 Features Co mmon to Ea ch Model ................ ............. ................ ............. ............. 5 EB-1735 W/1725/172 3 Features.
Contents 4 Connecting and Removing USB Devices (EB-1735W/1725/1723 only) ........................... ..........................................94 Connecting USB Devices .... ................ ............. ............. ................ ............. .
5 Projector Features Features Common to Each Model f Compact and lightweight Easy to carry with its compact B5 file size body (202 mm (D) x 284 (W) x 65 mm (H)) and lightwei ght body (1.7 kg ~ 1.8 kg). *EB-1735W/1725/1723:Approx. 1.8kg EB-1730W/1720:Approx.
Projector Features 6 EB-1735W/1725/1723 Features You can make effective use of your network by using the supplied "EPSON Projector Software for Mee ting & Presentation" to perform efficient and varied presentations and meetings.
7 Part Names and Functions Front/Top Name Function A Air exhaust vent Caution Do not place objects th at may become warp ed or otherwise affecte d by heat near the air exhaust vent an d do not put your face o r hands near the air exh aust vent while projection is i n progress.
Part Names and Functions 8 Rear L Control panel s p. 1 1 M Lamp cover Open this cover when replacin g the projector's lamp. s p. 8 0 Name Function Name Function A S-video input port For S-vide o signals from video sources. B Power inlet Connects to the po wer cable.
Part Names and Functions 9 G USB port (Ty pe A) (EB-1735W/1725/ 1723 only) Connects the memory for compatible digital cameras and USBs, and projects image/m ovie files and scenarios with the PC Free of EasyMP. s p. 9 4 H USB port (Type B) Connects the projector to a computer by a USB cable, and the image o n the computer is projected.
Part Names and Functions 10 Base Name Function A Ceiling mount fixing points (3 points) Attach the optional ce iling mount here when suspending the pr ojector from a ceili ng. s p. 7 7 , 85 B Rear foot When setup on a desk, turn to extend and retract to adjust th e horizontal tilt.
Part Names and Functions 11 Control Panel Name Function A Status indicators The color of the indicato rs and whethe r they are flashing or lit indicate the sta tus of the projector.
Part Names and Functions 12 Remote Control Name Function A [ t ] button Turns the projecto r power on or off. s Quic k Start Guide B [Computer] button Changes to images from t he computer input port. s p. 1 6 C [S-Video] button Changes to images from the S-video input port.
Part Names and Functions 13 L [ ] button When a configuration menu or he lp screen is displayed, it selects menu item s and setting values. s p.3 8 , p. 6 3 M [Enter] button When a config uration menu or a help screen is displayed, it accepts and en ters the current selection and moves to the next level.
Useful Functions This chapter explains useful func tions for giving presentat ions and so on, and t he security functions. Changing the Projected Image .......................... 15 • Automatically Detect Inco ming Signals and Change the Projected Image (Source Se arch) .
15 Changing the Projected Image You can change the projected image in the following two ways. • Changing by Source Search The projector automatically det ects signals bei ng input from connected equipment, and the image being input from the equipment is projected.
Changing the Projected Image 16 Changing Directly from the Remote Co ntrol You can change directly to the ta rget image by pressing the following buttons on the remote control. Changes to images from the com puter input port. Changes to images from the S-video input port.
17 Functions for Enhancing Projection Selecting the Projection Quality (Selecting Color Mode) You can easily obtain the optimum image quality simply by selecting the setting that best corresponds to your surroundings when projecting. The brightness of the image varies depending on the mode selected.
Functions for Enhancing Projection 18 Setting the Auto Iris By automatically setting the luminance ac cording to the br ightness of the displayed image, it lets you enjoy deep and rich images. A Press the [Menu] button and select "Image" - "Auto Iris" from the configuration menu.
Functions for Enhancing Projection 19 Freezing the Image (Freeze) When the moving image on the screen is frozen, the image continues to project, so you can project a moving imag e one frame at a time like a still photo.
Functions for Enhancing Projection 20 Changing the Aspect Ratio Change the aspect ratio g when video equipment is connected so that images that have been recorded in digital video or onto DVDs can be viewed in 16:9 wide-screen format . Change the aspect ration when projecting computer images at full size.
Functions for Enhancing Projection 21 f Changing the aspect fo r computer images (For EB-1725/1723/1720) When projecting images input from a computer imag e input port, you can change the aspect as follows.
Functions for Enhancing Projection 22 f Changing the aspect fo r computer images (For EB-1735W/1730W) When projecting images input from a comput er image input port, you can change the aspect as follows. EB-1735W/1730W offer WXGA 1280 x 800 resolution (aspect ratio 16:10).
Functions for Enhancing Projection 23 Through Projects at the resolution of the input im age size to the center of the screen. This is ideal for projecting c lear images. If the image resoluti on exceeds 1280 ^ 800, the edges of the image ar e not projected.
Functions for Enhancing Projection 24 Pointer Function (Pointer) This allows you to move a pointer ic on on the projected image, and helps you draw attention to the area you are talking about. A Display the po inter . Each time you press the button, th e pointer appears or disappears.
Functions for Enhancing Projection 25 Enlarging Part of the Image (E-Zoom) This is useful when you want to expand images to see them in greater detail, such as graphs and tables. A St art E-Zoom. B Move the cross to the ar ea of the image that you want to enlarge.
Functions for Enhancing Projection 26 C Enlarge. Each time the bu tton is pressed, the area is e xpanded. Y ou can expand quickly b y holding the b utton do wn. Y ou can reduce the enlar ged image by pressing the [ x ] button. Press the [Esc] button to cancel.
Functions for Enhancing Projection 27 Using the Remote Contro l to Operate the Mouse Pointer (Wireless Mouse) Connect the USB port of a computer and the USB port (TypeB) on the rear of the projector with a co mmercially available USB cable * .
Functions for Enhancing Projection 28 Once the connection has be en made, the mouse pointer can be operated as follows. Moving the mouse pointer Mouse clicks Drag and drop This is useful for displaying the previous or next slide in a PowerPoint slideshow.
29 Restrictions in the Target Projector when Using Multiple Projectors When an ID is set fo r the projector and the remote control, you can use the remote control to operate only t he projector with a matching ID. This is very useful when managi ng multiple projectors.
Restrictions in the Ta rget Projector when Using Multiple Projectors 30 Setting the Projector ID A During projection, pr ess the [Menu] button on the projector and select "Exte nded" - "Projector ID" from the configuration menu. s "Using the Configuration Menu" p.
31 Correcting Color for Multiple Project ors (Multi-Screen Color Adjustment) When multiple projectors are li ned up and projecting images, you can correct the brightness and color t one of each projector's image with multi-screen color adjust ment so that the colo rs of images from each projector match closely.
Correcting Color for Multiple Project ors (Multi-Screen Color Adjustment) 32 D Correcting "Color Correct . (G/R)" and "Color Correct. (B/Y)".
33 Security Functions The projector has the followin g enhanced security functions. • Password protect You can limit who ca n use the projector. • Control Panel Lock You can prevent people changing the setti ngs on the projector without permission.
Security Functions 34 B T urn on "Power On Protect". (1) Select "Po wer On Protect", and then press the [Enter] b utton. (2) Select "On", and then press the [Enter] b utton. (3) Press the [Esc] b utton. C T urn on "User's Logo Protect ".
Security Functions 35 f Entering the Password When the password entry screen is displayed, enter the password using the numeric buttons on the remote control. While holding down the [Num] button, enter the p assword by pressing the numeric buttons. When you enter the correct password, projection begins.
Security Functions 36 B Select either "Full Lock" or "Partial Lock". C Select "Y es" when the con firmation message is displayed. The control panel buttons are lo cked according to the setting you chose. q Y ou can release the control panel lock by one of the follo wing two methods.
Configuration Menu This chapter explains how to use the configuration menu and its functions. Using the Configuration Menu .......................... 38 List of Functions ................................................. 39 • Image Menu ............
38 Using the Configuration Menu A Selecting from the top menu C Changing the selected item B Selecting from the sub menu Top menu Sub menu (Settings) Guide Select the setting to chang e Using the remo.
39 List of Functions Image Menu Items that can be set vary depending on the image signal currently being projected as shown in the fo llowing screen shots.
List of Functions 40 Reset Y ou can reset all adjustment v alues for the "Image" menu functions to their default se ttings. T o return all menu items to their default settings, see s p.
List of Functions 41 Signal Menu Items that can be set vary depending on the image signal currently being projected as shown in the fo llowing screen shots. Sett ing details are saved for each image signal. You cannot make settings on the "Signal" menu when the sour ce is EasyMP.
List of Functions 42 Reset Y ou can reset all adjustment v alues on the "Signal" me nu to their default settings, except for "Input Signal".
List of Functions 43 Settings Menu EB-1735W/1725/1723 EB-1730W/1720 Sub Menu Function Key s t o n e Y ou can correct ke ystone distortion in the vertical direction s.
List of Functions 44 User Button Y ou can select the item assigned from the conf iguration menu w ith the remote control's [User] b u tton. By pressing the b utton th e assigned menu item selection/adjustment screen is displaye d, allo wing you to make one-touch settings /adjustmen ts.
List of Functions 45 Extended Menu EB-1735W/1725/1723 EB-1730W/1720 Sub Menu Function Displa y Y ou can make settings related to the projector's display .
List of Functions 46 Operation Direct P ower On: Y ou can set wh ether or not (On/Of f) to enable Direct Power On. When it is set to "On" and the projector po wer cable is connected to an el.
List of Functions 47 Network Menu (EB-1735W/1725/1723 only) When "Network Protect" is set to "On" in "Password Protect", a message is displayed and the settings cannot be changed. You can make changes after setting "Network Protect" to "Off".
List of Functions 48 f Notes on operating the network menu Selecting from the top menu and s ub menus, and changing of selected items are the same as operations in the configuration menu. When done, make sure you go to the "Complete menu", and select one of "Yes", "No", or "Cancel".
List of Functions 49 f Basic Menu Sub Menu Function Projector name Displays the projector name used to identif y the projector when connected to a network. When editing, you can enter up to 16 single-byte alphanumeric characters. PJLink P assword Set a password to use when you access the pr ojector using compatible PJLink software.
List of Functions 50 f Wireless LAN menu Sub Menu Function Connection mode Use EMP NS Connection to set the mode, ho w th e computer connect to the projector . Se t to "Quick Connectio n Mode" when y ou want make a quick wireless connection .
List of Functions 51 MA C Address Displays the MA C address. SSID Displa y T o pre vent the SSID from being displayed on th e EasyMP Standby screen, set this to Of f. IP Address Displa y T o prev ent the IP address from being displayed on the EasyMP Standby screen, set this to Of f.
List of Functions 52 f Security menu Type of security When the specific wireless LAN unit is installed and being used in Manual Mode, it is strongly recommended that you set securit y.
List of Functions 53 System Authentication EAP-TLS Electronic certification, CA certif ication EAP-TTLS User ID, Passw ord PEAP/MS-CHAPv2 User ID, Password PEAP/EAP-GTC User ID, Passw ord LEAP User ID, Passw ord EAP-Fast User ID, P assword q • F or setting details, follo w the directions from the network administrator of your network.
List of Functions 54 f When WEP is selected Sub Menu Function WEP encr yption Y ou can set the encryption for WEP encoding. 128 bit: Uses 128 (104) bit encodi ng 64 bit: Uses 64 (40) bit encoding Fo r m a t Y ou can set the input method for the WEP encrypted key .
List of Functions 55 f When WPA-PSK (TKIP) or WPA2-PSK (AES) are selected f When EAP-TLS is selected f When EAP-TTLS/MD5, EAP-TTLS/MS-CHAPv2, PEAP/MS-CHAPv2, PEAP/GTC, LEAP, EAP-Fast /MS-CHAPv2 or EAP.
List of Functions 56 f Wired LAN Menu Sub Menu Function DHCP g Y ou can set whether or not (On/Of f) to use DHCP . If this is set to "On" you ca nnot set any more addresses. IP Address g Y ou can input the IP address assigned to the projector .
List of Functions 57 f Mail menu When this is set, you receive an e-mail notification if a problem or warning occurs in the proj ector. For information on the co ntents of the sent e-mail, s "Reading Problem Mail Notification Function (EB-1735W/1725/1723 only)" p.
List of Functions 58 f Others menu Sub Menu Function SNMP trap IP address g 1/ SNMP trap IP address 2 Y ou can register up to two for the SNMP g trap notif ication destination. Y ou can input a number from 0 to 255 in each field of the address. Ho we ver , the follo wing IP addresses cannot be used.
List of Functions 59 f Reset Menu Resets all of the network settings. Sub Menu Function Reset all network settings. T o reset all of the network settings, select Y es.
List of Functions 60 Info Menu (Display Only) Lets you check the status of the image sign als being projected and the status of the projector. It ems displayed vary depending on the image signal currently being projected as shown in the following screen shots.
List of Functions 61 Reset Menu Sub Menu Function Reset all Y ou can reset all items in all menus to their default settings. The follo wing items are not reset to their de f aults: "Input Signal&.
Troubleshooting This chapter describes how to identify problems and what to do if a problem is found. Using the Help ..................................................... 63 Problem Solving ................................................. 64 • Reading the Indicators.
63 Using the Help If a problem occurs with the projec tor, Help uses on-screen displays to assist you in solving the probl em. You can solve problems by answering the questions. A Press the [Help] button. The help screen is displayed. B Select a menu item.
64 Problem Solving If you are having a problem with the projector, first check th e projector's indicators and refe r to "Reading the Indicators" be low. If the indicators do not show clearly what the problem mi ght be, re fer to "W hen the Indicators Provide No Help".
Problem Solving 65 f [ t ] Power indicator lights red : Lit : Flashing: : Off St atus Cause Remedy or St atus Red Red Red Internal Error Stop using the projector, disconnect the po wer cable from the electrical outlet, and co ntact your local dealer or the nearest address provided in the Su pp ort and Service Guide.
Problem Solving 66 f m o Indicator is lit or flashing orange Red Red Red Auto Iris Error Stop usin g the projector , disconnect the po wer cable from the electrical outlet, and co ntact your local dealer or the nearest address provided in the Su pp ort and Service Guide.
Problem Solving 67 When the Indicators Provide No Help If any of the following problems oc cur and the indicators do not offer a solution, refer to the pages given for each problem.
Problem Solving 68 f Problems relating to images f No images appear f Moving images are not displayed f Projection stops automatically Check Remedy Did you press the [ t ] b utton? Press the [ t ] button to turn the po wer on. Are the indicators switched of f? The po wer cable is not connected correctly or power is not being supplied normally .
Problem Solving 69 f The message "Not supported." i s displayed. f The message "No Signal."is displaye d. f Images are fuzzy or out of focus Check Remedy Is the image signal format setting correct? Change the setting accordi ng to the signal for th e connected equipment.
Problem Solving 70 f Interference or distorti on appear in images f The image is truncated (large) or small, or the aspect is not suitable Has condensatio n formed on the lens? If the projector is sud.
Problem Solving 71 f Image colors are not right f Images appear dark Is the comp uter set for dual display? If dual display is activ ated in the "D isplay Properties" of the computer's control panel, only about half of the image on the computer screen is projected.
Problem Solving 72 f Problems when projection starts f Power does not turn on Check Remedy Did you press the [ t ] b utton? Press the t button to turn the po wer on. Are the indicators switched of f? The power cable is not connected correctly or po wer is not being supplied normally .
Problem Solving 73 f Other problems f No sound can be heard or the sound is faint f The remote control does not work f I want to change the language for message s and menus Check Remedy Is the audio source connected correctly? Disconnect the cable from the au dio input port, and th en reconnect the cable.
Problem Solving 74 f E-mail is not received even i f a problem occurs in the projector (EB-1735W/1725/1723 only) Check Remedy Is "Standby Mode" set to "Netw ork On"? T o use the Mail Notificat ion function when the projector is in standby , set "Netwo rk On" in "Standb y Mode" from the configuration menu.
Appendices This chapter provides informat ion on maintenance procedures to ensure the best leve l of performan ce from the projector for a long time to come. Installation Methods ........................................... 77 Cleaning ................
Reading Problem Mail Notification Function (EB-1735W/1725/1723 only) ................................ 98 ESC/VP21 Commands ........................................ 99 • Command List .......... ....................... ................... ............
77 Installation Methods The projector supports the following four different projection methods. Install according to the conditions of t he installation location. Caution • A special method of in stallation is required when suspending the projector from a ceiling (ceiling mount).
78 Cleaning You should clean the projector if it be comes dirty or if the quality of projected images starts to deteriorate. Cleaning the Projector's Surface Clean the projector's surface by wi ping it gently with a soft cloth.
79 Replacing Consumables This section explains how to replac e the remote cont rol batteries, the lamp, and the air filter. Replacing the Remote Control Batteries If delays in the responsiveness of the remote control occur or if it does not operate after it has been used for so me time, it probably means that the batteries are becoming flat.
Replacing Consumables 80 Replacing the Lamp f Lamp replacement period It is time to replace the lamp when: • The message "Replace the lamp. R eplace the lamp. "is displayed when you start projecting. • The lamp indicato r flashes orange.
Replacing Consumables 81 f How to replace the lamp The lamp can be replaced even when the projector is suspended from a ceiling. A Af ter you turn off the pr ojector's power and the confirmation buzzer beep s twice, disconnect the power cable. B W ait until the lamp has cooled down, then remove the lamp cover .
Replacing Consumables 82 C Loosen the two lamp fixing screws. D T ake out the old lamp by pulling the handle. If the lamp is cracked, replace it with a ne w lamp, or contact your local dealer for further advice. s Epson Pr ojector Contact List E Inst all the new lamp.
Replacing Consumables 83 F Replace the lamp cover . f Resetting the lamp operating time The projector records how long the la mp is turned on and a message and indicator notify you when it is time to replace the lamp. After replacing the lamp, make sure you reset the lamp hours from the configuration menu.
Replacing Consumables 84 Replacing the Air Filter f Air filter replacement period It is time to replace the air filter when: • The air filter has been turned brown.
85 Optional Accessories and Consumables The following optional a ccessories and consumabl es are available. Please purchase these products as and when neede d.
86 Saving a User's Logo You can save the image that is curr ently being projected as a user's logo. A Project the image you want to use as the user's logo, and then pres s the [Menu] button. B Select "Extended" - "User's Logo" from the configuration menu.
Saving a User's Logo 87 D Move the box to select the p art of the image to use as the user's logo. E When "Select this image? " is displayed, select "Y es".
88 Making a WPS (Wi-Fi Protected Setup) Connection wi th a Wireless LAN Access Point (EB-1735W/1725/1723 only) There are two methods for setting WPS. •Push Button Method SSID and security are set automatic ally when the [E nter] button is pressed on the projector's cont rol panel and the dedicated button on the access point equipment .
Making a WPS (Wi-Fi Pr otected Setup) Connection wi th a Wireless LAN Access Point (EB-1735W/1725/1723 only) 89 f Making a Connection Usi ng the Push Button Method A Select "Push Button Method". The Push Button Method screen is displayed. B Press the [Enter] button on the projector's control p anel when prompted by the screen.
Making a WPS (Wi-Fi Pr otected Setup) Connection wi th a Wireless LAN Access Point (EB-1735W/1725/1723 only) 90 E Select "Y es" from "Setup complete". This completes the setup of the connection between the projector and the access point.
Making a WPS (Wi-Fi Pr otected Setup) Connection wi th a Wireless LAN Access Point (EB-1735W/1725/1723 only) 91 B Enter the PIN code displa yed on the "PIN Code Method" screen from the computer to the access point, and then select "St art Setup".
92 Screen Size and Distance To find the appropriate screen size , see the following table to setup the projector. Values are just reference. Projection Distance for EB-1725/1723/1720 Units:cm(in.
Screen Size and Distance 93 Projection Distance for EB-1735W/1730W Units:cm(in.) Units:cm(in.) Units:cm(in.) 4:3 Screen Size Projection dist ance 16:9 Screen size Projection distance 16:10 Screen size.
94 Connecting and Removing USB Devices (EB-1735W/1725/1723 only) USB 2.0/1.1-compatible digital cameras, hard disk drives and USB storage devices can be connected to t he projector. Image files that are stored inside the digital camera and scenarios, images and movies that are stored inside USB stor age devices can be played back by EasyMP PC Free.
95 Connecting with a USB Cable and Projecting (USB Display EB-1735W/1725/1723 only) By using a commercially available USB cable to c onnect th e projector to a Windows computer you can project images from the computer. Th is function is called USB Display.
Connecting with a USB Cable and Projecting (USB Disp lay EB-1735W/172 5/1723 only) 96 f Connecting for the first time When you are using Windows 2000, double-click "My Computer" - "EPSON_PJ_UD" - "EMP_UDSE.EXE", on your computer.
Connecting with a USB Cable and Projecting (USB Disp lay EB-1735W/172 5/1723 only) 97 f From the second time Computer images are projected. It may take a while before computer images are projected.
98 Reading Problem Mail Notification Function (EB-1735W/1725/1723 only) When the Mail Notification functi on is set to " On" and a problem/ warning occurs in the projector, the following e-mail is sent.
99 ESC/VP21 Commands Command List When the power ON command is transmitted to the projector, the power turns on and it enters warm-up mode . When the projector's power has turned on, a colon ":" (3Ah) is returned.
ESC/VP21 Commands 100 USB Connection Setup To control the projector using ESC/VP21 commands via a USB connection, the following preparations must be carried out. A Download the USB driver (USB-COM Driver) from the Ep son Web site to your computer . Go to http://www .
101 Regarding Network Projector (EB-1735W/1725/1723 only) There are two methods connecting the projector to a computer via a network and project images from the computer screen.
102 About PJLink PJLink Class 1 was establis hed by the JBMIA (Japan Business Machine and Information System Indu stries Association) as a standard protocol for controlling network-compat ible projector's as part of their efforts to standardize proj ector control protocols.
103 List of Supported Monitor Displays Supported Monitor Displays for EB-1725/1723/1720 f Computer signals (analog RGB) Units: dots *1 Connection is disabled if the equi pment does not have a VGA output port. *2 Letterbox signal Even when signals other than th ose mentioned abov e are in put, it is likely that the image can be projected.
List of Supporte d Monitor Displays 104 f Component Video Units: dots * Letterbox signal f Composite video/S-video Units: dots * Letterbox signal Signal Refresh rate (Hz) Resolution Aspect mode 4:3 16.
List of Supporte d Monitor Displays 105 Supported Monitor Di splays for EB-1735W/1730W f Computer signals (analog RGB) Units: dots *1 Connection is disabled if the equi pment does not have a VGA output port. *2 Letterbox signal *3 Only compatible when "Wide" is selected as the "Resolution" from the configuration menu.
List of Supporte d Monitor Displays 106 f Component Video Units: dots * Letterbox signal f Composite video/S-video Units: dots * Letterbox signal Signal Refresh rate (Hz) Resolution Aspect mode Normal.
107 Specifications Projector General Specifications Product name EB-1735W EB-1730W EB-1725/1723 EB-1 720 Dimensions 284 (W) ^ 65 (H) ^ 202 (D) mm (not including protruding parts) Pa n e l s i ze 0.
Specifications 108 Product name EB-1735W EB-1730W EB-1725/1723 EB-1 720 Connectors Computer (Component V ideo) input port 1 Mini D-Sub15-pin (female) blue Audio-L/R input port 1 Stereo mini jack V i d.
Specifications 109 Software Requirement The software supplied with the projector or the optional accessories runs on computers that meet the following requirements. EM P NS Connection, EMP SlideMaker2, USB Display, and Quick Wireless C onnection are only supplied with EB-1735W/1725/1723.
Specifications 110 We: Epson America, Inc. Located at: 3840 Kilroy Airport Way MS: 3-13 Long Beach, C A 90806 Tel: 562-290-5254 Declare under so le responsibility that the p roduct identified he rein, complies with 47 CFR Part 2 and 15 of the FCC rule s as a Class B digital device.
111 Appearance Units: mm * Distance from center of lens to suspension bracket fixing point Center of lens.
112 Glossary This section explains easily terms that are used with the projector and difficult terms t hat are not explained in the text of t his guide.
Glossary 113 XGA A type of video signal with a resolution of 1,024 (h orizontal) ^ 768 (v ertical) dots that is used b y IBM PC/A T -compatible computers. Aspect ratio The ratio between an image's length and its height. HDTV images hav e an as pect ratio of 16:9 and appe ar elongated.
114 Index A A/V mute . ................ ............. ................ ............. .. 18 Abs. Color Temp. .............. ............. ............. ........ 3 9 Air exhaust vent ............................. ............. .......... 7 Air filter replacemen t period .
Index 115 Port Number ... ................ ............. ................ ........ 57 Position .......... ................ ............. ............. ........... 41 Power indicat or . ............. ................ ............. ........ 6 4 Power inlet .
116 All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmit ted in any form or by any means, electronic, mechanical, photocopying, r ecording, or otherwise, without the prior written permission of Seiko Epson Corporation.
An important point after buying a device Epson EB-1720 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Epson EB-1720 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Epson EB-1720 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Epson EB-1720 you will learn all the available features of the product, as well as information on its operation. The information that you get Epson EB-1720 will certainly help you make a decision on the purchase.
If you already are a holder of Epson EB-1720, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Epson EB-1720.
However, one of the most important roles played by the user manual is to help in solving problems with Epson EB-1720. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Epson EB-1720 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
