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Optoma EP721 Support Question

Optoma EP721 Support Question

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Question posted by chrisshaw539 on October 18th, 2014

Optoma Projector Viewing

When I use my projector it has white dots. What could this be caused by and how can I fix it.

Current Answers

Answer #1: Posted by BusterDoogen on October 18th, 2014 4:47 PM
This answer was accepted by the poster of the original question.
BusterDoogen

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Go here for a video on the repair.

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Related Optoma EP721 Manual Pages

User's Manual - Page 1

...are not sure that the ceiling mount be mounted to support the projector. Use the TOGGLER® Alligator® anchor for advice. X Always use caution and care when working with a 5/16" bit for the...CM-E73X Compatible Models: Optoma EP731/732/732H/737/738/739/H30 READ THIS BEFORE YOU START X Maximum weight limit is recommended that your location will hold the projector's weight, contact a ...
User's Manual - Page 2

... appropriate for the type of the joist can cause splitting. 3. Tighten until snug. Attach the required extension shafts, if any , compressing the star washers. 5. Using two wrenches, tighten the two hexagon shafts and extension shafts, if any , using the mount as a template; On the Heavy Duty Projector Mount Assembly (Part No. 1) loosen the ball...
User's Manual - Page 1

...Projector 12 Connect to Computer/Notebook 12 Connect to Video Sources 13 Powering On/Off the Projector 14 Powering On the Projector 14 Powering Off the projector... 15 Warning Indicator 15 Adjusting the Projected Image 16 Adjusting the Projector's Height 16 Adjusting the Projector... Projector Status Indication 44 Remote ...
User's Manual - Page 2

Read these instructions -for safety related markings. 10. Do not use attachments/accessories specified by anyone except properly qualified service personnel. Refer all requirements of the Canadian Interference-Causing Equipment Regulations. Servicing is required when the projector has been damaged in any way, such as they may touch dangerous voltage points or short-out...
User's Manual - Page 3

...precautions and maintenance as recommended in operation. ▀■ Warning- The bright light may cause electric shock. ▀■ Warning- To replace the lamp, follow the procedures listed under...reseller or service center to the end of the lamp itself. Do not use the lens cap when projector is approaching to change the lamp when it shows warning messages. ▀■...
User's Manual - Page 5

... enter the beam. ▀■ Ensure that , when presenters look at the audience, they are located out of the line of light at the projector lamp. this is used in a classroom, adequately supervise students when they do not also have to stare at all times. ▀■ Minimize standing facing into the...
User's Manual - Page 14

... Projector Powering On the Projector 1. Turn on the lamp by pressing "Power" button either on the top of the projector or on the remote control to switch between inputs. The first time you use the projector,...your source (computer, notebook, video player, etc.). The projector will display in approximately 10 seconds. Remove the lens cap.  2. English 14 2 Power 1 Lens Cap...
User's Manual - Page 16

... the display angle. Press the elevator button . 2. To lower the image: 1. Installation Adjusting the Projected Image Adjusting the Projector's Height The projector is equipped with elevator foot for adjusting the image height. Use screw in foot  to lock the elevator feet into position. 3. Raise the image to the desired height angle...
User's Manual - Page 18

... the input source. Menu Press "Menu" to select an input signal. Source Press "Source" to launch the on-screen display (OSD) menu. Four Directional Use to select items or make adjustments Select Keys to the "Power On/Off the Projector" section on the audio and video. To exit OSD, Press "Menu" again.
User's Manual - Page 19

... the input source. The mouse function is enabled using the USB cable to page up. Use this button to page down. Brightness Adjust the brightness of the image. 19 English Page + Use this button to connect your computer and the projector. Adjusts image distortion caused by tilting the projector. (±18 degrees) Volume +/- Keystone +/- L Button Mouse...
User's Manual - Page 20

... English 20 AV Mute Momentarily turns off/on -screen display (OSD) menu. This function is only available when the projector is connected to choose Composite video source. To exit OSD, Press "Menu" again. S-Video Press "S-Video" to pause... to zoom in of an image. User Controls Remote Control Using the Remote Control Menu Press "Menu" to launch the on the audio and video.
User's Manual - Page 21

...be adjusted in the main menu. User Controls On-screen Display Menus The Projector has multilingual On-screen Display menus that allow you to enter sub menu. 3. While making ...a selection on the Remote Control or Projector Keypad. 2 When OSD is displayed, use keys to select the desired item and adjust the settings key. 4. Press "Enter" to...
User's Manual - Page 27

Press "Enter" to select. The projector will not search inputs that are de-selected. 27 English User Controls Image | Advanced Input Source Enable input sources. Press " " into the next menu as below and then use or to finalize the selection.
User's Manual - Page 28

English 28 Part of the projector. User Controls Display Format Use this function to choose your desired aspect ratio.  4:3: This format is for 4x3 input sources not enhanced for Wide screen TV.  16:9 I: This ...
User's Manual - Page 52

... 7E 30 30 31 31 32 20 32 No READ from projector ~XX121 1 7E 30 30 31 32 31 20 31 Input...Projector Return Description ~XX150 1 7E 30 30 31 35 30 20 31 Information OKabbbbcdddde a: 1/0=On/Off bbbb: LampHour c: source 0/1/2/3/4/5/6= None/DVI-D/VGA1/ VGA2/SCART/S-Video/Video dddd: FW version e: Ddisplay mode ~XX151 1 7E 30 30 31 35 31 20 31 Model name OKn n: 0/1/2/3 EP721...
User's Manual - Page 53

... shut down automatically. 53 English Appendices Ceiling Mount Installation 1. Avoid placing the projector near sources of the projector and the ceiling. 2. To prevent damaging your projector, please use a third party ceiling mount kit, please ensure the screws used to attached a mount to use the Optoma's recommended mount package for installation. 2. If you buy the ceiling mount from...
Protocol Function - Page 2

... 7E 30 30 31 31 32 20 32 No READ from projector ~XX121 1 7E 30 30 31 32 31 20 31 Input...Projector Return Description ~XX150 1 7E 30 30 31 35 30 20 31 Information OKabbbbcdddde a: 1/0=On/Off bbbb: LampHour c: source 0/1/2/3/4/5/6= None/DVI-D/VGA1/ VGA2/SCART/S-Video/Video dddd: FW version e: Ddisplay mode ~XX151 1 7E 30 30 31 35 31 20 31 Model name OKn n: 0/1/2/3 EP721...
Datasheet - Page 1

... at 4.4 pounds  Features DLP® technology from Texas Instruments  Wide-range of connectivity options, the EP721 is a lightweight SVGA powerhouse. EP721 Delivering Multi-Faceted Performance The Optoma EP721 is a multi-faceted digital projector that is unparalleled in 11 Languages Aspect Ratio 4:3 Native, 1.78:1, 5:4 and 16:9 Compatible Projection Lens F=2.35~2.47, f=21...
Brochure - Page 1

... Selector Right Mouse Button Re-Sync Volume Zoom In/Out A/V Mute Video Freeze VGA-In S-Video RS-232 Delivering Multi-Faceted Performance The Optoma EP721 is a multi-faceted digital projector that is unparalleled in features and functionality. Featuring 2200 lumens of brightness and a variety of connectivity options including: VGA-In/Out, DVI w/HDCP...
Brochure - Page 2

EP721 | Multimedia Projector Projection Distance/Image Size Projection Distance (Feet) Maximum Diagonal (Inches) Minimum Diagonal (Inches) 6 42.6 41.9 8 61.5 55.8 10 76.9 69.8 12 92.3 83.7 14 108 ...

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