Epson EMP-7900 manuals
Computer Equipment > Projector
When we buy new device such as Epson EMP-7900 we often through away most of the documentation but the warranty.
Very often issues with Epson EMP-7900 begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
Even oftener it is hard to remember what does each function in Projector Epson EMP-7900 is responsible for and what options to choose for expected result.
Fortunately you can find all manuals for Projector on our side using links below.
165 pages 8.91 Mb
2 Features of the Projector4 Contents5 ContentsAdvanced Operations Troubleshooting Appendices 6 Before Using the Projector35 Basic Operations63 Advanced Operations114 Troubleshooting115 Using the Help116 Using the HelpRepeat steps 2 and 3 to proceed through the menu to more detailed items If the Help function does not provide a solution to the problem, refer to "Problem Solving". p.116 117 Problem SolvingReading the Indicators 120 When the Indicators Provide No Help121 For EMP-7950only122 Problems relating to imagesWas the [Power] button pressed Is the A/V Mute function active Has "No-Signal Msg." been set to "OFF Have the configuration menu settings been made correctly Is the projected image completely black Only when projecting computer images Are the image signal format settings correct from a video source Is "Sleep Mode" set to "ON 123 Does the mode match the frequency andresolution of the image signals Are the cables connected correctly Has the correct video input port been selected Is the power for the computer or video source turned on Are the image signals being output to the projector Only when projecting images from a laptop computer or computer 124 Has the focus been adjusted correctlyIs the lens cover still attached Is the projector at the correct distance Is the keystone adjustment value too large Has condensation formed on the lens Is an extension cable being used Has the correct resolution been selected Have the "Sync.g" and "Trackingg" settings 125 Is the image in real displayIs the aspect ratio setting correct Is the image still being enlarged by the E-Zoomfunction Has the "Position" setting been adjusted correctly Has the computer been set for dual display Has the "Resolution" command been set 126 Do the input signal settings match the signalsfrom the connected device Has the image brightness been adjusted Has the image contrastg been adjusted Has the colour been adjusted correctly Has the Wall Shot function been set to "Wall Shot ON Have the colour intensity and tint been adjusted correctly Only when projecting images from a video source 127 Have the image brightness and luminancebeen adjusted correctly Is the lamp due for replacement Other problems Is the audio source connected correctly Has the volume been adjusted to the minimum setting Is an audio cable still connected to the projector's [Audio Out] port Is the "Computer/DVI Audio Input" setting correct 128 Is the [R/C] switch at the "ON" positionIs the remote control light-emittingarea facing towards the remote control light receiving area when it is operated Is the remote control too far from the Is direct sunlight or strong light from fluorescent lamps shining onto the remote control light-receivingarea Are the batteries dead, or have the batteries been inserted correctly Does the remote control's ID number match the projector's ID number Is the remote control cable still connected to the [Remote] port of either the remote control Is the "Standby Mode" configuration menu set to "Network ON 129 Problems Relating to Networks and EasyMPIs the wireless or wired LAN card inserted For the EMP-7950 Is the network cable connected correctly When using the EMP-7950 when using the EMP-7900 Are the settings for connecting to a network Has "Standby Mode" been set to "Network ON Has a critical problem developed causing the projector to momentarily stop working Is power being supplied to the projector 130 correctHas EMP Monitor function been correctly installed to the computer Have all projectors that are to be monitored and controlled been registered in the projector list 131 Has the person making the presentation leftthe meeting room without closing the Is the access lamp of the wireless LAN card that is inserted into the projector lit green Is the projector displaying the EasyMP configuration menu screen Is the computer ready for LAN card or in-built LAN functionality to be used 132 Is the wireless LAN setting for the computerset to When connected to a wireless LAN in easy connection mode Is the DHCPg function of the wired LAN set to "ON Has the network adapter been selected If making a wireless LAN connection, are there any settings within the power saving features of your computer which disable the wireless LAN Is the computer's radio wave setting for the wireless LAN set to low-intensity Is the LAN card you are using 802.11g or 802.11b compliant Is WEPg encryption set to "ON" at the 133 Is the ESSIDg setting correctHas an identical WEPg key been set Are the connection refusal functions of the access point, such as the MAC address and port restrictions, set correctly Have the IP addressg, subnet maskg and the projector been set correctly Have the same subnet mask been set for the access point and the projector Is there an access point manufactured by BUFFALO operating nearby Are you trying to watch a movie in the Media Player, or preview a screen saver Are you connecting in wireless LAN access point mode or wired LAN connection mode Are you using WEPg encryption, or connecting to multiple projectors 134 Are you using DHCPg when in wireless LANaccess point mode or wired LAN connection mode Was EMP NS Connection started or was the resolution or number of colours changed For Macintosh Are you trying to start Network Screen when PowerPoint is running For Windows Are you using a Mac OS X 10.2.x-based computer Are you using a personal firewall 135 Have you been moving the mouse constantlyAre you trying to use a PowerPoint (.ppt) file created in the PowerPoint 95/97 format When PowerPoint files (.ppt) cannot be pasted into a scenario, or thumbnails cannot be displayed, has the Microsoft Office JPEG converter been installed Failed to connect to a projector Network settings are being made automatically Projector detection error No connectable projector exists, or the projector's power is not turned on 136 Incorrect keyword. Enter the keyworddisplayed on the projector Select a projector from the list The selected projector is in use. Continue to connect Failed to initialize EMP NS Connection Communication error occurred. Do you want 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 SXGAg Reduce resolution and retry 137 There is a projector not respondingEnter the keyword displayed on the projector Cannot find a projector of the specified IP address Image transfer slows if PC resolution is higher than XGAg (1024 ⋅ 768 pxl.) Do you want to than 24 bits. NS Connection converts it to bits. Do you want to continue 138 **.SIT already registered(** is the scenario file name.) Not enough disk space ** contains an invalid path (** is the path name containing the scenario file.) Disk full while accessing file) Cannot open the proposed file Change name or directory 139 The password is incorrectCannot connect to the projector of the IP addressg entered 140 Appendices
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