Articles in this category Projector Bulb Needs to be Replaced The Epson Projectors will often give a warning long before an actual replacement is necessary.- If the bulb is malfunctioning, please submit a ticket. If your projector is stating that the bulb needs ... Classroom Lightspeed Microphone/Speaker System not Working If your lightpseed classroom microphone is not outputting sound even though it is charged use the following steps to re-pair the micrphone to the speaker: From a powered-off state, stand close to the... Add Printers To easily add 1 or more Knapp printers to your computer, please download the Printers_Script.zip file attached to this article. Open it and double click on Add_Printers.bat. A window will open and gui...