User manual HP EP7120 HOME CINEMA DIGITAL PROJECTOR

[. . . ] HP ep7100 Series Home Cinema Digital Projector User's Guide © Copyright 2004 Hewlett-Packard Development Company, L. P. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. [. . . ] Do not wipe back and forth across the lens. If the cloth is dirty or smears the lens, wash the cloth. If the cloth is still dirty after washing it or the fabric is damaged, replace it. Ä Cleaning requires special consideration: Do not spray any type of fluid or cleaner directly on the lens surface. Do not use fabric softener when washing a cleaning cloth or softener sheets when drying the cloth. Chemicals on the cloth might damage the surface of the lens. Do not store a cleaning cloth in contact with the lens for a long time because doing so contaminates the lens with dye from the cloth. The cloth can be contaminated if left in the open air. User's Guide 43 Maintaining the projector Replacing the lamp module As the projector operates over time, the brightness of the projector lamp gradually decreases and the lamp becomes more susceptible to breakage. You can install a new lamp at any time to bring the projector up to factory-fresh brightness. We recommend replacing the lamp if a warning message is displayed. Å Replacing the lamp module requires special consideration: To reduce the risk of injury, be careful when removing the lamp module as broken glass might be present. For a ceiling installation, wear goggles and gloves when removing the lamp module. If the lamp is broken, contact HP about repairs that might be required due to glass fragments. The lamp contains a small amount of mercury. If the lamp breaks, adequately ventilate the area where the breakage occurred. Disposal of this lamp might be regulated due to environmental considerations. For disposal or recycling information, contact your local authorities or the Electronic Industries Alliance at http://www. eiae. org. Because the lamp assembly operates at a very high temperature, wait 30 minutes before removing the lamp module. 1. Turn off the projector and allow it to cool for 30 minutes. Loosen the 3 screws 1 on the front cover and pull out the front cover until the tab 2 at the right end comes out of the projector 3. Loosen the two screws 4 on the lamp module, and pull out the module 5. 44 User's Guide Maintaining the projector 5. Insert the new lamp module into the projector and tighten the two screws. Insert the tab on the front cover into the slot in the projector and close the cover. If the lamp does not turn on after the warm-up period, try reinstalling the lamp. [. . . ] If this digital projector does cause harmful interference to radio or television reception (which can be determined by unplugging the unit), try the following: Reorienting or relocating the receiving antenna. Relocating the digital projector with respect to the receiver. Connecting the digital projector's power cord to another power outlet. Connections to peripheral devices To maintain compliance with FCC Rules and Regulations, use properly shielded cables with this device. For more information, consult your dealer, an experienced radio/television technician, or, prepared by the Federal Communications Commission, How to Identify and Resolve Radio-TV Interference Problems. [. . . ]