BenQ MP721c User Manual - Page 52

Notice: Replace lamp now Lamp > 4000 Hours Lamp usage time exceeded Lamp usage time exceeded Replace lamp (refer to User Manual) Then reset the lamp usage timer Total (equivalent) lamp hour has reached 4000 hours. This message will flash in the center of the screen for about 30 seconds together with the Lamp indicator lighting up red for 40 seconds. It is strongly recommended that you replace the lamp at this age. The lamp is a consumable item. With the usage time increase, the lamp brightness diminished gradually. This is normal lamp behaviour. You can replace the lamp whenever you notice that the brightness level has significantly diminished. If the lamp is not replaced beforehand, it must be replaced after 4000 hours usage. If this warning message displays, the projector will shut down in 40 seconds. The lamp MUST be replaced before the projector will operate normally. Replacing the lamp • To reduce the risk of electrical shock, always turn the projector off and disconnect the power cord before changing the lamp. • To reduce the risk of severe burns, allow the projector to cool for at least 45 minutes before replacing the lamp. • To reduce the risk of injuries to fingers and damage to internal components, use caution when removing lamp glass that has shattered into sharp pieces. • To reduce the risk of injuries to fingers and/or compromising image quality by touching the lens, do not touch the empty lamp compartment when the lamp is removed. • This lamp contains mercury. Consult your local hazardous waste regulations to dispose of this lamp in a proper manner. 1. Turn the power off and disconnect the projector from the wall socket. If the lamp is hot, avoid burns by waiting for approximately 45 minutes until the lamp has cooled. 2. Turn the projector over. Then loosen the screws on the lamp cover. 48 Maintenance