You never know when your lamp might fail, so it's smart to carry a back-up on business trips or keep a spare one at your presentation facility. This replacement lamp from Epson is a lifesaver if your bulb burns out. This durable lamp will give you hundreds of hours of excellent, crisp, clear brightness. Epson Replacement lamp for EMP-5600; EMP-5700; EMP-7600; EMP-7700