The Imaging Drum Kit from Dell™ is specifically designed for use with Dell Laser Printers 1700/1700n. This kit includes an imaging drum and instructions on how to replace it. It applies toner to the page and offers a usable life of up to 30,000 page1impressions. 1Toner yields based on printing pages1 with 5% coverage in accordance with ISO/IEC 19752 testing methodology. Yields vary with usage and environmental conditions.