Dell 0KR039 is a 256MB memory module designed for Dell 2145cn and 2335dn multifunction printers. This memory upgrade expands printer RAM to improve processing speed for complex print jobs, larger file handling, and faster document processing. The module is compatible with Dell's B/W laser multifunction systems and installs directly into the dedicated memory slot. Typical applications include high-volume office environments requiring improved performance during simultaneous printing, scanning, and copying operations. The refurbished unit has been tested and is guaranteed to meet Dell specifications; available via quote.