This document provides technical instructions for remanufacturing HP 1200/1300 toner cartridges. It consists of 39 steps with accompanying photos detailing the disassembly and reassembly process. The steps include removing components like the drum, doctor blade, mag roller, toner hopper, and seal for cleaning before reinstalling them. Tools and supplies needed are also listed, along with part numbers for replacement components available from Future Graphics. Contact information is provided for technical support.