Although your photocopier might look like a complicated bundle of machinery, you can keep it running trouble-free without the help of costly professionals. No experience is necessary! With this money-saving guide and a few low-cost tools and cleaning supplies, you'll be able to locate and solve most of the problems you'll ever encounter. Step-by-step instructions and dozens of helpful illustrations show you how to troubleshoot and repair the basic components found in virtually all photocopiers, including drums, cartridges, developer mechanisms, fusing mechanisms, cleaning and erasing units, electronic and sensor devices, and paper transport systems.