The CF064A (CF064-67902) Laser Printer Maintenance Kit compatible with Laser Printer for the following printers: Laser Printer 600 M601 Laser Printer 600 M602 Laser Printer 600 M603 Laser Printer 600 M601dn Laser Printer 600 M601n Laser Printer 600 M602dn Laser Printer 600 M602n Laser Printer600 M602x Laser Printer 600 M603dn Laser Printer 600 M603n Laser Printer 600 M603xh The kit includes the following parts: RM1-8395 Fuser, Transfer Roller & Tray 1/2/3 Pickup/feed Rollers,Roller Removal Tool,A pair of gloves, These parts are designed to help keep your printer running smoothly and producing high-quality prints. The fuser is the part of the printer that melts the toner and transfers it to the paper. The transfer roller helps to move the paper through the printer and ensure that the toner is evenly distributed. The pickup/feed rollers help to feed the paper into the printer. The CF064A maintenance kit is recommended for replacement every 225,000 pages. However, you may need to replace the parts sooner if you notice that your prints are not as sharp or clear as they used to be. To replace the parts in the CF064A maintenance kit, you will need to follow the instructions in your printer's manual. The process is usually fairly simple, but it is important to follow the instructions carefully to avoid damaging your printer. Here are some of the benefits of using the CF064A maintenance kit: Improved print quality: The new fuser and transfer roller will help to produce sharper, more evenly distributed prints. Longer printer life: Replacing the pickup/feed rollers will help to prevent paper jams and keep your printer running smoothly. Reduced maintenance costs: By replacing the parts in the maintenance kit, you can help to extend the life of your printer and avoid costl