RICOH PFU S7800-BAMY4HR-2 Fuser Assembly. Designed for select Ricoh laser printers, this OEM fuser provides consistent heat and pressure to fix toner onto paper, ensuring sharp, professional-quality prints. Engineered to Ricoh’s exact standards, the S7800-BAMY4HR-2 is easy to install and helps keep your printer operating smoothly, making it ideal for busy offices and high-volume printing environments.