HP C8057A Compatible Laser Toner Maintenance Kit ( Fusing Assembly / Transfer Roller / Tool To Remove Transfer Roller / Tray 1 Pickup Roller / 3 Feed Rollers / 3 Separation Rollers ) for the HP LaserJet 4100 Laser Toner Printers (200,000 Yield) Our high-quality HEWLETT PACKARD C8057A, C8057-69002, C8057-69001 Compatible Laser Cartridges are fully guaranteed and environmentally friendly - giving you crisper- sharper printouts every time. These are designed for everyday business and home printing.