... problems within this time will be resolved immediately; 4,Every roller is packed in a suitable box, and every 25pcs ... OPC Drum, Drum Unit ,Toner Cartridges, Upper and Lower Roller Fuser Assembly, Maintenance Kit and other copier and printer parts ... Sharp,Toshiba, Konica, Minolta, Panasonic, Xerox, Kyocera, HP Lexmark, Brother, Samsung, etc.6,For more than 10 years prefessional production experience ...