| Rhinotek carries a full range of computer consumables manufacturing and marketing OEM compatible toner and inkjet cartridges, ribbons, and copier and fax supplies. Rhinotek products are 100% guaranteed, and Rhinotek's quality control standards rank among the highest in the industry.Rhinotek (QPB-9900) Black Toner Pitney Bowes Laser cartridge compatible with OEM part number 815-7 for printers Pitney Bowes FAX 2030 / FAX 2050 / FAX 9900 / FAX 9910 / FAX 9920 / FAX 9930.For a complete compatibility list please refer to the original manufacturer's web site. This high-quality replacement cartridge is compatible with the following models: Panasonic KX FP101, Panasonic KX FP121. | 
