Compatible Toshiba models:TF-521, TF-621, TF-651, TF-651 Turbo, TF-831, TF-851, TF-861Compatible Xerox models:FaxCentre Pro 735WorkCentre Pro: 745, 745DL, 745SX Yields up to 15,000 pages. Kit includes toner and developer. Toshiba Ink, Toner & Ribbons part of a large selection of printer ink and toner. Toshiba PK-04 Fax Drum Process Kit is one of many Ink, Toner & Ribbons available through Office Depot. Made by Toshiba.