We have partnered with Oki printer service, support and parts supplier BBCS. You can order all your toner cartridges, drums, etc. directly from BBCS for low prices and quick delivery. Order from BBCS by calling (800) 833-3870 or emailing BBCS at orders@bbcs-inc.com. BBCS also sells Oki printer extended hardware warranties. Even though you may continue to call the manufacturer when placing service calls, you have the option of calling the BBCS Customer Support Center directly at (800) 833-3870 to initiate service calls.