Toshiba TB-FC30E toner bag (6AG00004479) collects used toner for compatible E-Studio multifunction printers. It is identified as a waste toner container, helping collect toner left over during printing rather than supply fresh toner.
It is listed for the E-Studio 2000 AC, 2050 C and 2050 C SE, 2051 C, 2500 AC, 2550 C and 2550 C SE, and 2551 C. The stated yield is 56,000 pages; the configuration document gives this figure for black-and-white printing at 6% coverage.