A method of remanufacturing an imaging cartridge comprising a toner hopper having a toner bag and not having a seal port, the method comprising forming a seal port in the toner hopper; disposing a replacement toner container in the toner hopper, the replacement toner container including a removable seal having a seal tail; and inserting a portion of the seal tail through the seal port. A method of remanufacturing an imaging cartridge comprising a toner hopper having a toner bag and not having a seal port, the method comprising providing a replacement toner hopper having a seal port; removing the toner hopper not having the seal port from the imaging cartridge; and attaching the replacement toner hopper having a seal port to the imaging cartridge.