Patent ID: 11884078
Assignee: BROTHER KOGYO KABUSHIKI KAISHA
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B  G | IPC B  G

Claim 9:
10. A non-transitory computer readable storage medium storing a set of program instructions installed on and executed by a computer, the set of program instructions comprising:
acquiring an index value from a recording device, the recording device including:
a case in which a cartridge accommodating a printing agent is mountable;
a tank configured to accommodate the printing agent supplied from the cartridge; and
a recording portion configured to record an image on a sheet with the printing agent supplied from the tank, the index value being representative of one of a first residual quantity, a second residual quantity, and a third residual quantity, the first residual quantity being a residual quantity of the printing agent remaining in a first cartridge, the second residual quantity being a residual quantity of the printing agent remaining in the tank, the third residual quantity being a residual quantity of the printing agent remaining in the first cartridge and the tank, the first cartridge being currently mounted in the case;

storing the index value in a memory;
determining whether an order condition is satisfied based on the index value stored in the memory; and
transmitting an order command to a relevant device after the order condition is satisfied, the order command instructing to order a second cartridge for replacement with the first cartridge.