US Patent 7978367 Printer control system, printer control method and printer

A print and colorimetry instructing section delivers an exclusive-use start instruction to start exclusive use of the printer prior to delivery of the printing instruction and the colorimetry instruction, the print and colorimetry instructing section delivering an exclusive-use canceling instruction to cancel the exclusive use of the printer at a predetermined time subsequent to delivery of the exclusive-use start instruction. The printer carries out only a process according to the instruction from the print and colorimetry instructing section having delivered the exclusive-use start instruction until accepting a predetermined exclusive-use canceling instruction subsequent to acceptance of the exclusive-use start instruction.