Patent ID: 8705101

Claim:
A printing system comprising a print-data generating device and a printing device, wherein the print-data generating device is connected to the printing device via a first bidirectional transmission path and a second bidirectional transmission path, the second transmission path having a higher transfer speed than that of the first transmission path, the print-data generating device includes a generating unit that generates print data comprising bitmap image data; and a first communication unit that transmits the print data comprising bitmap image data to the printing device via the second transmission path and that transmits and receives control information to and from the printing device via the first transmission path, the printing device includes a printing unit that prints the print data; and a second communication unit that receives the print data comprising bitmap image data from the print-data generating device via the second transmission path and that transmits and receives the control information to and from the print-data generating device via the first transmission path, the first communication unit transmits and receives, to and from the printing device via the second transmission path, specific control information that is included in the control information and that affects transfer of the print data, and the second communication unit transmits and receives the specific control information to and from the print-data generating device via the second transmission path, wherein the first transmission path is a transmission path that is compatible with Ethernet®, and the second transmission path is a transmission path that is compatible with PCI Express.