| 摘要 |
The invention provides for printing apparatus comprising printing means and a host processor (28) for delivering print data and command data via a common interface (30) to the said printing means, and characterized in that the host processor is arranged to deliver said print data with a first characteristic and said command data with a second characteristic, and that the printing means comprises a printing device (34) for receiving the said print data and a control device (40) for receiving the said command data, the apparatus further including detecting means (42) for detecting the said characteristic of the data appearing at the common interface (30), and switch means (48) responsive to the detecting means detecting the said first characteristic for switching data from said common interface (30) to the said printing device (34) so that the full potential of the printing device (34) can be realized. |
