| 摘要 |
When a print instruction is made by a user who is watching a digital television or the like, a printer (600) makes a send request for print data necessary for printing the first page to an STB (500) (S21) and receives "Sample. bml" from the STB (500). Next, the printer (600) refers to the contents written in "Sample. bml", and specifies image data whose vertical and horizontal sizes are unknown. Next, the printer (600) makes a send request for the vertical and horizontal sizes of an image data whose vertical and horizontal sizes are unknown (such as "B. jpg") to the STB (500) (S31), and receives the vertical and horizontal sizes from the STB (500)(S32). Further, the printer (600) obtains actual image data ("A. jpg" and "B. jpg") from the STB (500) after performing the layout for printing based on the received vertical and horizontal sizes and executes printing page by page. <IMAGE>
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