Printing system and method that uses a universal serial bus (USB) high-speed interrupt out pipe to transfer print data from the host computer to the printer

A method for use in a printer for printing documents, the method comprising:

• receiving print data in a printer via a Universal Serial Bus (USB) interface of the printer, the print data being sent to the printer by a device that is external to the printer;
• storing the received print data in a memory device of the printer;
• deciding whether a sufficient amount of print data has been stored in the memory device to commence printing;
• and
• if a decision is made that a sufficient amount of print data has been stored in the memory device to commence printing, reading print data out of the memory device and sending the print data to a print mechanism of the printer.

A computer program for controlling printing of documents by a print mechanism of a printer, the program being embodied on a computer-readable medium, the program comprising:

• instructions for receiving print data in a printer via a Universal Serial Bus (USB) interface of the printer, the print data being sent to the printer by a device that is external to the printer;
• instructions for storing the received print data in a memory device of the printer;
• instructions for deciding whether a sufficient amount of print data has been stored in the memory device to commence printing;
• and
• instructions for reading print data out of the memory device and sending the print data to a print mechanism of the printer if a decision is made that a sufficient amount of print data has been stored in the memory device to commence printing.