| 摘要 |
PROBLEM TO BE SOLVED: To receive print data from a print controller even when a printer is in any state, and to preserve the received data, and to reuse and output the print data to the printer without depending on a computer. SOLUTION: An external printing controller 2 which is allowed to have a plurality of printer information sets printer specifications necessary at that time, and transmits the printer specification information and information indicating that a printer is available to a print controller 1 instead of a printer 3, and receives print data from the print controller 1. Even when power supply is interrupted, the print controller 2 stores the received data in a storage medium 8 for holding stored information, and operates picture processing such as enlargement and reduction corresponding to a sheet size and print density or the like to the stored data, and outputs the data to the printer 3. |
