| 摘要 |
There is provided an option module for a printer, capable of preserving versatility while reducing possibility of ending in an error. An option module for realizing a specific function while being connected to a printer has a unit for inquiring to a printer connected thereto (below, referred to as "the connected printer") regarding a print function usable with the connected printer, and only the print function usable with the connected printer is designated and operated, realizing the specific function.
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