| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an electronic device, an electronic device system and an image formation apparatus, which allow a new function to be added afterwards to an initial function operable by using a display screen that the device is equipped with in an initial state and can improve operability of not only the newly added function but also of the initial function. <P>SOLUTION: When a display unit D is attached to an interface 23, a control part 10 causes the display unit D to display a second guide image for guiding an operation relevant to a second function including a function different from a first function and executes the second function depending on an operation instruction accepted by the display unit D. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
