Abstract: In an information processing apparatus, a processor firstly acquires all device port names registered in a memory, and instructs the operating system to register new device information indicating a new device. The processor secondly acquires, in response to determining that the operating system completes registering the new device information, all device port names including the new device port name associated with the new device information from the memory. The processor identifies the new device port name which is included in the secondly acquired device port names but excluded from the firstly acquired device port names by comparing the firstly acquired device port names with the secondly acquired device port names, and registers in the operating system the new device port name and the software to be correlated with each other so that the software can communicate with the new device through the new device port.

Abstract: In an information-processing device a controller executes a storage process to store a command program in a memory. The command program supports the target device and outputs commands to the target device. In a case where the memory does not store the command program, an OS executes a plug and play process for a target device triggered by connection of the target device to the communication interface, and records in the memory unspecified device information indicating that the target device is unknown. In a case where the memory stores the unspecified device information, the OS does not complete a setup process even if the memory stores the command program. The controller executes, after executing the storage process, a deletion process to delete the unspecified device information from the memory so that the OS can complete the setup process.

Abstract: In an information processing apparatus, a memory stores in advance a plurality of sets of setting data for printing. Each set of setting data is in association with a setting mode. The setting process in a first setting mode sets a set of setting data for a specific print whereas the setting process in a second setting mode sets a set of setting data used generally for printing. The control device executes the setting process in a current setting mode, and acquires from the printer a sheet size currently set in the printer. The control device extracts from the memory a set of setting data having a sheet size matching the acquired sheet size, and notifying information concerning a sheet size in a case where setting mode in association with the extracted set of setting data indicates a setting mode different from the current setting mode.

Abstract: In an information processing apparatus, a memory stores a plurality of sets of setting data for printing. Each setting data is in association with one of setting modes for a setting process. The setting process sets a set of setting data for printing. The setting process in a first setting mode sets setting data for a specific print whereas the setting process in a second setting mode sets setting data used generally for printing. The control device executes the setting process in a current setting mode, and acquires from the printer a sheet size. The control device extracts setting data having sheet size data indicating a sheet size matching the acquired sheet size. When the current setting mode is different from a setting mode in association with the extracted setting data, the control device switches the current setting mode to the setting mode in association with the extracted setting data.

Abstract: In an information processing apparatus, a processor firstly acquires all device port names registered in a memory, and instructs the operating system to register new device information indicating a new device. The processor secondly acquires, in response to determining that the operating system completes registering the new device information, all device port names including the new device port name associated with the new device information from the memory. The processor identifies the new device port name which is included in the secondly acquired device port names but excluded from the firstly acquired device port names by comparing the firstly acquired device port names with the secondly acquired device port names, and registers in the operating system the new device port name and the software to be correlated with each other so that the software can communicate with the new device through the new device port.