| 摘要 |
The present invention provides an all-in-one printing device having a housing, a processor disposed within the housing, a printer component mounted in the housing and in communication with the processor, a scanner component mounted in the housing and in communication with the processor, a graphical user interface, such as a liquid crystal display, CRT or organic LED display, mounted on the housing and in communication with the processor, a storage device having instructions for generating a pointer image on the liquid crystal display, and a USB host port adapted to connect to a USB pointing device such as a mouse, the USB host port being in communication with the processor, wherein graphical user interface is adapted to receive commands from the USB pointing device connected to the USB host port to control the pointer image.
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