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4.12 Switching the USB Setting (Function code 45)
<Function>
If a Vista supported PC connect with a USB device by USB full-speed 2.0, the PC's operation
system may be unable to recognize the serial number of the USB device depending on the
PC and the USB device. In that case, the virtual printing port for USB will increase
continually whenever the PC connects to the USB device. This function can solve the
problem by switching the return value of serial number to "0".
• USBNo.=ON: Return to the serial number of the machine.
• USBNo.=OFF: Return to the "0".
<Operating Procedure>
(1) Press the [4] and [5] keys in this order in the initial stage of the maintenance mode.
The “USBNo.=ON” will appear on the LCD.
(2) Press the [OK] button. and select the “USBNo. = ON” or “USBNo. = OFF” by pressing
the [ ] or [ ] button. And press the [OK] or [Start] button. The machine beeps for
approx. one second, and return to the initial stage of the maintenance mode.
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