Not-Disclosed-To-Users Functions (Function Code 45) - Brother DCP-7055 Service Manual

1.4.14 Not-disclosed-to-users functions (Function code 45)

■ Changing return value of USB No.
<Function>
When the OS of the computer is Windows Vista
through USB 2.0 full speed, the OS might fail to get the serial No. of the USB device
depending on the computer and USB device. When the OS fails to get the serial No., the
return value may continue to increase every time the device is connected to the computer.
To avoid this problem, the return value of the serial No. is dropped to "0".
LCD
USBNo. =ON
USBNo. =OFF
<Operating Procedure>
(1) Press the 4 and 5 buttons in this order in the initial state of the maintenance mode.
In the case of the model without the numeric keys; Press the
"MAINTENANCE 45" appears on the LCD. Then press the OK button.
The "USBNo." will appear on the LCD. Then, press the OK button.
(2) Press the
the OK or Start button.
(3) "Accepted" is displayed on the LCD, and the product goes back to the initial state of the
maintenance mode.
(4) Turn the power switch of the machine OFF.
Note:
• This mode is enabled when the power of the machine is turned OFF and ON.
Returns the serial No. of the device. (default)
Returns "0".
or button to select "USB No. = ON" or "USB No. = OFF," and then press
®
, and the computer is connected to a device
Detail description
5-22
or button. The
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