Brother HL-3040CN, Service Manual, Page: 397 / 437

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Confidential
2. OTHER SERVICE FUNCTIONS
2.1 Not-disclosed-to-users Function Menus Enabled by
Pressing Button (s) When Turning the Machine On
The following settings and functions will be available by holding down the specified button (s)
while turning the machine on.
■ Press one button when turning the machine on
* You can print data from the computer as hexadecimal code. It is useful to analyze print data
itself whether it is okay or not.
■
Press two buttons at the same time when turning the machine on
* This mode is to start-up the machine without using the engine. When the error related to the
engine occurs, you can ignore the error and get the error history or the other counter
information though it is impossible to print. When the machine doesn’t work in case that the
connection failure between the main controller and the engine controller occurs, it is possible
to update the main controller itself to recover from the failures.
Panel operation Function
Go Not used
Secure Print Not used
Back Not used
( - ) Hex dump mode*
( + ) Not used
OK Don’t use
Cancel Not used
Panel operation Function
OK Back Don’t use
Go ( + ) Not used
Go Back Engine non-startup mode*
( - ) ( + ) Don’t use
( - ) OK Don’t use
Go OK Not used
Go Cancel Flash ROM updates mode
(UPD file/Model classification is available.)
OK ( + ) Obtain the wireless LAN MAC address (Ethernet address).
(HL-3070CW only)