Brother HL-2700CN Series, Service Manual, Page: 25 / 377

I-7
4. DESCRIPTION OF CONTROL PANEL
The printer control panel provides control of the printer including test printing,
maintenance operations performed by the video controller and also the ones which are
performed by the engine controller.
The Video Controller Mode and the Engine Controller Mode have some common
functions. Under normal circumstances the functions in the Video controller mode will be
used. Refer to Chapter V for further information.
4.1 Video Controller Mode
The printer goes into the Video Controller Mode when the power is turned on by pressing
the power button.
The Video Controller Mode supplies the general test printing and setting functions and
some of the maintenance operations. If further engine settings are required, use the
Engine Controller Mode.
4.2 Engine Controller Mode
The printer goes into the Engine Controller Mode when power is turned on by pressing
the power button at the same time as holding down the -, +, back. (Refer to Fig.1-4.)
Note:
This mode provides unique control panel display and operation functions which are
completely different from the ones described on the actual control panel or in the user’s
guide. Refer to Chapter V for detailed information.