Video Controller Mode; Configuration Of Operational Mode - Brother HL-2600CN Service Manual

2.

VIDEO CONTROLLER MODE

This section describes the operation and maintenance functions in the Video Controller
Mode.
2.1

Configuration of Operational Mode

This printer has various functions as set out in Table 5-1 for users to easily perform
general test printing, general settings and some maintenance work.
(1) Normal Mode:
(2) Line Test Mode:
(3) DRAM Test Mode: This mode is provided to test installed DIMM(s) on the main
(4) Test Print Mode:
(5) NVRAM Reset Mode:
Power on
+ button + - button + Power on
Go button + + button + Power on
Press the –, + and Set buttons in
this order while holding down the
Go button.
Set button + Power on
After turning on the printer, the printer goes into Normal Mode.
This mode provides normal printing for the end user. The
following section describes the toner save mode and the power
save mode. For other modes, refer to the user's guide.
This mode provides a self-test for each function in the Video
Controller Mode mainly for use when replacing the main (video
controller) PCB.
Whenever the video controller is replaced, these checks should
be carried out.
This mode provides performance tests for the engine LCD,
control panel buttons and various sensors.
(video controller) PCB.
This mode allows you to print the selected test pattern in order to
check the engine.
This mode forces the NVRAM values of the video controller to be
reset to the factory settings.
When replacing the main PCB, the NVRAM value is
automatically reset to the factory setting. However, this mode is
effective when the video controller does not work due to errors.
Table 5-1
V-2
Normal Mode
Line Test Mode
DRAM Test Mode
Test Print Mode
NVRAM Reset Mode