Software Version Check (Function Code: 25) - Brother FAX-2840 Service Manual

1.3.9 Software version check (Function code: 25)

<Function>
This function is used to check the management information of the software programs such as
version information and check sum.
<Operating Procedure>
(1) Press the [2] and [5] buttons in this order in the initial state of the maintenance mode.
The machine displays each of items described below on the LCD.
(2) Press the [
(3) When the [Stop/Exit] button is pressed regardless of the display, the operation is
canceled, and the machine beeps for one second and returns to the initial state of the
maintenance mode.
TOTAL: Ver A
ENG: Ver1.00
B09014151027: AF57
U09040911553: A668
D09041191021: 2E8F
ROM Check Sum
*1
How to display the check sum information
Press the [OK] button when each version is displayed on the LCD to display the check
sum information. Press the [OK] button again to go back to the version information display.
Press the [
Note:
• Regarding the version information (Network and I-FAX) of which check sum
information cannot be obtained, the check sum information is not displayed even if
you press the [OK] button.
*2
There are two types of check sum information which can be checked with this function.
This function checks if these two types of check sum information match each other. When
you press the [OK] button while "ROM Check Sum" is displayed, check is automatically
conducted for each ROM of each software part. When the check sum matches, "OK" is
displayed on the LCD. When all ROMs result in OK, "ROM Check Sum OK" is displayed at
the end, and the operation is finished. When the check sum of any ROM does not match,
"NG" is displayed, and the display stops.
] or [ ] button to change the display item.
LCD
*1
Main firmware version information
(A): Revision information
Engine firmware version information
*1
Boot program creation date
*1
Main firmware creation date
*1
Demo firmware data creation date
Check sum self-diagnosis function
] or [ ] button to change the display item.
Description
5-15
*2
Confidential