Brother DCP-L8400CDN Service Manual page 449

*1
01 to 10 are entered in ## in chronological order. When you press the SET key as the
machine error history is displayed, "PGCNT:00000000" (the page counter when the error
occurred) is displayed on the LCD. When you press the OK key or the SET key once more,
"TMP:000 HUM:000" (the temperature and humidity when the error occurred) is displayed
on the LCD.
*2
The serial number can be changed according to the steps below.
1) Press the 9, 4, 7, and 5 keys in this order while the serial number is displayed. The
first digit of the serial number displayed on the LCD starts blinking, and the machine
enters the edit mode.
2) Enter the number of the first digit of the serial number using the ten-key pad. The
blinking cursor moves to the second digit. Similarly, repeat the entering of the serial
numbers of the 2nd to the last 15th digit.
<How to enter alphabets>
To enter alphabets other than A, B, C, D, E, and F, keep pressing a corresponding key
in the ten-key pad based on the table given below until the alphabet you want to enter
is displayed.
Ten-key pad
4
5
6
7
8
9
3) When you press the SET key, the serial number is written and the machine returns to
the initial state of the maintenance mode.
*3
For the models without FAX function, "TTLLIST:00000000" is displayed on the LCD, and
the number of the List printed pages is displayed.
*4
If you press the SET key with the replacement count of a consumable part is displayed,
"DATE_XX:000000" (XX: indicates a relevant consumable part) and the date of
replacement are displayed on the LCD. (The date is not displayed on the models without
RTC.)
*5
If you press the SET key with a communication error is displayed, "DATE:0000000000" and
the date of replacement are displayed on the LCD. (The date is not displayed on the
models without RTC.)
*6
01 to 10 are entered in ## in chronological order. When you press the SET key as the
engine error history is displayed, "TM:00000 BT:000" (TM: elapsed time (minute) from the
previous error and BT: the number of times when the power is ON/OFF) is displayed on the
LCD.
*7
01 to 10 are entered in ## in chronological order. When you press the SET key as the log
for design analysis is displayed, "PGCNT:00000000" (the page count when the error
occurred) is displayed on the LCD.
Corresponding alphabet
4→G→H→I
5→J→K→L
6→M→N→O
7→P→Q→R→S
8→T→U→V
9→W→X→Y→Z
5-65
Confidential