Brother HL-L2300D Service Manual page 155

No. of times [Go] key is
Front
pressed to enter
cover
maintenance mode
Open 2
3
4
5
6
7
8
9
10 or more
Press and hold
over 2 seconds
No. of times [Go] key
is pressed to select
function
1 Maintenance printing
2 Print maintenance data and
frame pattern
3 Invalid
4 Factory use (disabled)
5 to 9 Invalid
10 Change Ready LED light
intensity in sleep mode
11 Invalid
12 Reset irregular power supply
detection counter of low-voltage
power supply PCB
13 or more Returns to the ready state
1 Factory use (disabled)
2 Factory use (disabled)
3 Factory use (disabled)
4 to 8 Invalid
9 Factory use (disabled)
10 to 11 Invalid
12 Factory use (disabled)
13 or more Returns to the ready state
Firmware installing mode
-
Factory use (disabled)
1
Returns to the ready state
1 or more
Factory use (disabled)
-
Returns to the ready state
1 or more
Factory use (disabled)
-
Returns to the ready state
1 or more
Ready state of maintenance
-
mode for service personnel
5-5
Refer
Function
1.4.12
1.4.13
1.4.14
1.4.15
1.4.16
1.4.17
Confidential
to:
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-