Brother HL-L9300CDW Service Manual page 291

1.2 List of Maintenance-mode Functions
Function
code
01
09
10
11
12
13
25
28
32
33
40
41
45
57
61
66
67
68
69
70
71
72
73
74
77
78
80
82
83
88
91
99
* The functions shaded in the table above are user-accessible.
EEPROM parameter initialization
Monochrome image quality test pattern
Worker switch (WSW) setting
Printout of worker switch (WSW) data
Operational check of LCD
Operational check of control panel key
Software version check
"One Push Demo" setting
Operational check of sensors
LAN connection status display
EEPROM Dump Print
Backup of machine information
Changing return value of USB No./Switching Dither Pattern/
Switching of ON/OFF of DirectPrint Color mode-Improve
Gray Color/Switching of timing to execute Auto Registration/
Adjusting left-end print start position on second side in
duplex printing/Change of the transfer current setting/
Change of ghost reduction setting
Motor reset
Adjustment of touch panel
Adjustment of color registration
(Adjustment of inter-color position alignment)
Continuous print test
Laser unit test pattern print
Frame pattern print (One-sided)
Frame pattern print (Two-sided)
Color test pattern
Sensitivity adjustment of density sensor
Continuous adjustments of density and registration sensor
Setting by country
Printout of maintenance information
Operational check of fans
Display of device log information
Display of device error codes
Developing bias voltage correction
Reset counters for parts
EEPROM parameter initialization
Exit from the maintenance mode
Function
5-3
Refer to:
1.3.1 (5-4)
1.3.2 (5-5)
1.3.3 (5-6)
1.3.3 (5-6)
1.3.4 (5-8)
1.3.5 (5-10)
1.3.6 (5-11)
1.3.7 (5-12)
1.3.8 (5-13)
1.3.9 (5-17)
1.3.10 (5-18)
1.3.11 (5-19)
1.3.12 (5-22)
1.3.13 (5-29)
1.3.14 (5-30)
1.3.15 (5-31)
1.3.16 (5-35)
1.3.17 (5-39)
1.3.18 (5-40)
1.3.19 (5-41)
1.3.20 (5-42)
1.3.21 (5-45)
1.3.22 (5-46)
1.3.23 (5-47)
1.3.24 (5-49)
1.3.25 (5-51)
1.3.26 (5-52)
1.3.27 (5-56)
1.3.28 (5-57)
1.3.29 (5-58)
1.3.1 (5-4)
1.3.30 (5-58)
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