Check Fan Operation (Function Code: 78) - Brother HL-L2300D Service Manual

1.3.17 Check fan operation (function code: 78)

<Function>
This function is used to check that the fan is operating normally. Switch the setting among
rotation speed 100%, 50%, and OFF.
LCD
F
<Operating Procedure>
(1) Press the [▲] or [▼] key in the initial state of maintenance mode to display
"MAINTENANCE 78" on the LCD, and press the [OK] key. "F100" is displayed on the
LCD and the fan rotates at 100% speed.
(2) By pressing the [Go] key, "F50" is displayed on the LCD and the fan rotates at 50%
speed.
(3) By pressing the [Go] key again, "F 0" is displayed on the LCD and the fan stops.
Press and hold the [Go] key, and the machine returns to the initial state of maintenance
mode.
Name
Fan Emits the heat in the fuser unit.
Description
5-30
Confidential