Check Fan Operation (Function Code 78) - Brother HLL3290CDW Service Manual

1.3.30 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%, 67%, 50%, and OFF.
LCD
F Fan
< Operating Procedure >
(1) For models with touch panel
Press the [7], and then the [8] in the initial state of maintenance mode. "F100" is displayed
on the LCD and the fan rotates at 100% speed.
For models without touch panel
Press the [▲] or [▼] in the initial state of maintenance mode to display
"MAINTENANCE 78" on the LCD, and press the [OK]. "F100" is displayed on the LCD
and the fan rotates at 100% speed.
(2) By pressing the [Start] or [Mono Start], "F67" is displayed on the LCD and the fan rotates
at 67% speed.
(3) By pressing the [Start] or [Mono Start], "F50" is displayed on the LCD and the fan rotates
at 50% speed.
(4) By pressing the [Start] or [Mono Start], "F 0" is displayed on the LCD and the fan stops.
(5) Press the [X] or [Stop], and the machine returns to the initial state of maintenance mode.
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Location of fan
Name
Emits the heat in the fuser unit.
Fan
Fig. 5-20
Description
5-71
Confidential