Operational Check Of Fan (Function Code: 78) - Brother FAX-2840 Service Manual

1.3.21 Operational check of fan (Function code: 78)

<Function>
This function is used to check that the fan is operating normally.
<Operating Procedure>
(1) Press the [7] and [8] buttons in this order in the initial state of the maintenance mode.
"FAN: 100%" is displayed on the LCD.
(2) Pressing the [Start] button changes the display according to the sequence shown below.
Check the fan operation.
(3) When the [Stop/Exit] button is pressed, the operation is canceled, and the machine
beeps for one second and returns to the initial state of the maintenance mode.
Location of fans
FAN: 100%
FAN: 50%
FAN: OFF
Fig. 5-11
Fig. 5-12
5-34
Fan
Confidential