Operational Check Of Fans (Function Code 78) - Brother DCP-7055 Service Manual

1.4.22 Operational check of fans (Function code 78)

<Function>
This function is to check whether each of fans is operating correctly or not.
<Operating Procedure>
(1) Press the 7 and 8 buttons in this order in the initial state of the maintenance mode.
In the case of the model without the numeric keys; Press the
"MAINTENANCE 78" appears on the LCD. Then press the OK button.
The indication will appear on the LCD as shown in the figure below.
(2) Press the Start button to check the next item. For operation check, spin or stop fans
actually on each item.
(3) Press the Stop/Exit button so that the machine stops checking the fans, beeps for one
second and returns to the initial state of the maintenance mode.
■ Location of fans
FAN: 100%
FAN: 50%
FAN: OFF
Fig. 5-14
Fig. 5-15
5-33
or button. The
Exhaust
Fan
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