5-61
Confidential
1.3.32 Operational check of fans (Function code 78)
<Function>
This function is used to check that each fan is operating normally. The rotation speed is
changed among three settings: 100%, 50% and OFF
<Operating procedure>
(1) Press the
7
and
8
keys in this order in the initial state of the maintenance mode.
“F100 P100 B100” is displayed on the LCD, and all the fans operate at the rotating speed
of 100%.
(2) Press the
Mono Start
key. “F50 P 0 B 0” is displayed on the LCD, and the fuser fan only
operates at the rotating speed of 50%.
(3) Press the
Mono Start
key. “F0 P 0 B 0” is displayed on the LCD, and all the fans stop.
(4) Press the
X
key to return the machine to the initial state of the maintenance mode.
■
Location of fans
Fig. 5-21
LCD
Parts name
Description
F
Fuser fan
Evacuate hot air of the fuser unit.
P
Power fan
Evacuate hot air of the low-voltage power supply
PCB unit.
B
Blower
Intake air to prevent a dirt on the corona wire.
Fuser fan
Power fan
Blower
Содержание DCP-L8400CDN
Страница 38: ...2 8 Confidential 2 2 2 Scanning part Fig 2 4 Right side Left side Face up Document scanning feed path ...
Страница 249: ...3 85 Confidential 3 Remove the ADF spring from the Upper ADF chute Fig 3 95 ADF spring Upper ADF chute ...
Страница 277: ...3 113 Confidential 9 35 LCD 1 Remove the LCD from the Control panel ASSY Fig 3 145 Control panel ASSY LCD ...
Страница 391: ...5 7 Confidential Common to first and second side Fig 5 1 ...