Brother MFC-7320 Service Manual

5-29
Confidential
1.4.17 Operational Check of Fans (Function code 78)
<Function>
This function is to check whether each of fans is operating correctly or not. The following fans
are checked.
<Operating Procedure>
(1) MFC7840W/7840N/7450/7440N/7340/7320
Press in order the 7 and 8 buttons in the initial stage of the maintenance mode. The
indication will appear on the LCD as shown in the figure below.
DCP7045N/7040/7030
Press the or button. "MAINTENANCE 78" appears on the LCD, and then press the
OK button.
Fig. 5-12
(2) Press the Start button so that the LCD indication is changed in the order shown in the
figure above. The fan operation is also changed as indicated on the LCD.
(3) Press the Stop/Exit button so that the machine stops checking the fans, beeps for one
second and returns to the initial stage of the maintenance mode.
LCD Parts Name Description
F1 Fan motor 60 Evacuate hot air of inside of the machine.

Brother MFC-7320 Specifications

General

Print technology	Laser
Maximum resolution	2400 x 600 DPI
Time to first page (black, normal)	10 s
Print speed (black, normal quality, A4/US Letter)	18 ppm
Copier resize	25 - 400 %
PC free copying	Yes
Maximum copy resolution	600 x 600 DPI
Copy speed (black, normal quality, A4)	11 cpm
Faxing	Mono faxing
Fax memory	400 pages
Fax speed dialing (max numbers)	200
Total input capacity	250 sheets
Total output capacity	100 sheets
Multi-Purpose tray input capacity	1 sheets
Auto document feeder (ADF) input capacity	35 sheets
Sound power level (standby)	32 dB
Sound pressure level (printing)	53 dB
Standard interfaces	USB 2.0
Dimensions (WxDxH)	428 x 396 x 304 mm
All-in-one functions	Copy, Fax, Scan
Color all-in-one functions	scan, n
Compatible operating systems	Windows Vista, XP (32 & 64 bit); Windows 2000, Mac OS X 10.2.4 en recenter Linux printer driver
Power consumption (standby)	75 W
Power consumption (PowerSave)	9 W
Power consumption (average operating)	320 W
Display	LCD
Market positioning	Home & office
Media weight (tray 1)	60 - 105 g/m²
ISO A-series sizes (A0...A9)	A4, A5, A6
ISO B-series sizes (B0...B9)	B5, B6
Maximum ISO A-series paper size	A4
Multi-Purpose Tray media weight	60 - 163 g/m²
Bundled software	ScanSoft Paperport 11 SE+OCR, Newsoft Presto!, PageManager7 (Mac)
Package weight	14.900 g
Grayscale levels	256
Input color depth	24 bit
Sustainability certificates	ENERGY STAR