Brother MFC-8370DN Service Manual

6-2
Confidential
<Procedures>
■ Rewriting the Firmware
• How to rewrite the firmware by using the USB flash memory drive
If you save program files in the USB flash memory drive and plug it into the USB direct
Interface, you can rewrite the firmware and set the country.
(1) Save the necessary program files such as Main firmware (djf file) and Sub firmware
(PCL/PS) (djf file) to rewrite them into the USB flash memory drive.
(2) Connect the USB flash memory drive to the USB direct interface on the front of the
machine while the machine is in the ready state.
Fig. 6-1
(3) “Direct Print” is displayed on the first line of the LCD, and the file names will be shown
on the second or lower line of the LCD. Press the [ ] or [ ] button to choose the Sub
firmware, and press the [OK] button.
(4) When “Program Update/ Press Start” appears on the LCD, press the [OK] button to
start. The “Program Updating/ Do not turn OFF” message appears on the LCD with
Status LED on while rewriting the firmware. Do not turn off the machine.
(5) After completion of firmware rewriting, the machine is rebooted and returns to the
Ready state automatically.
(6) Press the [ ] or [ ] button to choose the Main firmware, then follow the steps from
(4) to (6).
(7) Remove the USB flash memory drive from the USB direct interface once the update
have finished.
Note;
• Make sure that the USB flash memory drive has enough space to save the
program file.
• In order to verify the data list saved in the USB memory, press the [ ] or [ ]
button after the message described in Step (4) appears on the LCD, and check
the list shown on the LCD.
Note;
• When pressing the [*] and [#] keys at the same time, you can check the firmware
version of the the Main Program on the LCD.

Brother MFC-8370DN Specifications

General

Duplex printing	Yes
Print technology	Laser
Maximum resolution	1200 x 1200 DPI
Time to first page (black, normal)	8.5 s
Print speed (black, normal quality, A4/US Letter)	28 ppm
Input color depth	48 bit
Optical scanning resolution	600 x 2400 DPI
Copier resize	25 - 400 %
Maximum copy resolution	1200 x 600 DPI
Maximum number of copies	99 copies
N-in-1 copy function (N=)	2, 4, 9, 16, 25
Copy speed (black, normal quality, A4)	28 cpm
Faxing	Mono faxing
Fax memory	500 pages
Modem speed	33.6 Kbit/s
Total input capacity	250 sheets
Total output capacity	150 sheets
Multi-Purpose tray input capacity	50 sheets
Auto document feeder (ADF) input capacity	20 sheets
Display	LCD
Product color	Grey, White
Market positioning	Home & office
Display number of lines	2 lines
Display number of characters	16
Card reader integrated	-
Sound power level (standby)	30 dB
Sound pressure level (printing)	56 dB
Paper tray media types	Bond paper, Envelopes, Labels, Plain paper, Recycled paper, Transparencies
Non-ISO print media sizes	Executive
ISO A-series sizes (A0...A9)	A4, A5, A6
ISO B-series sizes (B0...B9)	B5
Maximum ISO A-series paper size	A4
Multi-Purpose Tray media weight	60 - 163 g/m²
Standard interfaces	Ethernet, USB 2.0
USB 2.0 ports quantity	1
Dimensions (WxDxH)	531 x 451 x 475 mm
All-in-one functions	Copy, Fax, Scan
Color all-in-one functions	Scan
Power consumption (standby)	85 W
Power consumption (average operating)	680 W
Package weight	21100 g
Digital sender	No
Maximum duty cycle	- pages per month

Weight and Dimensions

Depth	443 mm
Width	390 mm
Height	442 mm