Brother MFC-9840CDW Service Manual

Confidential
4-8
Rewriting the Main Firmware
(1) Press the Menu and Black Start buttons. Next press the
button four times to make
the machine enter the maintenance mode. (Refer to “1.1 How to Enter the
Maintenance Mode” in Chapter 5.)
TIP:
FAX models equipped with numerical keypads can enter the maintenance mode in the
same way as conventional models; that is, by pressing the Menu, *, 2, 8, 6 and 4
buttons in this sequence.
(2) Connect the computer to the machine with the USB cable.
(3) Double-click the “FILEDG32.EXE” to start. The following screen appears.
(4) Drag the necessary firmware program file such as LZ1092_A.djf and drop it onto the
Brother Maintenance USB Printer icon. “Program Updating” will appear on the LCD.
(5) Upon completion of rewriting, the machine is rebooted and returns to the Ready state
automatically.
How to rewrite the main firmware again if failing to rewrite it
Note:
If failing to rewrite the main firmware, prepare the upd file.
(1) Turn the power switch of the machine off. Then, turn it on while pressing the 5 button.
“
” appears on the LCD.
(2) Start the “FILEDG32.EXE” by double clicking the icon to start.
(3) Drag the necessary firmware program file such as LZ1092_A.upd and drop it onto the
Brother Maintenance USB Printer icon. The machine will emit audible beeps.
(4) Upon completion of rewriting, the machine is rebooted and returns to the Ready state
automatically.
(5) Press the * and # buttons at the same time and check the firmware version. If the
indicated version coincides with the rewritten one, rewriting is successfully completed.
If rewriting has failed, rewrite the files from step (1) again.

Brother MFC-9840CDW Specifications

General

Print technology	Laser
Maximum resolution	600 x 2400 DPI
Economical printing	Yes
Time to first page (black, normal)	16 s
Time to first page (color, normal)	17 s
Print speed (black, normal quality, A4/US Letter)	20 ppm
Scan to	E-mail, FTP, OCR, USB
Scanner type	Flatbed scanner
Grayscale levels	256
Input color depth	48 bit
Maximum scan resolution	19200 x 19200 DPI
Optical scanning resolution	1200 x 2400 DPI
Copier resize	25 - 400 %
Maximum copy resolution	1200 x 600 DPI
N-in-1 copy function (N=)	4, 9, 16, 25
Copy speed (black, normal quality, A4)	16 cpm
Faxing	Mono faxing
Fax memory	400 pages
Modem speed	33.6 Kbit/s
Fax speed dialing (max numbers)	300
Total input capacity	250 sheets
Total output capacity	150 sheets
Multi-Purpose tray input capacity	50 sheets
Auto document feeder (ADF) input capacity	35 sheets
Internal memory	128 MB
Sound power level (standby)	30 dB
Sound pressure level (printing)	54.5 dB
Custom media sizes	(69.9 - 216mm) - (116 - 406.4mm)
Dimensions (WxDxH)	530 x 539 x 520 mm
Networking features	10/100Base-TX
Wireless technology	IEEE 802.11b/g
All-in-one functions	Copy, Fax, Scan
Maximum internal memory	0.640 GB
Color all-in-one functions	copy, print, scan
Media weight (tray 1)	60 - 105g/m2
Paper tray media types	Bond paper, Envelopes, Labels, Plain paper, Recycled paper
Non-ISO print media sizes	Executive (184 x 267mm), Folio (media size), Legal (media size), Letter (media size)
ISO A-series sizes (A0...A9)	A4, A5, A6
ISO B-series sizes (B0...B9)	B5, B6
JIS B-series sizes (B0...B9)	B5
Maximum ISO A-series paper size	A4
Multi-Purpose Tray media weight	60 - 163 g/m²
Security algorithms	LEAP
Supported network protocols (IPv4)	TCP/IP (IPv4 & IPv6)
Standard interfaces	USB 2.0
USB 2.0 ports quantity	1
Bundled software	ScanSoft PaperPort (Win) NewSoft Presto! PageManager (Mac)
Power consumption (PowerSave)	36 W
Power consumption (average operating)	515, 100 W
Package weight	45800 g
Digital sender	No
Maximum duty cycle	3000 pages per month
Market positioning	Business