Brother MFC-9840CDW Service Manual

Confidential
4-12
(3) When the machine has recognized the USB flash memory drive, the Direct button
lights blue. Press the Direct button.
(4) “Direct Print” is displayed on the first line of the LCD, and the file names will be shown
on the second line of the LCD. Press the
or button to choose the necessary
program file, and press the OK button.
(5) 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.
(6) After completion of firmware rewriting, the machine is rebooted and returns to the
Ready state automatically.
(7) Remove the USB flash memory drive from the USB direct Interface once the update
have finished.
Note:
- Enter the maintenance mode. (Refer to “1.1 How to Enter the Maintenance Mode” in
Chapter 5.) Then, press the 2 and 5 buttons in this order and press the Black Start
button twice so that the firmware version of the engine firmware can be checked.
- If rewriting the firmware using a USB flash memory drive fails, turn the power of the
machine off and on. Follow the steps 1 to 7 again.
- Rewriting the firmware (Engine firmware)
Note:
- DO NOT unplug the power cord of the machine or your PC or disconnect the USB cable
while rewriting the program files.
- In case of using the “FILEDG32.EXE”, the following firmware files are necessary to
rewrite.
Engine Firmware:
LZ0833_A.djf
LZXXXX_$.djf
LZXXXX: First six digits are a parts number of the firmware.
$: Alphabet representing the revision of the firmware.
(1) Turn on the power switch of the machine. 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 machine to your PC using the USB cable.

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