Brother MFC-9840CDW Service Manual

Confidential
4-2
<Procedures>
Rewriting the Firmware (Main Firmware, Sub Firmware (PCL/PS))
- 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.
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.
(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.
Fig. 4-1
(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 or lower 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) If selecting the necessary program file to rewrite next, press the Direct button again and
then follow the steps from (4) to (6).
Note:
It is recommended to rewrite 1) Sub firmware (PCL/PS) and 2) Main firmware. In this
order.

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