Brother MFC-9840CDW Service Manual

Confidential
5-3
1.4 Detailed Description of Maintenance-mode Functions
1.4.1 EEPROM Parameter Initialization (Function code 01, 91)
<Function>
The machine initializes the parameter, user switches, worker switches and assurance mode
switch settings registered in the EEPROM, to the initial values. Entering function code 01
initializes almost all of the EEPROM areas, but entering 91 does not initialize some areas, as
listed below.
Function code
Data item
01 91
Maintenance-mode functions
User switches
Worker switch (Refer to Appendix 1.)
These will be initialized.
Remote activation code
Registered message for cover page
comment
Forwarding / paging number, PIN
number
Outside line number
Telephone function registration
One-touch dialing
Speed dialing
Group dialing
All of these will be
initialized.
These will not be
initialized.
Note:
If you replace the main PCB with the one used for any other machine, carry out this procedure
and then customize the EEPROM (maintenance-mode function code 74 in Section 1.4.20).
<Operating Procedure>
(1) Press the 0 and 1 buttons (or the 9 and 1 buttons according to your need) in this order in
the initial stage of the maintenance mode.
The “PARAMETER INIT” will appear on the LCD.
(2) Upon completion of parameter initialization, the machine beeps for one second and
returns to the initial stage of the maintenance mode.

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