Brother MFC-9840CDW Service Manual

Confidential
App. 1-60
- Selector 8: Switching between DTMF and FSK for caller ID reception (Not used)
If a caller ID (number display) cannot be received, switch from DTMF to FSK. This
operation can also be performed by means of the menu, by switching between DTMF and
FSK.
< WSW55 >
Selector No. Function Setting and Specifications
1
|
8
Interval of time required for
the developing bias voltage
correction (hour)
0:
1-72:
73-254:
255 (0xFF):
The developing bias voltage
correction is performed on
each print job.
The developing bias voltage
correction is performed when a
print job occurs at specified
time or later.
Not allowed to set.
The developing bias voltage
correction is not performed.
The setting example of the selector number is as follows;
No.1 2 3 4 5 6 7 8
0 0 0 0 0 0 0 0 : The developing bias voltage correction is performed on each print
job.
0 0 0 1 1 0 0 0 : The developing bias voltage correction is performed when a print
job occurs after 24 hours (default value) or later.
0 0 0 1 0 0 1 0 : The developing bias voltage correction is performed when a print
job occurs after 72 hours or later.
1 1 1 1 1 1 1 1 : The developing bias voltage correction is not performed.
- Selector 1 to 8: Interval of time required for the developing bias voltage correction
To keep the density of four colors evenly, the developing bias voltage correction is
performed when a print job occurs at specified time or later.
< WSW56 >
Selector No. Function Setting and Specifications
1
PS emulation function setting
(Not used.)
0: Invalid 1: Valid
2 Not used.
3
“Last Job Reprint” function
setting
0: Invalid 1: Valid
4
|
8
Not used.
- Selector 3: “Last Job Reprint” function setting
Setting this selector to “0” makes the machine not to reprint the “Last Job Print” data such
as confidential document in order to prevent the misuse.

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