Brother MFC-9840CDW Service Manual

Confidential
5-28
1.4.18 Paper Feeding and Ejecting Test (Function code 67)
<Function>
This function allows you to check that a sheet of paper is fed and ejected correctly by printing
the grid pattern on a page, whose interval is 1cm.
<Operating Procedure>
(4) Press the 6 and 7 buttons in this order in the initial stage of the maintenance mode.
The “SELECT: TRAY1” will appear on the LCD.
(5) Press the
or button to select the tray and mode to be performed a feeding test and
press the OK button.
The testing terms are as follows;
LCD Description
SELECT: TRAY1 Continuous one-side printing from Tray 1.
SELECT: TRAY2 Continuous one-side printing from Tray 2.
SELECT: MP Continuous one-side printing from MP Tray.
SELECT: TRAY1 DX Continuous two-sided printing from Tray 1.
SELECT: TRAY2 DX Continuous two-sided printing from Tray 2.
SELECT: MP DX Continuous two-sided printing from MP Tray.
(6) The “PAPER FEED TEST” will appear on the LCD. The test printing is started, and the
grid pattern is printed.
(7) Press the Stop/Exit button so that machine stops printing. Then, it beeps for one second
and returns to the initial stage of the maintenance mode.
Note:
In the case that the front cover is opened, or that there is no paper in the tray during test
printing, the test printing is stopped.
1.4.19 Sensitivity Adjustment of Density Sensor (Function code 72) (Don’t use)
<Function>
Although this function can be carried out, the machine does not adjust the sensitivity of the
density sensor. Once the function is performed, the machine prints the patch data onto the belt
unit. It may remain on the belt unit if the power switch is turned off before the performance is
completed. Therefore, it is prohibited to use this function.

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