Brother MFC-9840CDW Service Manual

Confidential
5-26
1.4.17 Adjustment of Color Registration (Maintenance Mode 66)
<Function>
This function automatically adjusts color registration. If automatic adjustment of color
registration fails, you can adjust color registration manually.
<Operating Procedure>
Automatic Adjustment of Color Registration
(1) Press the 6 button twice in the initial stage of the maintenance mode.
”REGISTRATION” is displayed on the LCD.
(2) Press the OK button.
”REGISTRATION/ PLEASE WAIT” is displayed on the LCD, and adjustment of color
registration is automatically done.
(3) When this operation is completed without an error, “REGISTRATION/ COMPLETED” is
displayed on the LCD. When you press the Stop/Exit button, a buzzer sounds for approx.
1 sec, and the machine returns to the initial stage of the maintenance mode.
When an error message is displayed on the LCD, take the measures described in the
table below.
Error message Measure
REGISTRATION
FAILD
Adjust color registration manually in accordance with the
procedure for manual adjustment of color registration
given below.
REGISTRATION
TONER EMPTY <color>
Replace the empty toner cartridge, and then conduct the
auto adjustment of color registration again.
NO PAPER
LOAD <size> PAPER
Replenish paper of the size specified in the display on
the tray, and then conduct the auto adjustment of color
registration again.
* In the <color> field, the toner color of which cartridge becomes empty is displayed.
* In the <size> field, “LETTER” or “A4” is displayed. “LETTER” is displayed on the models
of which default size is LETTER, and “A4” is displayed on the models of which default
size is A4.
Manual Adjustment of Color Registration
(1) Press the 6 button twice in the initial stage of the maintenance mode.
”REGISTRATION” is displayed on the LCD.
On the tray, load LETTER-size paper in the case of the models of which default size is
LETTER, and A4-size paper in the case of the models of which default size is A4.
(2) Press the ▲ or ▼ button to display “PRINT CHART” on the LCD, and then press the OK
button.
(3) Display “PRINT CHART/ PRINTING” on the LCD, and print the color registration
adjustment chart (next page).
(4) Press the ▲ or ▼ button to display “OFFSET ADJSUT” on the LCD, and then press the
OK button. “1. M LEFT/ 0” is displayed on the LCD.
(5) With the printed color registration adjustment chart, check the numeric value where the
color is the darkest among the pattern 1 (Magenta Left). Press the ▲ or ▼ button to
display that numeric value, and then press the Black Start button.

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