Brother MFC-490CW User Manual

150
Cleaning the print head B
To maintain good print quality, the machine
will automatically clean the print head. You
can start the cleaning process manually if
there is a print quality problem.
Clean the print head and ink cartridges if you
get a horizontal line or blank text in the text or
graphics on your printed pages. You can
clean Black only, three colors at a time
(Cyan/Yellow/Magenta), or all four colors at
once.
Cleaning the print head consumes ink.
Cleaning too often uses ink unnecessarily.
CAUTION
DO NOT touch the print head. Touching the
print head may cause permanent damage
and may void the print head's warranty.
a Press Ink.
b Press a or b to choose Cleaning.
Press OK.
c Press a or b to choose Black, Color or
All.
Press OK.
The machine cleans the print head.
When cleaning is finished, the machine
will go back to standby mode
automatically.
Note
If you clean the print head at least five
times and the print has not improved, try
installing a new Genuine Brother Brand
replacement cartridge for each problem
color. Try cleaning the print head again up
to five more times. If the print has not
improved call Brother Customer Service
(see Brother numbers on page i).
Checking the print quality B
If faded or streaked colors and text appear on
your output, some of the nozzles may be
clogged. You can check this by printing the
Print Quality Check Sheet and looking at the
nozzle check pattern.
a Press Ink.
b Press a or b to choose Test Print.
Press OK.
c Press a or b to choose
Print Quality.
Press OK.
d Press Color Start.
The machine begins printing the Print
Quality Check Sheet.
e Check the quality of the four color blocks
on the sheet.
f The LCD asks you if the print quality is
OK.
Do one of the following:
 If all lines are clear and visible, press
1 (Yes) to finish the Print Quality
check and go to step j.
 If you can see missing short lines as
shown below, press 2 to choose No.
g The LCD asks you if the print quality is
OK for black and three colors.
Press 1 (Yes) or 2 (No).
h The LCD asks you if you want to start
cleaning.
Press 1 (Yes).
The machine starts cleaning the print
head.
OK Poor

Brother MFC-490CW Specifications

General

Print technology	Inkjet
Print speed (black, normal quality, A4/US Letter)	33 ppm
Print speed (color, normal quality, A4/US Letter)	27 ppm
Maximum scan resolution	19200 x 19200 DPI
Optical scanning resolution	1200 x 2400 DPI
Copier resize	25 - 400 %
PC free copying	Yes
Copy speed (black, normal quality, A4)	22 cpm
Copy speed (color, normal quality, A4)	20 cpm
Faxing	Color faxing
Fax memory	480 pages
Modem speed	33.6 Kbit/s
Dimensions (WxDxH)	390 x 375 x 180 mm
Power requirements	AC 100-120V, 50/60Hz
Networking features	10/100 Base-TX
Wireless technology	802.11b/g
All-in-one functions	Copy, Fax, Scan
Color all-in-one functions	copy, fax, print, scan
Compatible operating systems	Windows Vista, Windows XP, Windows 2000, Mac, Linux
Total input capacity	100 sheets
Total output capacity	50 sheets
Auto document feeder (ADF) input capacity	15 sheets
Display	LCD
Display diagonal	3.3 \
Market positioning	Home & office
Compatible memory cards	CF, MS Pro, SD, SDHC, xD
Sound pressure level (printing)	50 dB
Envelopes sizes	C5, DL
Maximum print size	216 x 356 mm
Paper tray media types	Envelopes, Photo paper, Plain paper
Non-ISO print media sizes	Executive
Maximum ISO A-series paper size	A4
Supported network protocols (IPv4)	ARP, RARP, BOOTP, APIPA (Auto IP), NetBIOS/WINS, LPR/LPD, Custom Raw Port/Port9100, DNS, mDNS, FTP, TELNET, SNMPv1, TFTP, LLTD, Web
Standard interfaces	USB 2.0
USB 2.0 ports quantity	1
Sustainability certificates	ENERGY STAR
Power consumption (standby)	6 W
Power consumption (average operating)	29 W
Operating relative humidity (H-H)	20 - 80 %
Digital sender	No
Maximum duty cycle	2500 pages per month