Brother MFC-J491DW User Manual

Home > Routine Maintenance > Clean Your Brother Machine > Clean the Print Head from Your Computer
(Windows
®
)
Clean the Print Head from Your Computer (Windows
®
)
To maintain good print quality, the machine automatically cleans the print head when needed. If there is a print
quality problem, start the cleaning process manually.
1. Do one of the following:
• For Windows Server
®
2008
Click
(Start) > Control Panel > Hardware and Sound > Printers.
• For Windows
®
7 and Windows Server
®
2008 R2
Click
(Start) > Devices and Printers.
• For Windows
®
8
Move your mouse to the lower right corner of your desktop. When the menu bar appears, click Settings,
and then click Control Panel. In the Hardware and Sound group, click View devices and printers.
• For Windows Server
®
2012
Move your mouse to the lower right corner of your desktop. When the menu bar appears, click Settings,
and then click Control Panel. In the Hardware group, click View devices and printers.
• For Windows Server
®
2012 R2
Click Control Panel on the Start screen. In the Hardware group, click View devices and printers.
• For Windows
®
10 and Windows Server
®
2016
Click
> Windows System > Control Panel. In the Hardware and Sound group, click View devices
and printers.
2. Right-click the Brother MFC-XXXX Printer icon (where XXXX is your model name), and then select Printing
preferences. If printer driver options appear, select your printer driver.
The printer driver dialog box appears.
3. Click the Maintenance tab.
4. Select one of the following options:
Option Description
Check Print Quality... Use to print the test page and check the print quality.
Print Head Cleaning... Use to start the cleaning process manually. Select if a line or blank spaces
appear in text or graphics on the test page.
5. Do one of the following:
• If you selected the Check Print Quality... option, click Start.
The machine prints the test page.
• If you selected the Print Head Cleaning... option, select the Black only, Color only, or All option for the
cleaning type, and then click Next.
6. Select the Normal, Strong, or Strongest option for the cleaning strength, and then click Next.
7. Click Start.
The machine starts cleaning.
Related Information
• Clean Your Brother Machine
• Paper Handling and Printing Problems
515

Brother MFC-J491DW Specifications

General

Display	LCD
Product color	Black
Built-in display	Yes
Display diagonal	1.77 \
Market positioning	Home & office
Internal memory	128 MB
Card reader integrated	No
Sound pressure level (copying)	50 dB
Print technology	Inkjet
Maximum resolution	1200 x 6000 DPI
Duplex printing mode	Auto
Print speed (ISO/IEC 24734) mono	12 ipm
Print speed (ISO/IEC 24734) color	6 ipm
Time to first page (black, normal)	8 s
Duplex print speed (ISO/IEC 24734) mono	3 ipm
Duplex print speed (ISO/IEC 24734) color	1.7 ipm
Print speed (black, normal quality, A4/US Letter)	27 ppm
Print speed (color, normal quality, A4/US Letter)	10 ppm
Standard interfaces	USB 2.0, Wireless LAN
USB 2.0 ports quantity	1
Copier resize	25 - 400 %
Maximum copy resolution	1200 x 600 DPI
Package depth	249 mm
Package width	447 mm
Package height	457 mm
Package weight	10100 g
Power consumption (off)	0.2 W
Power consumption (sleep)	1 W
Power consumption (standby)	3.5 W
Power consumption (printing)	16 W
Power consumption (average operating)	- W
Sustainability certificates	Nordic Swan Ecolabel, ENERGY STAR
Faxing	Mono faxing
Fax memory	170 pages
Modem speed	14.4 Kbit/s
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Security algorithms	64-bit WEP, 128-bit WEP, WPA-PSK, WPA2-PSK
Mobile printing technologies	Apple AirPrint, Mopria Print Service
Paper input type	Paper tray
Total input capacity	100 sheets
Total output capacity	50 sheets
Auto document feeder (ADF) input capacity	20 sheets
Paper tray media types	Plain paper
Borderless printing media sizes	A4
Scan to	E-mail, File, Image, OCR
Scanner type	Flatbed & ADF scanner
Input color depth	30 bit
Output color depth	24 bit
Maximum scan resolution	19200 x 19200 DPI
Optical scanning resolution	1200 x 2400 DPI
Digital sender	-
Maximum duty cycle	- pages per month
Harmonized System (HS) code	84433100

Weight and Dimensions

Depth	341 mm
Width	400 mm
Height	172 mm