Brother MFC-J491DW User Manual

Home > Paper Handling > Load Documents > Load Documents in the Automatic Document Feeder (ADF)
Load Documents in the Automatic Document Feeder (ADF)
The ADF can hold multiple pages and feeds each sheet individually.
Use paper that is within the sizes and weights shown in the table. Always fan the pages before placing them in
the ADF.
Document Sizes and Weights
Length
1
:
5.8 to 14.0 in. (148 to 355.6 mm)
Width: 5.8 to 8.5 in. (148 to 215.9 mm)
Paper Weight: 17 to 24 lb (64 to 90 g/m²)
1
Documents that are longer than 11.7 in. (297 mm) must be fed one page at a time.
IMPORTANT
• DO NOT pull on the document while it is feeding.
• DO NOT use paper that is curled, wrinkled, folded, ripped, stapled, paper clipped, pasted or taped.
• DO NOT use cardboard, newspaper or fabric.
• Make sure documents with correction fluid or written in ink are completely dry.
1. Lift up and unfold the ADF document support (1).
1
2. Fan the stack of paper well to avoid paper jams and misfeeds.
3. Adjust the paper guides (1) to fit the document size.
1
4. Place your document, face down, top edge first in the ADF underneath the paper guides until you feel the
document touch the feed rollers and the LCD displays [ADF Ready.].
IMPORTANT
DO NOT leave any documents on the scanner glass. If you do this, the ADF may jam.
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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