Brother MFC-J491DW User Manual

Home > Machine Settings > Change Machine Settings from the Control Panel > General Settings > Set the
Machine to Power Off Automatically
Set the Machine to Power Off Automatically
The Auto Power Off feature can save power consumption. Set the amount of time that the machine will be in
Sleep Mode before it automatically powers off. When this feature is set to [Off], you must power off the
machine manually.
To turn on the machine after the Auto Power Off feature has turned it Off, press .
The machine will not power off automatically when:
• Fax jobs are stored in the machine's memory. (MFC-J491DW/MFC-J497DW/MFC-J690DW)
• An error prevents the Fax Journal report from printing. (MFC-J491DW/MFC-J497DW/MFC-J690DW)
• The machine is connected to a telephone line.
• The machine is connected to a wired network. (MFC-J895DW)
• The machine is connected to a wireless network.
• [WLAN Enable] is set to [On] or [WLAN] is selected in the [Network I/F] setting.
>> MFC-J491DW/MFC-J497DW
>> MFC-J690DW/MFC-J895DW
MFC-J491DW/MFC-J497DW
1. Press Settings.
2. Press a or b to select the following:
a. Select [General Setup]. Press OK.
b. Select [Auto Power Off]. Press OK.
c. Select [Off], [1hour], [2hours], [4hours], or [8hours]. Press OK.
3. Press Stop/Exit.
MFC-J690DW/MFC-J895DW
1. Press
[Settings] > [All Settings] > [General Setup] > [Auto Power Off].
2. Press a or b to display the [Off], [1hour], [2hours], [4hours], or [8hours] option, and then press
the option you want.
3. Press .
Related Information
• General Settings
• Set the Fax Journal's Interval Period
• Set Sleep Mode Countdown
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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