Last Updated: 15 Sep 2016 Issue Number: 6200412100

Specifications

The machine specifications are subject to change without prior notice due to improvements of the machine.

Machine Specifications

Type

Personal Desktop

Power Supply*1

220 to 240 V, 50/60 Hz
(Power requirements differ depending on the country in which you purchased the product.)

Power Consumption

Maximum

MF249dw / MF246dn
1,150 W or less
MF237w / MF235
1,120 W or less

Average consumption during standby mode

MF249dw / MF246dn
Approx. 5.7 W
MF237w / MF235
Approx. 5.1 W

Average consumption during sleep mode

MF249dw
Approx. 1.3 W (by USB Connections)
Approx. 1.4 W (by Wired Connections)
Approx. 2.1 W (by Wireless Connections)
MF246dn
Approx. 1.3 W (by USB Connections)
Approx. 1.4 W (by Wired Connections)
MF237w
Approx. 1.2 W (by USB Connections)
Approx. 1.3 W (by Wired Connections)
Approx. 2.0 W (by Wireless Connections)
MF235
Approx. 1.2 W

When the power switch is turned OFF

0.5 W or less

Warm-up Time*2 (From power ON until machine enters standby)

13.5 seconds or less

Weight*3

MF249dw
Approx. 13.7 kg
MF246dn
Approx. 12.8 kg
MF237w
Approx. 12.1 kg
MF235
Approx. 12.0 kg

Dimensions
(W x D x H)

MF249dw
Standard
390 x 378 x 360 mm
With optional handset
472 x 378 x 360 mm
MF246dn / MF237w / MF235
Standard
390 x 371 x 360 mm
With optional handset
472 x 371 x 360 mm

Environmental Conditions

Temperature: 10 to 30°C
Humidity: 20% to 80% RH (no condensation)

Host Interface

100BASE-TX*4
10BASE-T*4
Hi-Speed USB
IEEE 802.11b/g/n (Infrastructure mode)*5

Noise (measured in accordance with ISO 7779, declared noise emission in accordance with ISO 9296)

LwAd (Declared A-weighted sound power level (1 B = 10 dB))

MF249dw / MF246dn
During standby mode: Inaudible*6
During printing: 6.6 B or less (1-sided)
During printing: 6.6 B or less (2-sided)
MF237w / MF235
During standby mode: Inaudible*6
During printing: 6.5 B or less (1-sided)

LpAm (Declared A-weighted emission sound pressure level (Bystander position))

MF249dw
During standby mode: Inaudible*6
During printing: Approx. 51 dB (1-sided)
During printing: Approx. 52 dB (2-sided)
MF246dn
During standby mode: Inaudible*6
During printing: Approx. 52 dB (1-sided)
During printing: Approx. 52 dB (2-sided)
MF237w / MF235
During standby mode: Inaudible*6
During printing: Approx. 51 dB (1-sided)

Acceptable Documents

	Platen Glass	Feeder
Size (W x L)	Up to 216 x 297 mm	MF249dw Maximum size:216 x 356 mm Minimum size: 140 x 127 mm MF246dn / MF237w / MF235 Maximum size: 216 x 356 mm Minimum size: 148 x 105 mm
Weight		1-sided documents 50 to 105 g/㎡ 2-sided documents* 60 to 105 g/㎡
Paper Capacity	1 sheet	MF249dw Up to 50 sheets (A4, 80 g/㎡) MF246dn / MF237w / MF235 Up to 35 sheets (A4, 80 g/㎡)

*MF249dw only.

Acceptable Paper Stock

Supported Paper Sizes
Paper sizes that can be loaded in the paper drawer, and the manual feed slot are listed below.

A4 (210 x 297 mm)*1 *2
B5 (182 x 257 mm)
A5 (148 x 210 mm)
Legal (216 x 356 mm)*1
Letter (216 x 279 mm)*1 *2
Statement (140 x 216 mm)
Executive (184 x 267 mm)
Oficio (216 x 318 mm)*1
Oficio (Brazil) (216 x 355 mm)*1
Oficio (Mexico) (216 x 341 mm)*1
Letter (Government) (203 x 267 mm)
Legal (Government) (203 x 330 mm)
Foolscap (216 x 330 mm)*1
Foolscap (Australia) (206 x 338 mm)
Legal (India) (215 x 345 mm)*1
F4A (216 x 343 mm)*1
Envelope No. 10 (COM10) (104.7 x 241.3 mm)
Envelope Monarch (98.4 x 190.5 mm)*3
Envelope C5 (162 x 229 mm)
Envelope DL (110 x 220 mm)
3x5inch (76 x 127 mm)*3
Custom*4

*1 Only in MF249dw / MF246dn, automatic 2-sided printing is available without replacing paper.
*2 The machine can print received fax documents.
*3 You can load Envelope Monarch and 3x5inch only in the manual feed slot.
*4 Custom paper size of 76.2 to 216.0 mm in width and 210 to 356.0 mm in length can be loaded in the paper drawer. Custom paper size of 76.2 to 216.0 mm in width and 127 to 356.0 mm in length can be loaded in the manual feed slot.

Paper Type and Paper Source Capacity
Chlorine-free paper can be used with this machine.

Paper Type		Paper Capacity for Paper Drawer	Paper Capacity for Manual Feed Slot
Plain paper*1	60 to 80 g/㎡	250 sheets	1 sheet
Plain paper*1	81 to 89 g/㎡	170 sheets	1 sheet
Heavy paper*2	90 to 105 g/㎡	170 sheets	1 sheet
Heavy paper*2	106 to 163 g/㎡	100 sheets	1 sheet
Recycled paper*1	60 to 80 g/㎡	250 sheets	1 sheet
Recycled paper*1	81 to 89 g/㎡	170 sheets	1 sheet
Color paper*1	60 to 80 g/㎡	250 sheets	1 sheet
Color paper*1	81 to 89 g/㎡	170 sheets	1 sheet
Bond paper*3	60 to 163 g/㎡	100 sheets	1 sheet
Label		100 sheets	1 sheet
Envelope		20 sheets	1 sheet

*1 Only in MF249dw / MF246dn, automatic 2-sided printing is available without replacing paper.
*2 Only in MF249dw / MF246dn, automatic 2-sided printing is available for heavy paper 1 (90 to 120 g/㎡).
*3 Only in MF249dw / MF246dn, automatic 2-sided printing is available for bond paper 1 (60 to 90 g/㎡) and bond paper 2 (91 to 120 g/㎡).

Printable Range

Printable Area
The shaded areas in the image below indicate the printable area of the document.

Scan Range

The shaded areas in the table below indicate the scan area of the document. Make sure that text and images in your documents fit within the shaded area. The scan area varies depending on the function used and where documents are placed (in the feeder or on the platen glass).

	Platen Glass	Feeder
Copy	The scan area for copying may differ from the printable area.	The scan area for copying may differ from the printable area.
Fax
Scan	Saving in a Computer	Saving in a Computer
Scan	Sending by E-mail/Sending to a File Server (MF249dw / MF246dn)	Sending by E-mail/Sending to a File Server (MF249dw / MF246dn)

*1 The current value displayed on the rating label indicates average current consumption.
*2 Warm-up time may vary depending on the use conditions and environment of the machine.
*3 The value indicates the mass of the main unit including toner cartridges.
*4 MF249dw / MF246dn / MF237w only
*5 MF249dw / MF237w only
*6 Indicates that the sound pressure level of each bystander position is below the ISO 7779 absolute criteria for the background noise level.

Wireless LAN Specifications (MF249dw / MF237w)

Standard	IEEE 802.11g, IEEE 802.11b, IEEE 802.11n
Frequency Range	2,412 to 2,472 MHz
Communication Mode	Infrastructure Mode / Access Point Mode
Security	Infrastructure Mode WEP, WPA-PSK (TKIP/AES-CCMP), WPA2-PSK (TKIP/AES-CCMP) Access Point Mode WPA2-PSK (AES-CCMP)
Connection Method	WPS (Wi-Fi Protected Setup), Manual setup

Copy Specifications

Scan Resolution	Text/Photo (High Speed) 300 x 600 dpi Text/Photo, Photo, Text 600 x 600 dpi
Output Resolution	600 x 600 dpi
Copy Ratio	100% 1:1, 400% Max, 200%, 141% A5->A4, 122% A5->B5, 115% B5->A4, 86% A4->B5, 81% B5->A5, 70% A4->A5, 50%, 25% Min
Copy Speed* (A4 Plain 1:1)	MF249dw / MF246dn 27 cpm MF237w / MF235 23 cpm
Continuous Copying Capacity	Maximum 999 copies
First Copy Time (A4)	Platen glass: 9 seconds or less Feeder: 14 seconds or less

* The copy speed on A4 size plain paper on one-side printing is measured during continuous copying. Copy speeds vary depending on the output resolution, the paper type and size, and the paper feeding direction. Copy speeds on smaller paper sizes may be slower. Plus, the machine may experience downtime or decrease the copy speed in the middle of a continuous copy run to adjust the temperature inside the machine or maintain the optimal print quality.

Fax Specifications

Line Used	Public Switched Telephone Network (PSTN)*1
Communication Mode	Super G3, G3
Compression Method	MH, MR, MMR
Modem Speed	Super G3: 33.6 Kbps, G3: 14.4 Kbps Automatic Fallback
Transmission Speed	Approx. 3 seconds per page*2 (ECM-MMR, transmitting from the memory at 33.6 Kbps)
Sending from Memory/Receiving in Memory	Maximum approx. 256 pages*2 (Total pages of transmission/reception) (Maximum number of fax jobs that can be sent from the memory: 10 jobs/Maximum number of fax jobs that can be received into the memory: 90 jobs)
Fax Resolution	Normal: 200 x 100 dpi Fine: 200 x 200 dpi Photo: 200 x 200 dpi Superfine: 200 x 400 dpi
Dialing	One-touch keys (4 destinations) Coded dialing (100 destinations) Group dialing (103 groups) Address Book dialing Regular dialing (with numeric keys) Automatic redialing Manual redialing Sequential broadcast (114 destinations)
Reports	TX Result Report Communication Management Report (By default, auto output every 40 destinations) RX Result Report
Telephone Type	Handset (optional)/External telephone/External telephone with the built-in answer function/Data modem

*1 Depending on your locale or your telephone connection, you may be unable to perform data communication. In this case, contact your local authorized Canon dealer or the Canon help line.
*2 Based on ITU-T (ITU Telecommunication Standardization Sector) Standard Chart No. 1, MMR standard mode.

Scanner Specifications

Type	Color scanner
Maximum Scan Size	Platen glass: up to 216 x 297 mm Feeder: up to 216 x 356 mm
Scan Resolution	Optical resolution Platen glass: up to 600 x 600 dpi Feeder: up to 300 x 300 dpi Software interpolation resolution 9,600 x 9,600 dpi
Scan Speed* (A4, 300 x 300 dpi)	Color: Approx. 4 seconds/sheet Black and White: Approx. 3 seconds/sheet
Driver	TWAIN WIA 2.0 ICA

* Speed of scanning via the platen glass. The communication time is not included.

Printer Specifications

Output Tray Capacity*1 (a fresh stack of A4 size paper)	Approx. 100 sheets (68 g/㎡)
Print Speed*2 (A4 Plain 1:1)	MF249dw / MF246dn 27 ppm MF237w / MF235 23 ppm
First Print Time*3 (A4)	6 seconds or less
Print Resolution	600 dpi x 600 dpi (1,200 dpi equivalent x 1,200 dpi equivalent)
Gradation	256 gradations
Toner Cartridges	Canon Cartridge 337

*1 May vary depending on the installation environment and paper type used.
*2 The print speed on A4 size plain paper on one-side printing is measured during continuous printing. Print speeds vary depending on the output resolution, the paper type and size, and the paper feeding direction. Print speeds on smaller paper sizes may be slower. Plus, the machine may experience downtime or decrease the print speed in the middle of a continuous print run to adjust the temperature inside the machine or maintain the optimal print quality.
*3 May vary depending on the output environment.

Specifications for E-Mail Sending and Receiving (MF249dw / MF246dn)

Communication Protocol	SMTP, POP3*1
Data Format	PDF, PDF (Compact), JPEG, TIFF
Resolution	JPEG: 300 dpi TIFF (Black and White): 300 dpi (MMR Compression) TIFF (Color): 300 dpi (JPEG Compression) PDF (Black and White): 300 dpi (MMR Compression) PDF (Color): 200 dpi (JPEG Compression) PDF (Compact): Text 300 dpi, Background 150 dpi
System Environment	Windows Vista/7/8/10/Server 2008/Server 2012 Solaris Version 2.6 or later (with Samba 2.2 or later) Mac OS X Red Hat Linux 7.2 or later (with Samba 2.2 or later)
Interface	100BASE-TX, 10BASE-T, IEEE 802.11 b/g/n (Infrastructure mode)*2
Color Mode	Color, Black and White
Inputted Image	Text, Text/Photo, Photo
Paper Size	A4/A5/B5/LTR/LGL/STMT

*1 POP3 can also be used, though limited to when authenticating before sending.
*2 MF249dw only.

Specifications for Scanning to Shared Folders (MF249dw / MF246dn)

Communication Protocol	SMB (TCP/IP)
Data Format	PDF, PDF (Compact), JPEG, TIFF
Resolution	JPEG: 300 dpi TIFF (Black and White): 300 dpi (MMR Compression) TIFF (Color): 300 dpi (JPEG Compression) PDF (Black and White): 300 dpi (MMR Compression) PDF (Color): 200 dpi (JPEG Compression) PDF (Compact): Text 300 dpi, Background 150 dpi
System Environment	Windows Vista/7/8/10/Server 2008/Server 2012 Solaris Version 2.6 or later (with Samba 2.2 or later) Mac OS X Red Hat Linux 7.2 or later (with Samba 2.2 or later)
Interface	100BASE-TX, 10BASE-T, IEEE 802.11 b/g/n (Infrastructure mode)*
Color Mode	Color, Black and White
Inputted Image	Text, Text/Photo, Photo
Paper Size	A4/A5/B5/LTR/LGL/STMT

* MF249dw only.

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