Fax

Fax

Compatibility

ITU-T Group 3

Coding System

MH/MR/MMR (MFC-7340)

MH/MR/MMR/JBIG (MFC-7450 and MFC-7840N)

Modem Speed

Automatic Fallback:

14,400 bps (MFC-7340)

33,600 bps (MFC-7450 and MFC-7840N)

Document Size

ADF Width:

148 to 215.9 mm

ADF Length:

148 to 355.6 mm

Scanner Glass Width:

Max. 215.9 mm

Scanner Glass Length:

Max. 297 mm

Scanning Width

Max. 208 mm

Printing Width

Max. 208 mm

Greyscale

256 levels

Polling Types

Standard, Secure, Timer, Sequential

Polling Transmit Types

Standard, Secure

Contrast Control

Automatic/Light/Dark (manual setting)

Resolution

Horizontal:

8 dot/mm

Vertical

•

Standard:

3.85 line/mm

•

Fine:

7.7 line/mm

•

Photo:

7.7 line/mm

•	Superfine:

15.4 line/mm

One Touch Dial

8 (4 × 2)

Speed Dial

200 stations

Groups

Up to 8

Broadcasting

258 stations

Automatic Redial

3 times at 5 minute intervals

Ring Delay

0, 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10 rings

Communication Source

Public switched telephone network

Memory Transmission

Up to 500¹/400² pages (MFC-7340)

Up to 600³/500⁴ pages (MFC-7450 and MFC-7840N)

Out of Paper Reception

Up to 500¹/400² pages (MFC-7340)

Up to 600³/500⁴ pages (MFC-7450 and MFC-7840N)

¹	‘Pages’ refers to the ‘Brother Standard Chart No. 1’ (a typical business letter, Standard resolution, MMR code). Specifications and printed materials are subject to change without prior notice.
²	‘Pages’ refers to the ‘ITU-T Test Chart #1’ (a typical business letter, Standard resolution, MMR code). Specifications and printed materials are subject to change without prior notice.
³	‘Pages’ refers to the ‘Brother Standard Chart No. 1’ (a typical business letter, Standard resolution, JBIG code). Specifications and printed materials are subject to change without prior notice.
⁴	‘Pages’ refers to the ‘ITU-T Test Chart #1’ (a typical business letter, Standard resolution, JBIG code). Specifications and printed materials are subject to change without prior notice.