Brother MFC-7420 User Manual

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Safety precautions
We use the following icons throughout this User’s Guide.
To use the machine safely
Please keep these instructions for later reference and read them before attempting any
maintenance.
Note
(For MFC-7420) If there are faxes in the machine’s memory, you need to print them or save them
before you turn off the power and unplug the machine. (To print the faxes in memory, see Printing
a fax from the memory on page 4-4. To save the faxes in memory, see Forwarding faxes to
another fax machine on page 11-5 or Transferring faxes to your PC on page 11-5.)
Warnings tell you what to do to prevent possible personal injury.
Electrical Hazard icons alert you to a possible electrical shock.
Hot Surface icons warn you not to touch machine parts that are hot.
Cautions specify procedures you must follow or avoid to prevent possible damage
to the machine or other objects.
Improper Setup icons alerts you to devices and operations that are not compatible
with the machine.
Notes tell you how you should respond to a situation that may arise or give tips about
how the operation works with other features.
WARNING
There are high voltage electrodes inside the machine. Before you
clean the inside of the machine, make sure you have unplugged
the telephone line cord first and then the power cord from the
electrical socket.
Do not handle the plug with wet hands. Doing this might cause an
electrical shock.

Brother MFC-7420 Specifications

General

Print technology	Laser
Maximum resolution	600 x 2400 DPI
Time to first page (black, normal)	10 s
Print speed (black, normal quality, A4/US Letter)	20 ppm
Maximum print size	210 x 297 mm
Maximum ISO A-series paper size	A4
Scanner type	Flatbed scanner
Grayscale levels	64
Input color depth	24 bit
Maximum scan resolution	9600 x 9600 DPI
Maximum copy resolution	600 x 300 DPI
Copy speed (black, normal quality, A4)	20 cpm
Faxing	Mono faxing
Fax memory	400 pages
Modem speed	14.4 Kbit/s
Auto-redialing	Yes
Fax speed dialing (max numbers)	200
Total input capacity	250 sheets
Auto document feeder (ADF) input capacity	35 sheets
Internal memory	16 MB
Sound pressure level (printing)	53 dB
Dimensions (WxDxH)	432 x 395 x 294 mm
All-in-one functions	Fax, Scan
Standard media sizes	A4, LTR, EXE, A5, A6, B5, B6
Media types supported	Plain, Recycled, Envelopes, Transparency, Bond, Labels
Color all-in-one functions	scan, n
Compatible operating systems	Windows 98/98SE/Me/2000/NT/XP Mac OS 9.1-9.2 + Mac OS X 10.2.4
Standard interfaces	Parallel, USB 2.0
Parallel ports quantity	1
Maximum duty cycle	10000 pages per month
Operating relative humidity (H-H)	20 - 80 %
Package weight	14500 g
Market positioning	Home & office