Specifications – Brother MFC 7550MC User Manual
Page 224
SPECIFICATIONS
17-2
MFC 4550/6550MC/7550MC
OP-US-5.0
<Fax Specifications>
Compatibility
ITU-TS
Group
3
Coding system
M H / M R / M M R
Modem speed
14400/12000/9600/7200/4800/2400;
Automatic
Fallback
Document input width
148
mm
to
216
mm
(5.8
inches
to
8.5
inches)
Scanning/Printing width
208
mm
(8.2
inches)
Paper size
Letter/Legal/A4
Multipurpose sheet feeder
200
sheets
(20
lbs)
Gray scale
64
levels
Polling types
Standard,
Delay,
Sequential
Contrast control
Automatic/Super
Light/Super
Dark
(manual
setting)
Resolution
•
Horizontal
8
dot/mm
(203
dot/inch)
•
Vertical Standard
3.85
line/mm
(98
line/inch)
Fine,
Photo
7.7
line/mm
(196
line/inch)
Superfine,
Photo
(copy)
15.4
line/mm
(392
line/inch)
One-touch dial
24
stations
Speed-dial
100
stations
(7550MC),
36
stations
(4550/6550MC)
Automatic redial
3
times
at
5
minutes
intervals
Speaker type
Monitor
Auto answer
0,
1,
2,
3
or
4
rings
Communication source
Public
switched
telephone
network
<Electrical and Environment>
Temperature
(Allowable) 50
-
90.5
°
F
(10
-
32.5
°
C)
(Storage)
38
-
104
°
F
(3.3
-
40
°
C)
Warm-up
Max.
1
minute
at
23
°
C
(73.4
°
F)
First Print
20
seconds
(when
loading
the
Letter
size
paper
from
the
multipurpose
sheet
feeder)
Power Source
120V
AC
50/60Hz
(U.S.A.,
Canadian
Version
Only)
Power Consumption
Operating
(Copying):
160
W
or
less
(25
°
C)
Sleep
Mode: 9
W
or
less
Stand
by:
30
W
or
less
(25
°
C)
Noise
Operating:
50
dB
A
or
less
Stand-by:
39
dB
A
or
less
Humidity
Operating:
35
to
80%
(without
condensation)
Storage:
20
to
80%
(without
condensation)
Dimensions
383
x
452
x
251
(mm)/15.1
x
17.8
x
9.9
(inches)
Weight
8.5
kg/18.8
lbs