Brother MFC-8480DN Service Manual

8-4
Confidential
■ NCU PCB circuit diagram : USA/Canada
Fig. 8-4
+
+
-
+
+
+
-
R27
4.7k
C16
C470
6.3V
+5V
REF
C4
C103
GND
U1
BA10358
6
5
7
GND
6B
TELSL
@C17
C104
@R21
24k
@C14
C471
@R15
150k
REF
R23
3.3k
GND
@C15
C104
C7
C104
C5
C2.250V
@C9
C221
@C10
C471
@R8
510
@R19
2.7k
@R17
150k
GND
R16
100k
6B
RL1
@R13
3.3k
R25
620
REF
GND
R18
620
@C18
C221
GND
@R24
2.7k
@C6
C10
+5V
C8
C104
R28
100k
R14 100k
R10
2.7k
C19
C222
U1
BA10358
4
2
3
1
8
@C12
C101
GND
@R9
150
REF
R12
100k
@R22
24k
D7
1SS120
PH2
TLP320
AK1
AK2
E
C
@C3
C10
35V
@PH1
PS2533-1
A
K
E
C
D3
1SS120
R7 100
2W
GND
D5
RA-242M-C6
R6
6.2k
@D1
ERA15-04
D4
RA-351M-V6-2
@D2
S1ZB60
A1
-
A2
+
@R1
120 2W
R2
24k
FG
6B
CI
GND
+24V
R5
6.2k
C1
C474
250V
PH3
TLP421
A
K
E
C
@T1
BT-17
GND
R4
6.2k
6B
SL
R11
4.3k
5A
SL
GND
2C
TELRL
2A
CML
2B
PLS
5B
RL1
+24V
3D
TELSL
2C
TELOFF
4B
CI
+5V
@J3
285D-D440J-111
1
XX
2
XX
3
XX
4
XX
5
GND
6
GND
+5V
@Q1
C5395
C
B
E
6B
TELOFF
6B
CML
GND
6B
TELRL
@R20
100
@C13
C470
10V
GND
+5V
GNDFG
6C
PLS
J2
R41-4910-A
3
XX
4
XX
7
FG
8
FG
J1
R41-4910-A
3
XX
4
XX
7
FG
8
FG
NC
NC
NC
NC
C11
C101
L8
L1
L3
L2
@L4
@L7
@L6
@L5
C2
C102
P1
B11B-PH-K-S
1
PLS
2
RL1
3
SL
4
+5V
5
TELOFF
6
GND
7
CI
8
CML
9
+24V
10
TELSL
11
TELRL
NC
SW1
A5X-24E-908
1
2
12
11
7
R3
24k
D6
RA-242M-C6
C102
C104
C103
C104
C104
C104
C101
C104
JW1
JW2
GND GND
JW3
JW4
+
+
(LINE)
(EXT)
(H.S)
FB
US CAN
FB
US
SF
CAN
SF
These components are mounted for SF Models only.

Brother MFC-8480DN Specifications

General

Print technology	Laser
Maximum resolution	1200 x 1200 DPI
Economical printing	Yes
Print speed (black, normal quality, A4/US Letter)	32 ppm
Grayscale levels	256
Input color depth	48 bit
Image formats supported	BMP, JPG, TIF
Maximum scan resolution	19200 x 19200 DPI
Optical scanning resolution	600 x 2400 DPI
Copier resize	25 - 400 %
Maximum number of copies	99 copies
Copy speed (black, normal quality, A4)	32 cpm
Faxing	Mono faxing
Fax memory	600 pages
Modem speed	33.6 Kbit/s
Power supply type	AC
Weight (imperial)	40.3 lbs
Dimensions (WxDxH)	530.8 x 449.5 x 474.9 mm
Power requirements	110 - 240V, 50/60 Hz
All-in-one functions	Copy, Fax, Scan
Standard media sizes	2.75'' - 8.5\
Maximum internal memory	0.576 GB
Color all-in-one functions	scan, n
Compatible operating systems	Windows OS Mac OS
Package dimensions (W x D x H)	24.7 x 22.3 x 22.6 \
Total input capacity	250 sheets
Total output capacity	150 sheets
Auto document feeder (ADF) input capacity	50 sheets
Display	LCD
Market positioning	Business
Internal memory	64 MB
Sound pressure level (copying)	56 dB
Sound pressure level (printing)	30 dB
Maximum print size	216 x 356 mm
Paper tray media types	Bond paper, Envelopes, Plain paper, Recycled paper, Transparencies
Non-ISO print media sizes	Executive
ISO A-series sizes (A0...A9)	A4, A5, A6
ISO B-series sizes (B0...B9)	B5, B6
Maximum ISO A-series paper size	A4
Supported network protocols (IPv4)	ARP, RARP, BOOTP, DHCP, APIPA, LLMNR, LPR/LPD, IPP/IPPS, FTP, HTTP/HTTPS, SSL/TLS, TFTP, SMTP, APOP, POP, SMTP, SMTP-AUTH, SNMPv1/v2c/v3, ICMP, LLTD, CIFS, SNTP, NDP, RA, DNS, mDNS, ICMPv6
Standard interfaces	USB 2.0
USB 2.0 ports quantity	1
Power consumption (standby)	18 W
Power consumption (average operating)	680 W
Package weight	21645 g
Sustainability certificates	ENERGY STAR
Maximum duty cycle	30000 pages per month
Recommended duty cycle	3500 pages per month
Operating temperature (T-T)	10 - 32.2 °C
Operating relative humidity (H-H)	20 - 80 %