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MFC-8460N
Service manual
Brother MFC-8460N Service Manual page 455
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Also See for MFC-8460N
:
Servise manual
(495 pages)
,
Software user's manual
(194 pages)
,
User manual
(182 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Advertisement
CN20-9
+24V
-8
T1_SOL
-7
REG_SOL
-6
RELAY_
MP_SOL
-5
FRONT
+5V
-4
PNEW_SEN
-3
TNR_SEN
-2
S0V
-1
F_COV_SEN
CN23-6
THM_EDGE
-5
THM_CENTER
-4
VDD3
RELAY_
-3
PO_SEN
REAR
-2
DX_UNIT_SEN
-1
S0V
CN24-2
DX_SOL
DX_SOL
-1
+24V
CN14-8
BD
-7
LD_MON
-6
PWNENB
-5
LDFALF
LD
-4
+5V
-3
DATA
-2
GND
-1
+5VI
CN7-6
RESET_N
-5
RXD
-4
TXD
PANEL
-3
GND
-2
+3.3V
-1
+5VI
CN11-2
VOUT1
SPEAKER
-1
VOUT2
CN9-2
+3.3V
THERMISTOR
-1
STHM
CN25-2
GND
FB-COVER
-1
FB_COVER
CN1-6
FG
-5
GND
-4
WIRELESS
DATA-
-3
DATA+
LAN
-2
+5V
-1
FG
MFC-8870DW only
CN19-20
VOR
-19
AGND
-18
VOG
-17
AGND
-16
VOB
-15
AGND
-14
CCD24V
-13
SW1
-12
CCD
SW2
-11
SH
-10
DGND
-9
RS
-8
DGND
-7
PH1
-6
DGND
-5
PH2
-4
+5V
-3
CP
-2
IGND
-1
I24V
MOTOR DRIVER
ADF
MOTOR
Parallel
USB
LAN
Interface
CN29
CN18
CN27
Main PCB
NCU
FB
MOTOR
DIMM
CN17
MFC-8870DW
MFC-8860DN
DCP-8065DN only
PICK_SOL
ADF RELAY
FSEN2
+3.3V
SBSEN
+3.3V
SWITCH
FSEN RSEN
BACK
SOL
CN18-8
LT2_DET2
-7
LT1_DET1
-6
LT1_PEDG
-5
LT1_PE
-4
LT(OPT)
+3.3V
-3
LT1_SOL
-2
+24V
-1
24VRET
CN5-10
HEATERONN2
-9
HEATERONN1
-8
S0V
-7
+3.3V
-6
+8V
LVPS
-5
+24V
-4
+24V
-3
24VRET
-2
24VRET
-1
RELAYOFFN
CN12-22
VCC24
-21
FB_VCLN
-20
FB_GRID
-19
GRIDC
-18
FB_DEV
-17
S0V
-16
PWM_DEV
-15
PWM_CHG
-14
/TRCV
-13
FB_TR
-12
FB_TRCCV
HVPS
-11
24RET
-10
PWN_TRCC
-9
REG_REAR_SEN
-8
REG_FRONT_SEN
-7
MP_PE_SEN
-6
PEDG_SEN
-5
T1_PE_SEN
-4
TNRLED
-3
FAN_MAIN
-2
FAN_PS
-1
VCC3.3V
CN6-19
HU+
-18
HU-
-17
HV+
-16
HV-
-15
HW+
-14
HW-
-13
+5V
-12
S0V
MAIN
-11
U
-10
MOTOR
U
-9
DRIVER
U
-8
V
-7
V
-6
V
-5
W
-4
W
-3
W
-2
FG+
-1
FG-
CN4-14
HU+
-13
HU-
-12
HV+
-11
HV-
-10
HW+
-9
HW-
SCANNER
-8
+5V
MOTOR
-7
S0V
DRIVER
-6
U
-5
U
-4
V
-3
V
-2
W
-1
W
CN16-3
SEN_FBHOME
HOME
-2
GND
-1
POSITION
+3.3V
CN8-2
COUNT
COUNTER
-1
+24V
CN22-2
BAT_N
BATTRY
-1
BAT_P
CN3-3
SEN_STACK
STACK
-2
GND
SENSOR
-1
+3.3V
PICK
CN5-2
+24V
-1
SOL
CN3-3
-2
FSEN2
0V
-1
CN2-3
-2
SBSEN
0V
-1
Confidential
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Chapters
Table of Contents
5
Chapter 3 Theory of Operation
64
Disassembly/Reassembly (Lt-5300)
98
Chapter 6 Adjustments and Updating of Settings, Required After Parts Replacement
245
Chapter 8 Maintenance Mode
293
Chapter 9 Error Indication and Troubleshooting
323
Table of Contents
Troubleshooting
troubleshooting
322
TROUBLESHOOTING
339
Troubleshooting Based on Problem Type
340
Troubleshooting of the control panel
380
Troubleshooting of fax functions
382
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This manual is also suitable for:
Dcp-8060
Mfc-8860dn
Mfc-8870dw
Dcp-8065dn
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