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Brother MFC 7420 Parts List and Parts Diagrams

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November 12, 2018

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Brother MFC 7420 Parts List and Part Diagrams

Below you will find the Brother MFC 7420 Part List and Parts Diagrams. If the part is highlighted and the part your looking for then click on it to find up to date pricing and buying options. 

Warning, these parts are for several different models of machines. Typically the mechanical parts are universal. However, electrical parts may differ from model to model and voltage type. Make sure the parts match the machine you are working on.

Brother MFC 7420 Common Repair Parts

1 LM6331001 1 PAPER TRAY ASSY, GRAY(1581), DCP7020, MFC7420 CHG
1 LM6331002 1 PAPER TRAY ASSY, GRAY(1736), MFC7820N CHG
1 LM6721001K 1 FUSER UNIT 115V I-10/5 (SP) √ CHG
1 LM6722001K 1 FUSER UNIT 115V S-10/5 (SP) √ CHG
2 LM6291001 1 PAPER FEEDING KIT CHG
 

Brother MFC 7420 Frame Unit Parts List

1 LF9386001 1 MAIN FRAME L ASSY-S, DCP7020, MFC7420 del
1 LS3983001 1 MAIN FRAME L ASSY, DCP7020, MFC7420 CHG
1 LX2538001 1 MAIN FRAME L ASSY-SV, DCP7020, MFC7420 CHG
1 LF9387001 1 MAIN FRAME L ASSY-S, MFC7820N del
1 LS3984001 1 MAIN FRAME L ASSY, MFC7820N CHG
1 LX2537001 1 MAIN FRAME L ASSY-SV, MFC7820N CHG
1-1 LM4227001 1 DEVELOP JOINT
1-2 LM4341001 1 MAIN MOTOR ASSY
1-3 087320616 3 TAPTITE CUP S M3X6
1-4 LM4238001 1 P/R SOLENOID ASSY chg
1-4-1 LU7353001 1 SOL DAMPER SHEET add
1-5 LM4234001 1 F/R SOLENOID ASSY chg
1-6 LJ9740001 1 TONER SENSOR PCB ASSY
1-7 LG5845001 1 COVER SENSOR ASSY
1-8 LM4260001 1 NEW TONER ACTUATOR
1-9 LM4261001 1 NEW TONER ACTUATOR SPRING
1-10 LG5832001 1 NEW TONER SENSOR ASSY
1-11 LG5834001 1 THERMISTOR ASSY add
1-12 LM6480001 1 PINCH SPRING L chg
1-13 LJ9744001 1 THERMISTOR RELAY HARNESS add
1-13 LM9014001 1 THERMISTOR RELAY HARNESS-S del
1-14 LJ9745001 1 THERMISTOR HARNESS JOINT add
1-14 LM9013001 1 THERMISTOR HARNESS JOINT-S del
1-15 LM4225001 1 DEVELOP DRIVE GEAR add
1-16 LM4633001 1 SOLENOID RELEASE SPRING ALL add
1-17 LM4249001 1 DRIVE RELEASE CAM add
1-18 LM4733001 1 MAIN FRAME L SUB ASSY (WITHOUT GEARS) add
1-19 LT0974001 1 THERMISTOR HARNESS UNIT add
2 LF6856001 1 FAN MOTOR 60 UNIT
3 LJ9747001 1 TONER LED PCB ASSY
4 LM4267001 1 LED HOLDER
5 LJ7403001 2 RUBBER FOOT
6 LM4275001 1 SUB CHUTE ASSY
7 085411216 2 TAPTITE BIND B M4X12
8 LM4282001 1 REGIST FRONT ACTUATOR
9 LM4283001 1 TAIL EDGE ACTUATOR
10 LJ9751001 1 REGIST SENSOR PCB ASSY
11 LM4285001 1 REGIST FRONT SPRING
12 LU0922001 1 FILTER 2 ASSY chg
13 LM4300001 1 PICKUP ROLLER HOLDER ASSY
14 LM6482001 1 LINK LEVER chg
15 LM4284001 1 REGIST REAR ACTUATOR
16 LM4286001 1 REGIST REAR SPRING
17 LM4287001 1 TAIL EDGE SPRING add
18 LM6481001 1 PINCH SPRING R chg
19 LJ7432001 1 CLEANER PINCH ROLLER ASSY L add
20 N/A
21 LM4357001 2 TRANSFER ARM add
22 LM4358001 2 TRANSFER ARM SPRING add
23 LM4595001 1 ANTI-STATIC BRUSH ALL JPS add
24 LU1323001 1 RUBBER SPACER ALL ADD

Brother MFC 7420 Laser Unit Parts List

1 LM4578001 1 LASER UNIT(SP)
2 LJ0908001 1 LASER CAUTION LABEL

Brother MFC 7420 Cassette Unit Parts List

1 LM6331001 1 PAPER TRAY ASSY, GRAY(1581), DCP7020, MFC7420 CHG
1 LM6331002 1 PAPER TRAY ASSY, GRAY(1736), MFC7820N CHG
1-1 LM4146001 1 SEPARATION PAD SPRING
1-2 LM4143001 1 SEPARATION PAD HOLDER ASSY

Brother MFC 7420 Fusing Assembly Parts List

1 LM6721001K 1 FUSER UNIT 115V I-10/5 (SP) √ CHG
1 LM6722001K 1 FUSER UNIT 115V S-10/5 (SP) √ CHG
1 LM4960001K 1 FUSER UNIT 230V I-10/5 (SP) FOR BRA √ del
1 LM4962001K 1 FUSER UNIT 230V S-10/5 (SP) FOR BRA √ del
1-1 LM4009001 1 HEAT ROLLER
1-2 LM4010001 1 HR GEAR
1-3 LM4011001 2 HR BUSH DEL
1-4 LM4012001 1 HALOGEN HEATER 115V
1-4 LM4022001 1 HALOGEN HEATER 230V FOR BRA del
1-5 LM4013001 1 PRESSURE ROLLER
1-6 LM4865001 1 THERMISTOR ASSY-S chg
1-7 LM4994001 4 SEPARATE CLAW ASSY 10/1 chg
1-8 LM3855001 6 SCREW, PAN (S/P WASHER) M3X8
1-9 087311216 1 TAPTITE CUP B M3X12
1-10 LM4997001 1 SEPARATE CLAW ASSY 10/2 del
1-11 LM6305001 1 THERMISTOR CLEANER ASSY2 chg
1-12 087310816 1 TAPTITE CUP B M3X8 del
1-13 LM6735001 1 HR BUSH L ADD
1-14 LM6736001 1 HR BHSH R ADD

Brother MFC 7420 Covers Part List

1 LF9873001 1 JOINT COVER ASSY, GRAY(1581), DCP7020 chg
1 LF9871001 1 JOINT COVER ASSY, GRAY(1581), MFC7420 chg
1 LF9871002 1 JOINT COVER ASSY, GRAY(1736), MFC7820N chg
1-1 LM4105001 1 EJECT ROLLER ASSY add
1-2 LM4108001 1 BUSH L add
1-3 LM4107001 1 BUSH R add
2 085411216 9 TAPTITE BIND B M4X12
3 LF6136001 1 INNER CHUTE, GRAY(1581), DCP7020, MFC7420
3 LF6136002 1 INNER CHUTE, GRAY(1736), MFC7820N
4 LG5842001 1 SPEAKER ASSY
5 LF6630001 1 SPEAKER COVER, GRAY(1581), DCP7020, MFC7420
5 LF6630002 1 SPEAKER COVER, GRAY(1736), MFC7820N
6 LF6137001 1 SIDE COVER L, GRAY(1581), DCP7020, MFC7420
6 LF6248002 1 SIDE COVER L, GRAY(1736), MFC7820N
7 LF6138001 1 SIDE COVER R, GRAY(1581), DCP7020, MFC7420
7 LF6138002 1 SIDE COVER R, GRAY(1736), MFC7820N
8 LF9412001 1 REAR COVER, GRAY(1581), DCP7020, MFC7420 chg
8 LF9412002 1 REAR COVER, GRAY(1736), MFC7820N chg
9 LM6321001 1 REAR CHUTE COVER ASSY CHG
10 LM6320001 1 PAPER EJECT ACTUATOR3 chg
11 LM6309001 1 EJECT ACTUATOR SPRING3 chg
12 LF6140001 1 FRONT COVER ASSY, GRAY(1581), DCP7020, MFC7420
12 LF6140002 1 FRONT COVER ASSY, GRAY(1736), MFC7820N
13 LF6143001 1 PAPER STOPPER L, GRAY(1581), DCP7020, MFC7420
13 LF6143002 1 PAPER STOPPER L, GRAY(1736), MFC7820N
14 LF6144001 1 PAPER STOPPER S, GRAY(1581), DCP7020, MFC7420
14 LF6144002 1 PAPER STOPPER S, GRAY(1736), MFC7820N
15 LF6145001 1 PULL ARM L
16 LF6146001 1 PULL ARM R
17 LF6147001 2 PULL ARM GUIDE
18 LF6148001 2 LOCK CLAW
19 LF6149001 2 PULL ARM SPRING
20 LM4162001 1 BROTHER EMBLEM, DCP7020, MFC7420
20 LM4162002 1 BROTHER EMBLEM, MFC7820N
21 LP2695001 1 PROCESS U OP LABEL 2 chg
22 LM7050001 1 HEATER CAUTION LABEL 2 chg
23 LF6745001 2 CORD HOOK, MFC7420, MFC7820N
24 —– NOT USED
25 —– N/A chg
26 —– N/A chg
27 LM6598001 1 PINCH ROLLER SP ASSY 3 chg
28 LM4568001 1 REAR COVER STOPPER add
29 085411216 1 TAPTITE BIND B M4X12 add
30 LU0233001 1 CAUTION LABEL S 13X40 add

Brother MFC 7420 Document Scanner Parts List

1 LP2370001 1 SCANNER UNIT(SP), GRAY(1581), DCP7020, MFC7420 CHG
1 LP2370002 1 SCANNER UNIT(SP), GRAY(1736), MFC7820N CHG

Brother MFC 7420 ADF Unit Parts List

1 LS0936001 1 ADF UNIT (SP), DCP7020, MFC7420 **  CHG
1 LS0936002 1 ADF UNIT (SP), MFC7820N **  CHG
1-1 LS0265001 1 DOCUMENT COVER SUB ASSY, GRAY(1581), DCP7020, MFC7420 * chg
1-1 LS0265002 1 DOCUMENT COVER SUB ASSY, GRAY(1736), MFC7820N * chg
1-1-1 LF6864001 3 PRESSURE ROLLER FILM
1-1-2 LE9733001 2 PRESSURE ROLLER
1-1-3 LE2471001 1 PRESSURE ROLLER SHAFT
1-1-4 UL6244002 2 EJECTION ROLLER
1-1-5 LE9735001 1 PRESSURE ROLLER SHAFT
1-1-6 LE6206001 1 EJECTION SPRING
1-1-7 LF6165001 1 HINGE ARM
1-1-8 LF6166001 1 DOCUMENT STOPPER, GRAY(1581), DCP7020, MFC7420
1-1-8 LF6166002 1 DOCUMENT STOPPER, GRAY(1736), MFC7820N
1-2 LF6168001 1 LOWER DOCUMENT CHUTE
1-3 LF6865001 1 LOWER DOCUMENT CHUTE FILM
1-4 LS0268001 1 DRIVE FRAME ASSY * chg
1-4-1 LF6172001 1 ADF MOTOR ALL
1-5 087311016 2 TAPTITE CUP B M3X10
1-6 087320616 1 TAPTITE CUP S M3X6
1-7 LG5847001 1 ADF SENSOR PCB ASSY
1-8 LF5217001 1 ACTUATOR, R
1-9 LF4967001 1 ACTUATOR, F
1-10 LF6577001 1 EJECTION ROLLER ASSY
1-11 LF4230001 1 BUSHING
1-12 LF6579001 1 LF ROLLER ASSY
1-13 UF0026001 1 RESIN BUSHING
1-14 LF5225001 1 DOCUMENT HOLD chg
1-15 LF5226001 1 DOCUMENT HOLD SPRING
1-16 087311016 6 TAPTITE CUP B M3X10
1-17 LF6173001 1 UPPER DOCUMENT CHUTE ASSY
1-17-1 LF7135001 1 SEPARATION RUBBER
1-18 LF6582001 1 SEPARATE ROLLER SHAFT ASSY
1-19 UF9949001 1 SEPARATE ROLLER BUSHING
1-20 LF6177001 1 GEAR COVER, GRAY(1581), DCP7020, MFC7420
1-20 LF6177002 1 GEAR COVER, GRAY(1736), MFC7820N
1-21 LF6179001 1 ADF COVER, GRAY(1581), DCP7020, MFC7420
1-21 LF6179002 1 ADF COVER, GRAY(1736), MFC7820N
1-22 LE2472001 2 LF SPRING
1-23 UF9009001 2 PRESSER ROLLER
1-24 LE2471001 1 PRESSURE ROLLER SHAFT
2 LF6846001 1 HINGE ASSY L
3 087311016 2 TAPTITE CUP B M3X10 chg
4 LF4976002 1 HINGE
5 085411216 1 TAPTITE BIND B M4X12
6 087321217 1 TAPTITE CUP S M3X12 * ** add

Brother MFC 7420 Control Panel Parts List

1 LF6270001 1 PANEL UNIT, GRAY(1581), DCP7020
1 LF6181001 1 PANEL UNIT, GRAY(1581), MFC7420 FOR US/CAN
1 LF6249002 1 PANEL UNIT, GRAY(1736), MFC7820N FOR US/CAN
1 LF6805001 1 PANEL UNIT, GRAY(1581), MFC7420 FOR BRA
1 LF6989001 1 PANEL UNIT, GRAY(1736), MFC7820N FOR BRA
1-1 LF6261001 1 RUBBER KEY, PRINTED, DCP7020
1-1 LF6184001 1 RUBBER KEY, PRINTED, MFC7420, MFC7820N
1-2 LG5917001 1 PANEL PCB ASSY, DCP7020 B53K796
1-2 LG5114001 1 PANEL PCB ASSY, MFC7420 B53K788
1-2 LG5114002 1 PANEL PCB ASSY, MFC7820N B53K788
1-3 LF6263001 1 LCD SHEET, DCP7020 √
1-4 LF6186001 1 LCD SHEET, MFC7420 √
1-4 LF6251001 1 LCD SHEET, MFC7820N √
1-5 LG6348001 1 LCD, DCP7020, MFC7420 chg
1-5 LG6347001 1 LCD, MFC7820N chg
(1-6) 085310816 2 TAPTITE BIND B M3X8, DCP7020
1-7 LF6188001 1 DIFFUSION FILM, MFC7820N
1-8 LF6189001 1 BACKLIGHT GUIDE, MFC7820N
2 087311016 4 TAPTITE CUP B M3X10
3 LF6272001 1 PRINTED DCP COVER, DCP7020
4 LF6190001 1 ADDRESS LABEL, MFC7420, MFC7820N
5 LU0234001 1 CAUTION LABEL S 30X30 ADD

Brother MFC 7420 Boards Parts List

1 LG5922001 1 MAIN PCB ASSY, DCP7020  B53K774
1 LG6432001 1 MAIN PCB ASSY-S, DCP7020  B53K774 add
1 LG6655001 1 MAIN PCB ASSY-SV, DCP7020  B53K834 add
1 LG5861001 1 MAIN PCB ASSY, MFC7420 FOR US/CAN  B53K774
1 LG6431001 1 MAIN PCB ASSY-S, MFC7420 FOR US/CAN  B53K774 add
1 LG6654001 1 MAIN PCB ASSY-SV, MFC7420 FOR US/CAN  B53K834 add
1 LG5918001 1 MAIN PCB ASSY, MFC7820N FOR US/CAN  B53K790
1 LG6430001 1 MAIN PCB ASSY-S, MFC7820N FOR US/CAN  B53K790 add
1 LG6798001 1 MAIN PCB ASSY-SV, MFC7820N FOR US/CAN  B53K835 add
1 LG5861004 1 MAIN PCB ASSY, MFC7420 FOR BRA  B53K774
1 LG6431004 1 MAIN PCB ASSY-S, MFC7420 FOR BRA  B53K774 add
1 LG6654004 1 MAIN PCB ASSY-SV, MFC7420 FOR BRA  B53K834 add
1 LG5918004 1 MAIN PCB ASSY, MFC7820N FOR BRA  B53K790
1 LG6430004 1 MAIN PCB ASSY-S, MFC7820N FOR BRA  B53K790 add
1 LG6798004 1 MAIN PCB ASSY-SV, MFC7820N FOR BRA  B53K834 add
2 LG5921001 1 BATTERY ASSY, MFC7820N
3 LT0866001 1 NCU PCB ASSY, MFC7420 FOR US  B57T013 CHG
3 LT0867001 1 NCU PCB ASSY, MFC7820N FOR US  B57T013 CHG
3 LT0866002 1 NCU PCB ASSY, MFC7420 FOR CAN  B57T013 CHG
3 LT0867002 1 NCU PCB ASSY, MFC7820N FOR CAN  B57T013 CHG
3 LG6190003 1 NCU PCB ASSY, MFC7420 FOR BRA  B53K786 chg
3 LG6190004 1 NCU PCB ASSY, MFC7820N FOR BRA  B53K786 chg
4 LG5871001 1 PS PCB UNIT, 115V FOR US/CAN/BRA chg
4 LG6191001 1 PS PCB UNIT FOR BRA del
5 LJ8657001 1 BINDER 2.3X79
6 LJ9708001 1 HIGH-VOLTAGE PS PCB ASSY

Brother MFC 7420 PF Kit Parts List

1 LM4726001 1 CHECK JIG
2 LM6291001 1 PAPER FEEDING KIT CHG