Brother
Office

Model # MFC7420 Official Brother fax machine

Here are the diagrams and repair parts for Official Brother MFC7420 fax machine, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Model diagram and schematic

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Showing 10 of 75 parts  |

Tel Cable LG3077001
#NI

Frame assy diagram

Tel cable

Part #LG3077001

The manufacturer no longer makes this part, and there's no substitute part

Bushing UF9949001
#1-19

Adf diagram

Bushing

Part #UF9949001

The manufacturer no longer makes this part, and there's no substitute part

Fuser Unit LM4573001
#1

Fixing assy diagram

Fuser unit

Part #LM4573001

The manufacturer no longer makes this part, and there's no substitute part

Roller LM4013001
#1-5

Fixing assy diagram

Roller

Part #LM4013001

The manufacturer no longer makes this part, and there's no substitute part

Binder LJ8657001
#5

Pcb diagram

Binder

Part #LJ8657001

The manufacturer no longer makes this part, and there's no substitute part

Ncu Pcb Assy LG5857001
#3

Pcb diagram

Ncu pcb assy

Part #LG5857001

The manufacturer no longer makes this part, and there's no substitute part

Proces Unit Op Label LF6526001
#21

Cover assy diagram

Proces unit op label

Part #LF6526001

The manufacturer no longer makes this part, and there's no substitute part

Separation Rubber LF7135001
#1171

Adf diagram

Separation rubber

Part #LF7135001

The manufacturer no longer makes this part, and there's no substitute part

Reg.front Actuator LM4282001
#8

Frame assy diagram

Reg.front actuator

Part #LM4282001

The manufacturer no longer makes this part, and there's no substitute part

Screw 085411216
Screw

Part #085411216

The manufacturer no longer makes this part, and there's no substitute part

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How to replace a refrigerator defrost control assembly

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Repair difficulty
Time required
 120 minutes or less

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