Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
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:

  • Click a diagram to see the parts shown on that diagram.
  • 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 75 parts  |
Hinge Assembly LF6846001
#2

Adf diagram

Hinge assembly

Part #LF6846001

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

New Toner Sensor Asy LG5832001
#1-10

Frame assy diagram

New toner sensor asy

Part #LG5832001

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

Main Pcb Assembly LG5861001
#1

Pcb diagram

Main pcb assembly

Part #LG5861001

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

New Toner Actu Sprng LM4261001
#1-9

Frame assy diagram

New toner actu sprng

Part #LM4261001

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

Lower Document Chute LF6168001
#12

Adf diagram

Lower document chute

Part #LF6168001

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

Side Cover R LF6138001
#7

Cover assy diagram

Side cover r

Part #LF6138001

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

Pull Arm L LF6145001
#15

Cover assy diagram

Pull arm l

Part #LF6145001

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

Adf Cover LF6179001
#1-21

Adf diagram

Adf cover

Part #LF6179001

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

Symptoms for gas ranges

Why won't my range's gas burner spark or ignite?

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

Read more

Why isn't my range's gas burner heating properly?

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

Read more

Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a range spark module

How to replace a range spark module

Follow these step-by-step instructions to put the fire back into the surface burners on your gas range by replacing the …

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…

Read more
Repair difficulty
Time required
 60 minutes or less

Effective articles & videos to help repair your office

Office and smart products articles | Sears PartsDirect

View all
How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Read more
Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

Read more
What does the Amazon Fire Stick Lite do?

What does the Amazon Fire Stick Lite do?

Learn what the Amazon Fire Stick Lite video streaming device does.…

Read more

Parts & More