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
AT&T
Office

Model # 3520D Official AT&T miscellaneous

Here are the diagrams and repair parts for Official AT&T 3520D miscellaneous, 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 12 parts  |
H0122182 Cutter Assembly 405547571

#NI

All parts diagram

H0122182 cutter assembly

Part #405547571

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

Mem Bd Un 405475484

#NI

All parts diagram

Mem bd un

Part #405475484

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

Rubber Plt 405459785

#NI

All parts diagram

Rubber plt

Part #405459785

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

Pwr Sup Un 405459967

#NI

All parts diagram

Pwr sup un

Part #405459967

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

Sen Bd Un 405460023

#NI

All parts diagram

Sen bd un

Part #405460023

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

Fax Pwr Drv 405547530

#NI

All parts diagram

Fax pwr drv

Part #405547530

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

Thermax Head 405547555

#NI

All parts diagram

Thermax head

Part #405547555

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

Ntwk Chl Wn 405547548

#NI

All parts diagram

Ntwk chl wn

Part #405547548

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

Fax Ctrl Un 405547522

#NI

All parts diagram

Fax ctrl un

Part #405547522

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

H0126038 Pcb-modem 405460072

#NI

All parts diagram

H0126038 pcb-modem

Part #405460072

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

Symptoms for top-mount refrigerators

Why is there water in the bottom of the fridge under vegetable drawers?

Main causes: frozen or clogged defrost drain tube, cracked water system tubing…

Read more

Repair guides for top-mount refrigerators

How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace the compressor run capacitor in a top-freezer refrigerator

How to replace the compressor run capacitor in a top-freezer refrigerator

The run capacitor sends electric current to the compressor motor to help the motor run efficiently. Replace the run capa…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace the defrost thermistor in a top-freezer refrigerator

How to replace the defrost thermistor in a top-freezer refrigerator

The defrost thermistor attaches to the evaporator coil and measures the evaporator coil temperature during defrost.…

Read more
Repair difficulty
Time required
 15 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