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

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Smith Corona
Office

Model # SD850 Official Smith Corona word processor

Here are the diagrams and repair parts for Official Smith Corona SD850 word processor, 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 244 parts  |
Element Drive Shaft 740004
#10

Element drive diagram

Element drive shaft

Part #740004

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

Molded Carrier 771954
#14

Carrier molding, rails, & frames diagram

Molded carrier

Part #771954

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

Inside Scissor Gear 745321
#4

Element drive diagram

Inside scissor gear

Part #745321

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

Transformer Assembly (5feb, 5fcb, 5fwb, 5fkb, 5fdb, 5fsb) 783450
#5

Transformer diagram

Transformer assembly (5feb, 5fcb, 5fwb, 5fkb, 5fdb, 5fsb)

Part #783450

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

Mask, Platinum (5fwb) 784012
#4A

Jackets diagram

Mask, platinum (5fwb)

Part #784012

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

Return/ Relocate 778650
#27

Keybutton reference chart diagram

Return/ relocate

Part #778650

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

Left Platen, Shaft 750075
#16

Paper feed diagram

Left platen, shaft

Part #750075

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

Ribbon Driver 770292
#21

Ribbon drive diagram

Ribbon driver

Part #770292

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

E-ring 771463
#17

Hammer diagram

E-ring

Part #771463

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

Pivot Screw 771794
#3

Hammer diagram

Pivot screw

Part #771794

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

Symptoms for electric ranges

Why doesn't my electric range's surface element heat properly?

Main causes: faulty surface element, burner control switch failure, temperature limiter not working properly, loose wiri…

Read more

Should I replace a damaged glass cooktop?

Main causes: impact from dropping an item on the glass surface, ceramic glass surface flaw, surface element temperature …

Read more

Repair guides for electric ranges

How to replace a range hidden bake element

How to replace a range hidden bake element

These step-by-step instructions guide you through replacing the oven hidden bake element in an electric range.…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace an electric range oven door outer glass panel

How to replace an electric range oven door outer glass panel

Learn how to replace a damaged outer window panel on your oven door with these step-by-step instructions. …

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a range glass cooktop

How to replace a range glass cooktop

These step-by-step instructions explain how to replace a damaged ceramic glass cooktop on an electric range. …

Read more
Repair difficulty
Time required
 45 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