Can’t find your part? Contact us:

+1-309-603-4777

Office

Model # 850 Official Texas Instruments business center

Here are the diagrams and repair parts for Official Texas Instruments 850 business center, 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

ALL PARTS

Showing 10 of 138 parts |

Control Panel - Tan 2238671-0002

#NI

All parts diagram

Control panel - tan

Part #2238671-0002

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

850c Terminal Electronics Board W/ground Plane (see Note 1) 2222545-8001

#NI

All parts diagram

850c terminal electronics board w/ground plane (see note 1)

Part #2222545-8001

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

Cable, Parallel Printer 2223106-0001

#NI

All parts diagram

Cable, parallel printer

Part #2223106-0001

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

Rs-422/rs-232-c Options And Accessory 2222542-8002

#NI

All parts diagram

Rs-422/rs-232-c options and accessory

Part #2222542-8002

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

Exit Roller Assembly With Shaft 2222485-0002

#NI

All parts diagram

Exit roller assembly with shaft

Part #2222485-0002

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

Cover, Power Supply Piece Parts 2239417-0001

#NI

All parts diagram

Cover, power supply piece parts

Part #2239417-0001

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

System Rom (860xl - Xu2) (see Note 2) 2239398-0001

#NI

All parts diagram

System rom (860xl - xu2) (see note 2)

Part #2239398-0001

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

System Eprom (851 - Xu2) (see Note 2) 2222478-0002

#NI

All parts diagram

System eprom (851 - xu2) (see note 2)

Part #2222478-0002

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

Platen Assembly 2239447-0001

#NI

All parts diagram

Platen assembly

Part #2239447-0001

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

Carriage Motor With Pulley 2239451-0001

#NI

All parts diagram

Carriage motor with pulley

Part #2239451-0001

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…

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…

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…

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.…

Repair difficulty

Time required

15 minutes or less

Effective articles & videos to help repair your office

Office and smart products articles | Sears PartsDirect

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.…

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.…

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.…

Stay Connected