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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.

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

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

Model diagram and schematic

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ALL PARTS

Showing 10 of 138 parts |

Bottom Case Assy - Tan 2239469-0002

#NI

All parts diagram

Bottom case assy - tan

Part #2239469-0002

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

Idler, Exit Roller Arm 2222411-0001

#NI

All parts diagram

Idler, exit roller arm

Part #2222411-0001

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

Drive Roller Assembly Unique Service Assembly 2225906-0001

#NI

All parts diagram

Drive roller assembly unique service assembly

Part #2225906-0001

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

Memory Expansion, 4k Options And Accessories 2232793-8002

#NI

All parts diagram

Memory expansion, 4k options and accessories

Part #2232793-8002

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

Ieee 488 Options And Accessory 2222539-8001

#NI

All parts diagram

Ieee 488 options and accessory

Part #2222539-8001

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

Current Loop/rs-232-c Options And Accessory 2222542-8001

#NI

All parts diagram

Current loop/rs-232-c options and accessory

Part #2222542-8001

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

Ground Clip Options And Accessory 2239435-0001

#NI

All parts diagram

Ground clip options and accessory

Part #2239435-0001

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

Drive Roller 2219887-0001

#NI

All parts diagram

Drive roller

Part #2219887-0001

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

Cover, Platen - Tan 2219869-0002

#NI

All parts diagram

Cover, platen - tan

Part #2219869-0002

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

System Eprom (850c - Xu2) (see Note 2) 2243260-0001

#NI

All parts diagram

System eprom (850c - xu2) (see note 2)

Part #2243260-0001

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

Symptoms for gas cooktops

Why won't my cooktop's gas burners ignite or spark?

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

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

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

Why do my cooktop's spark igniters keep clicking?

Main causes: stuck burner igniter switch, wet igniter switch contacts, faulty spark module…

Repair guides for gas cooktops

How to replace a spark module on a gas cooktop

How to replace a spark module on a gas cooktop

No flame on your gas cooktop? Installing a new spark module could be the fix you need.…

Repair difficulty

Time required

30 minutes or less

How to replace a spark igniter switch on a gas cooktop

How to replace a spark igniter switch on a gas cooktop

Follow these step-by-step instructions to fix the surface burner ignition system on your gas cooktop by replacing the sp…

Repair difficulty

Time required

45 minutes or less

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