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Model # 850C Official Texas Instruments business center

Here are the diagrams and repair parts for Official Texas Instruments 850C 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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Model diagram and schematic

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Showing 10 of 138 parts  |

Metering Tractor Assembly - Gray Model 850c/850c W/htm Printers 2222439-0002

#NI

All parts diagram

Metering tractor assembly - gray model 850c/850c w/htm printers

Part #2222439-0002

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

Drive Roller Assembly Service Assembly 2222481-0001

#NI

All parts diagram

Drive roller assembly service assembly

Part #2222481-0001

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

Fastener, Pivot Pin Piece Parts 2225919-0001

#NI

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Fastener, pivot pin piece parts

Part #2225919-0001

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

Exit Roller Springs Piece Parts 2230925-0001

#NI

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Exit roller springs piece parts

Part #2230925-0001

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

Idler Pulley Unique Service Subassemblies 2230942-0001

#NI

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Idler pulley unique service subassemblies

Part #2230942-0001

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

Cable, Serial (see Note 3) 2222477-0001

#NI

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Cable, serial (see note 3)

Part #2222477-0001

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

Carriage Shaft, Rear 2222423-0001

#NI

All parts diagram

Carriage shaft, rear

Part #2222423-0001

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

Main Bearing 2219883-0001

#NI

All parts diagram

Main bearing

Part #2219883-0001

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

Paper-out Switch Piece Parts 2222445-0003

#NI

All parts diagram

Paper-out switch piece parts

Part #2222445-0003

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

Repair guides for bottom-mount refrigerators

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How to replace a door gasket in a French-door refrigerator

The door gasket, often called a door seal, seals the gap around the door to keep the cold air in and the warm air out. R…

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 15 minutes or less
How to replace a refrigerator water valve

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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
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How to replace a refrigerator defrost control assembly

How to replace a refrigerator defrost control assembly

Follow these steps to replace the defrost control assembly if your Kenmore or LG French door refrigerator displays an er…

Repair difficulty
Time required
 120 minutes or less

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