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Brother
Office

Model # GX-7750 Official Brother electric typewriter

Here are the diagrams and repair parts for Official Brother GX-7750 electric typewriter, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 102 parts  |
Screw 085411615
#4

Covers diagram

Screw

Part #085411615

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

Fpc Abx UC4940000
#14

Keyboard mechanism diagram

Fpc abx

Part #UC4940000

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

Key 583569077
Key

Part #583569077

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

User's Manual, Can. (french) 591010263
#1B

Printed matters diagram

User's manual, can. (french)

Part #591010263

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

Shift Key U11357077
#3

Function keys/can. e/f diagram

Shift key

Part #U11357077

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

Code Key U12880078
#12

Function keys/usa english diagram

Code key

Part #U12880078

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

Rubber UA0596000
#18

Keyboard mechanism diagram

Rubber

Part #UA0596000

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

Key U06163078
#19

Character keys/can. e/f diagram

Key

Part #U06163078

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

Key U11356077
#3

Function keys/usa english diagram

Key

Part #U11356077

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

Spring 539211001
Spring

Part #539211001

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

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

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Why won't my treadmill power up?

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

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Why is my treadmill's walking belt off center?

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

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Why won't my treadmill start even though the console display works?

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

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Why is my treadmill's heart rate sensor not accurate?

Main causes: faulty sensors, wiring failure, bad control console…

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Why does my treadmill have no display?

Main causes: bad control console, wiring failure, bad motor control board…

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Why does my treadmill's walking belt slow down?

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

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Why is my treadmill's walking belt slipping?

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

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Repair guides for treadmills

These step-by-step repair guides will help you safely fix what’s broken on your treadmill.

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How to replace a treadmill motor controller

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking belt

How to replace a treadmill walking belt

A worn walking belt will begin to slow down during use. If your treadmill walking belt is worn out, replace it using the…

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

Read more
Repair difficulty
Time required
 15 minutes or less

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