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Brother
Office

Model # M3912C Official Brother electric portable typewriter

Here are the diagrams and repair parts for Official Brother M3912C electric portable typewriter, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

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Model diagram and schematic

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Showing 10 of 594 parts  |
Label 2, Tfe/templates/s/t/communications/help Files, For Nb-60/nb-80c Nsp N/P
Label 2, tfe/templates/s/t/communications/help files, for nb-60/nb-80c nsp

Part #N/P

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

Lever Unit 518804001
Lever unit

Part #518804001

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

Sector Plate 509397000
#17

Sector plate & sub chassis & power roll mb-007 diagram

Sector plate

Part #509397000

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

Lever Unit 521887001
#19

Carriage side plate mi-030 diagram

Lever unit

Part #521887001

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

Elite 544130001
#1B

Card holder mi-016 diagram

Elite

Part #544130001

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

Drive Plate 516120001
#1

Escapement drive ma-026 diagram

Drive plate

Part #516120001

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

Key Levr U 518871001
Key levr u

Part #518871001

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

Stop Pawl 519359001
#24A

Carriage attachment mb-031 diagram

Stop pawl

Part #519359001

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

Cairg Frame 519544001
Cairg frame

Part #519544001

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

Holder Spool 524946001
Holder spool

Part #524946001

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

Symptoms for elliptical machines

Choose a symptom to see related elliptical repairs.

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Why does my elliptical make squeaking noises?

Main cause: lack of lubrication on pivot points…

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Why does my elliptical display the wrong speed?

Main causes: faulty reed switch, reed switch needs adjustment, wiring failure, bad control console…

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Why can't my elliptical detect my heart rate?

Main causes: dirty heart rate sensors, wiring failure, bad control console…

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Why won't my elliptical's console turn on?

Main causes: dead batteries, power supply failure, bad wiring connections, faulty control console…

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How do I tighten elliptical handle bars?

Main causes: loose fastening bolts, damaged handle bars…

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Why is my elliptical's console display dim?

Main causes: weak batteries, loose wires, faulty control console…

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Why does my elliptical rock?

Main causes: leveling feet need to be adjusted, loose frame bolts, unstable flooring…

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Why won't my elliptical's pedal resistance change?

Main causes: bad resistance motor, faulty control console, wiring failure…

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Repair guides for elliptical machines

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

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How to replace an elliptical resistance motor

How to replace an elliptical resistance motor

If the resistance motor is not changing the resistance on your elliptical, replace it using these steps.…

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Repair difficulty
Time required
 15 minutes or less
How to adjust an elliptical reed switch

How to adjust an elliptical reed switch

If the console doesn't display the correct speed on your elliptical, adjust the reed switch using these steps.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace an elliptical console

How to replace an elliptical console

If the console on your elliptical doesn't work, replace it by following these 3 easy steps.…

Read more
Repair difficulty
Time required
 15 minutes or less

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