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Brother M3812 electric portable typewriter Parts

Here are the diagrams and repair parts for Brother M3812 electric portable typewriter, as well as links to manuals and error code tables, if available.

Brother M3812 electric portable typewriter
By Schematic
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Browse Parts for M3812 Electric Portable Typewriter

  • Connector for Brother M3812 - Part 519102000

    Space & repeat space ma-013 diagram

    Connector

    Part #519102000

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

  • Knob for Brother M3812 - Part 519669006

    Carriage attachment ma-031 diagram

    Knob

    Part #519669006

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

  • Wire Lt 14 for Brother M3812 - Part 500168002

    Type bar wire ma-003 diagram

    Wire Lt 14

    Part #500168002

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

  • Rel Key Levr for Brother M3812 - Part 518739001

    Rel Key Levr

    Part #518739001

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

  • Usa for Brother M3812 - Part 543098001

    Usa

    Part #543098001

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

  • Lever Key for Brother M3812 - Part 518712001

    Key lever ma-005 diagram

    Lever Key

    Part #518712001

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

  • Nut for Brother M3812 - Part 402959001

    Nut

    Part #402959001

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

  • Wire Lt 1, 2 for Brother M3812 - Part 500156002

    Type bar wire ma-003 diagram

    Wire Lt 1, 2

    Part #500156002

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

  • Shift Cam for Brother M3812 - Part 519412001

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

    Shift Cam

    Part #519412001

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

  • Typewriter Ratchet for Brother M3812 - Part 521882001

    Carriage side plate mi-030 diagram

    Typewriter Ratchet

    Part #521882001

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

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

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

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

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

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

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

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 walking board

A worn-out walking board creates friction with the walking belt and causes the belt to slow down during use. Replace the…

Repair time and Difficulty

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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'…

Repair time and Difficulty

 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…

Repair time and Difficulty

 45 minutes or less

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