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Smith Corona
Office

Model # XD7900 (5FAA) Official Smith Corona typewriter

Here are the diagrams and repair parts for Official Smith Corona XD7900-5FAA 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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ALL PARTS
Showing 10 of 174 parts  |
Bellcrank 775292
#6

Ribbon drive diagram

Bellcrank

Part #775292

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

Roller 771611
#17

Paper feed diagram

Roller

Part #771611

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

Keypad Body 779060
#4

Keyboard diagram

Keypad body

Part #779060

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

Bracket 700801
#4

Paper feed diagram

Bracket

Part #700801

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

Ground Cable 761225
#7

Control pc board diagram

Ground cable

Part #761225

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

Shfy Bail 778282
#11

Keyboard diagram

Shfy bail

Part #778282

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

Screw 771461
#22

Paper feed diagram

Screw

Part #771461

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

Element Shaf 752734
#7

Element drive diagram

Element shaf

Part #752734

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

Indicator 797159
#1

Carrier drive diagram

Indicator

Part #797159

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

Flxb Circuit 779062
#7

Keyboard diagram

Flxb circuit

Part #779062

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 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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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 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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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 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
How to replace a treadmill walking board

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…

Read more
Repair difficulty
Time required
 30 minutes or less

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