Typewriter Keyboard Repair and Replacement
Expert-defined terms from the Advanced Skill Certificate in Vintage Typewriter Repair course at LearnUNI. Free to read, free to share, paired with a globally recognised certification pathway.
**A** #
**A**
Adjusting #
The process of aligning and balancing the typewriter’s mechanical components to ensure smooth operation and accurate typing.
**Antique Typewriter** #
A typewriter that is over 100 years old, showcasing the early design and technology of manual typewriters.
Aplomb #
A term used to describe the downward motion of the typewriter’s carriage while typing.
**Automatic Spaces** #
A feature in some typewriters that automatically inserts a space after each word, eliminating the need for manual spacebar usage.
**B** #
**B**
Backspace Key #
A key that moves the carriage one space to the left, allowing for corrections or adjustments to the previous character.
Bail Arm #
The lever that holds the typewriter’s carriage in place, releasing it when the carriage return is activated.
Bakelite #
An early plastic material used in typewriter construction, particularly in the creation of typewriter keys and knobs.
Ball Typewriter #
A typewriter model that utilizes a spherical element with raised characters, which rotates and strikes the ink ribbon to produce text.
Bichromate of Potash #
A chemical compound used as a component in early typewriter ribbon inks.
**Carriage Return** #
The mechanical action that moves the carriage back to the starting position and advances the paper for the next line of text.
**C** #
**C**
Carriage #
The part of the typewriter that holds the paper and moves horizontally as the user types, allowing for character alignment.
Carpet Tool #
A specialized tool used for cleaning typewriter mechanisms, often featuring bristles or a small brush.
Character Registration #
The process of ensuring that each character is accurately positioned on the paper, aligning vertically with other characters.
Clutch #
A mechanical component that connects the typewriter’s key levers to the typebars, engaging when a key is pressed and disengaging when the key is released.
Correction Ribbon #
A typewriter ribbon with one side containing an erasing material, used for making corrections to typed text.
**Coupled Shift** #
A typewriter mechanism that uses a single shift key to raise all typebars simultaneously, enabling the typing of uppercase characters.
**D** #
**D**
Daisy Wheel #
A typewriter component resembling a wheel with petals, each petal containing a single character. The daisy wheel rotates to position the desired character in front of the ink ribbon before striking the paper.
Dead Key #
A key that, when pressed, does not print a character but instead modifies the character produced by the next key pressed.
Decalcomania #
A decorative technique used in some typewriters, involving the transfer of colored designs to the typewriter’s exterior.
Decalibration #
The misalignment of typewriter components, leading to inaccurate typing or character placement.
**Diagramming** #
The process of visually representing the relationships and interactions between various typewriter components.
**Downstroke</b** #
The movement of the typewriter’s typebars as they strike the ink ribbon and the paper, forming a character.
**E** #
**E**
Eccentric Spindle #
A mechanical component responsible for moving the typewriter’s carriage return lever.
E erase Ribbon #
A typewriter ribbon with one side containing an erasing material, used for making corrections to typed text.
Escapement #
A mechanical component that controls the movement of the typewriter’s carriage, ensuring accurate character placement.
Exhibition Typewriter #
A typewriter specifically designed for display purposes, often showcasing intricate designs or unique features.
F #
F
Font Element #
A component of a typewriter that contains a set of characters, such as a typebar, daisy wheel, or ball.
Fraktur #
A decorative typeface style featuring elaborate, ornate characters.
Fountain Ink #
A type of ink used in early typewriter ribbons, characterized by its watery consistency and ability to flow freely from the ribbon.
**Full Keyboard** #
A typewriter with a full set of keys, including uppercase and lowercase characters, numbers, and punctuation marks.
G #
G
Gallery Rails #
Metal guides that help maintain proper alignment of the typewriter’s carriage and paper.
Glider Feed #
A type of paper feed mechanism in which the paper is advanced by a small, sliding piece of metal.
Grease Pencil #
A writing tool used for marking typewriter components during repair or maintenance, characterized by its waxy consistency and resistance to smudging.
H #
H
Half Keyboard #
A typewriter with a limited set of keys, often lacking a numeric keypad or specialized punctuation marks.
Hammer Arm #
A mechanical component that connects the key lever to the typebar, transferring the force of a key press to the typebar, causing it to strike the ink ribbon and paper.
Hammer Spring #
A spring that provides tension and resilience to the hammer arm, ensuring the typebar returns to its original position after striking the ink ribbon and paper.
**Hinge Plate** #
A metal plate that connects the typewriter’s main body to the carriage, allowing for smooth movement and alignment.
I #
I
Ink Film #
A thin layer of ink on the typewriter’s ribbon, which is transferred to the paper during typing.
Inking Pad #
A component that holds and distributes ink to the typewriter’s ribbon, ensuring consistent ink coverage for typing.
Invisible Ink #
A type of ink used in typewriter ribbons that is only visible when exposed to heat or light, often employed in security applications.
Isolation Feet #
Small rubber or plastic feet that provide stability and reduce vibration when the typewriter is in use.
**J** #
**J**
Jumping Typebar #
A typebar that does not properly align with the ink ribbon and paper, resulting in skipped or misaligned characters.
Key Lever #
The part of the typewriter that the user presses to engage the typebar and strike the ink ribbon and paper.
Key Shank #
A metal rod that connects the key lever to the hammer arm, transferring the force of a key press.
**Keytop** #
The visible, user-interacted portion of a typewriter key, often made of plastic or metal.
L #
L
Lever Arm #
A mechanical component that connects the key lever to the typebar, transferring the force of a key press to the typebar, causing it to strike the ink ribbon and paper.
Line Spacing #
The distance between consecutive lines of text on a typewriter, adjustable through mechanical means.
Linkage System #
The interconnected mechanical components that transfer force and movement throughout the typewriter.
Locking Mechanism #
A safety feature that prevents the typewriter’s keys from being accidentally engaged during transport or storage.
**Lowercase Characters** #
The smaller, non-capitalized characters on a typewriter’s keyboard and output.
M #
M
Mainspring #
A large, spiral spring that provides power to the typewriter’s mechanical components, often responsible for advancing the paper and carriage return.
Margins #
The left and right edges of a typewritten page, defined by adjustable guides.
Marginal Tabs #
Pre-set indentations that allow the user to quickly and consistently position text at specific intervals from the page margins.
Matrices #
A set of pre-cut metal components that contain the characters for a typewriter’s typebars, daisy wheel, or ball.
Mechanical Segment #
A component of a typewriter that includes the typebars, inking system, and platen.
**Memory Typist** #
A
### QWERTY Keyboard Layout #
### QWERTY Keyboard Layout
The QWERTY keyboard layout is a standard keyboard layout for typewriters and com… #
This layout was designed to slow down typists and prevent keys from jamming when typing at high speeds on manual typewriters. It has become the most widely used keyboard layout in the world.
### Ribbon Ink #
### Ribbon Ink
Ribbon ink is the ink used in typewriters to print characters on paper #
The ink is stored on a ribbon made of cloth or mylar, which is wound around spools inside the typewriter. As the keys are pressed, the typebars strike the ribbon, causing the ink to transfer to the paper.
### Segment Shift #
### Segment Shift
Segment shift is a mechanism in typewriters that allows typists to switch betwee… #
The segment shift mechanism moves a metal segment, which contains the uppercase letters, up or down to align with the platen and print the desired letters.
### Sprocket Feed #
### Sprocket Feed
Sprocket feed is a mechanism in typewriters that feeds paper into the machine by… #
This mechanism ensures that the paper is properly aligned and advances a consistent amount with each keystroke.
### Tabulator Stop #
### Tabulator Stop
Tabulator stops are settings on typewriters that allow typists to quickly advanc… #
These stops are set by pressing the tab key and adjusting the stop to the desired location. Once set, pressing the tab key will advance the paper to that position.
### Typebar #
### Typebar
Typebars are the metal arms in typewriters that strike the ink ribbon to print c… #
Each key on the keyboard is connected to a typebar, which is shaped like the character it represents. When a key is pressed, the typebar swings forward to strike the ribbon.
### Typewriter Repair #
### Typewriter Repair
Typewriter repair is the process of diagnosing and fixing issues with typewriter… #
This can include cleaning and lubricating the machine, replacing worn or broken parts, and adjusting settings to ensure proper operation. Typewriter repair requires specialized tools and knowledge of the mechanics of typewriters.
### Typewriter Replacement #
### Typewriter Replacement
Typewriter replacement involves replacing worn or broken parts in typewriters to… #
This can include replacing the platen, typebars, ink ribbon, or other parts that are essential to the operation of the machine. Typewriter replacement requires specialized tools and knowledge of the mechanics of typewriters.
### Typewriter Ribbon Replacement #
### Typewriter Ribbon Replacement
Typewriter ribbon replacement involves replacing the ink ribbon in typewriters t… #
This can include removing the old ribbon, threading the new ribbon through the machine, and adjusting settings to ensure proper operation. Typewriter ribbon replacement requires specialized tools and knowledge of the mechanics of typewriters.
### Typewriter Settings #
### Typewriter Settings
Typewriter settings refer to the adjustments and configurations that can be made… #
These settings can include tabulator stops, margin settings, and other adjustments that affect the printing and paper handling of the machine.
### Typewriter Maintenance #
### Typewriter Maintenance
Typewriter maintenance is the process of cleaning, lubricating, and adjusting ty… #
This can include removing debris and dust from the machine, applying lubricants to moving parts, and adjusting settings to ensure proper printing and paper handling. Typewriter maintenance requires specialized tools and knowledge of the mechanics of typewriters.
### Typewriter Parts #
### Typewriter Parts
Typewriter parts are the components that make up typewriters #
These parts can include the platen, typebars, ink ribbon, and other parts that are essential to the operation of the machine. Typewriter parts may need to be replaced or repaired over time to ensure proper operation.
### Typewriter Mechanisms #
### Typewriter Mechanisms
Typewriter mechanisms are the components that make up the mechanical systems of… #
These mechanisms can include the segment shift, sprocket feed, tabulator stops, and other systems that control printing and paper handling. Typewriter mechanisms require specialized tools and knowledge of the mechanics of typewriters to repair and maintain.
### Typewriter Keyboard Repair #
### Typewriter Keyboard Repair
Typewriter keyboard repair involves diagnosing and fixing issues with the keyboa… #
This can include cleaning and lubricating the keys, replacing worn or broken parts, and adjusting settings to ensure proper operation. Typewriter keyboard repair requires specialized tools and knowledge of the mechanics of typewriters.
### Typewriter Keyboard Replacement #
### Typewriter Keyboard Replacement
Typewriter keyboard replacement involves replacing the keyboard of typewriters t… #
This can include removing the old keyboard, installing a new keyboard, and adjusting settings to ensure proper operation. Typewriter keyboard replacement requires specialized tools and knowledge of the mechanics of typewriters.
### Typewriter Keycaps #
### Typewriter Keycaps
Typewriter keycaps are the individual pieces that make up the keyboard of typewr… #
These keycaps are typically made of metal or plastic and are labeled with the characters that they represent. Typewriter keycaps can become worn or damaged over time and may need to be replaced.
### Typewriter Keys #
### Typewriter Keys
Typewriter keys are the individual components of the keyboard that are pressed t… #
Each key is connected to a typebar that swings forward to strike the ink ribbon when the key is pressed. Typewriter keys can become worn or damaged over time and may need to be replaced.
### Typewriter Key Stroke #
### Typewriter Key Stroke
Typewriter key stroke refers to the action of pressing a key on the keyboard of… #
When a key is pressed, the corresponding typebar swings forward to strike the ink ribbon, causing the character to be printed on the paper.
### Typewriter Key Stroke Counter #
### Typewriter Key Stroke Counter
Typewriter key stroke counter is a device that tracks the number of keystrokes m… #
This can be useful for tracking productivity or for diagnosing issues with the machine.
### Typewriter Key Stroke Sensor #
### Typewriter Key Stroke Sensor
Typewriter key stroke sensor is a device that detects the movement of typewriter… #
This can be useful for automating typing or for diagnosing issues with the machine.
### Typewriter Key Stroke Simulator #
### Typewriter Key Stroke Simulator
Typewriter key stroke simulator is a device that generates electrical signals th… #
This can be useful for automating typing or for testing the functionality of typewriter mechanisms.
### Typewriter Keyboard Layout Design #
### Typewriter Keyboard Layout Design
Typewriter keyboard layout design refers to the arrangement of keys on the keybo… #
The most common layout is the QWERTY layout, which is designed to slow down typists and prevent keys from jamming. Other layouts, such as the Dvorak layout, are designed to increase typing speed and reduce strain on the hands.
### Typewriter Keyboard Layout Customization #
### Typewriter Keyboard Layout Customization
Typewriter keyboard layout customization refers to the process of modifying the… #
Typewriter keyboard layout customization refers to the process of modifying the arrangement of keys
### QWERTY Keyboard Layout #
### QWERTY Keyboard Layout
The QWERTY keyboard layout is a standard layout used for typewriter and computer… #
It was designed by Christopher Latham Sholes in 1868 and was first patented in 1878. The name QWERTY comes from the first six letters on the top row of the keyboard.
The QWERTY layout was designed to slow down typists and prevent jamming of the m… #
The keys were arranged in a way that required typists to use different fingers for different keys, which reduced the likelihood of keys jamming together.
### Ribbon #
### Ribbon
A ribbon is a thin strip of material coated with ink that is used in typewriters… #
The ribbon is located inside the typewriter and moves back and forth as the keys are pressed.
There are two types of ribbons #
fabric and carbon. Fabric ribbons are made of cloth and are more durable, but they can be more expensive. Carbon ribbons are made of a thin layer of carbon and are less expensive, but they do not last as long as fabric ribbons.
### Segment Shift #
### Segment Shift
Segment shift is a mechanism used in typewriters to switch between uppercase and… #
The segment shift mechanism moves a segment of the typewriter's carriage to align the desired set of characters with the platen.
In a typewriter with a segment shift mechanism, the shift key moves the entire c… #
This mechanism allows for the use of two sets of characters, uppercase and lowercase, without the need for a separate key for each character.
### Space Bar #
### Space Bar
The space bar is a long bar located at the bottom of the keyboard that is used t… #
The space bar is typically operated by the thumb of the right hand.
The space bar is one of the largest and most frequently used keys on the keyboar… #
It is typically located at the bottom of the keyboard, below the other keys, and is operated by the thumb of the right hand.
### Type Bar #
### Type Bar
A type bar is a lever in a typewriter that holds the type element, which is the… #
When a key is pressed, the corresponding type bar moves forward and strikes the ribbon and platen, transferring the ink to the paper.
Type bars are typically arranged in a circular pattern around the platen, with e… #
The type bars are connected to the keys through a series of linkages that allow the type bars to move when the keys are pressed.
### Typewriter #
### Typewriter
A typewriter is a mechanical device used for typing text onto paper #
It consists of a keyboard, a platen, and a series of type bars that strike the ribbon and paper to print the text.
Typewriters were first invented in the 1800s and were widely used for many years… #
Typewriters are still used today for a variety of purposes, including writing letters, creating manuscripts, and producing official documents.
### Typewriter Key #
### Typewriter Key
A typewriter key is a lever on a typewriter that is used to print characters on… #
Each key corresponds to a specific character, and when the key is pressed, the corresponding type bar moves forward and strikes the ribbon and platen, transferring the ink to the paper.
Typewriter keys are typically arranged in a QWERTY layout, with the keys arrange… #
The keys are operated by the fingers and thumbs of the typist, and each key is connected to a type bar through a series of linkages.
### Uppercase #
### Uppercase
Uppercase refers to the set of capital letters on a typewriter or computer keybo… #
The term "uppercase" comes from the fact that the capital letters were originally stored in the upper case of a typesetter's case.
Uppercase letters are typically larger and more prominent than lowercase letters… #
Uppercase letters are also used for the first letter of a sentence.
### Vintage Typewriter #
### Vintage Typewriter
A vintage typewriter is an older typewriter that is no longer in production #
Vintage typewriters are often collected for their historical significance, aesthetic appeal, and nostalgic value.
Vintage typewriters come in a variety of styles and designs, from small portable… #
Many vintage typewriters are still functional and are used by enthusiasts for writing and other creative pursuits.
### Write Stroke #
### Write Stroke
The write stroke is the movement of the type bar that occurs when a key is press… #
The write stroke moves the type bar forward and strikes the ribbon and platen, transferring the ink to the paper.
The write stroke is a critical part of the typewriter's operation, and it must b… #
The write stroke is controlled by a series of linkages and mechanisms that connect the keys to the type bars.