Ribbon
- Two tyhpes of ribbon commonly used in typewriter
Record Ribbon
Copying Ribbon
- Record Ribbon is used for ordinary purpose
- Copying Ribbon is used for copying purpose
- Double Colour ribbon is called : Bichrome Ribbon
- Normal Length and width of the ribbon : 8 yards or 10 meters length and 1/2 inch or 1.25 cm width or 13 mm
- The movement of Ribbon can be identified from ribbon spool shaft.
- When the Ribbon spool reaches the end of the ribbon, it is starts to rotate in reverse direction automatically
- This is called reverse movement.
- When we get letters on the paper clearly due to the up and down movement of the ribbon.
Ribbon Movement
- Three types of ribbon movement
Up and Down movement (Ribbon throw movement)
Lengthwise movement
Automatic Reverse movement