11. Examples of these are daisy wheel printers, golf ball printers, teleprinters, chain printers, and band printers. 12. All these characters and symbols could be printed, unless the printer was a daisy wheel unit. 13. These daisy wheels are $ 30 apiece! 14. The daisy wheel is considered to be so named because of its resemblance to the daisy flower. 15. Xerox later adapted Diablo's daisy wheel technology into a typewriter that sold for less than $ 50. 16. IBM introduced the daisy wheel printer, introduced in 1969, offered comparable print quality at twice the speed. 17. Unfortunately for a typist ( in either role ), the daisy wheel mechanism hides the area just printed. 18. Daisy wheel printers were added to the line with a purchase of the business from Plessey in 1978.19. There is a daisy wheel damper unit on the top to give air flow control and therefore temperature regulation. 20. This was an analogy of early mechanical printers which had fixed pitch ( teleprinters and daisy wheel printers, etc . ).