Editing Dot matrix printing (section)

===Centronics 101===
{{Main|Centronics#Centronics 101}}
The [[Centronics#Centronics 101|Centronics 101]]<ref>Centronics and Digital Equipment corporation launch the dotmatrix printers, Centronics 101 and LA30 respectively. Centronics claimed to be the first..." {{cite book |author=Raveesh Mayya.K |title=BLITZ-THE IT QUIZ BOOK |date=2012 |publisher=Sapna Book House (P) |isbn=978-8128005800 |url=https://books.google.com/books?isbn=8128005804}}</ref> (introduced 1970) was highly innovative and affordable at its inception. Some selected specifications:
* Print speed: 165 characters per second
* Weight: 155 pounds (70.3&nbsp;kg)
* Size: 27 ½" W x 11 ¼" H x 19 ¼ D (approx. 70&nbsp;cm x 29&nbsp;cm x 49&nbsp;cm)
* Shipping: 200 pounds (approx. 91&nbsp;kg), wooden crate, unpacked by removal of 36 screws
* Characters: 62: 10 numeric, 26 upper case, and 26 special characters (no lower case)
* Character size: 10 characters per inch (10 "''pitch''")
* Line spacing: 6 lines per inch (6 LPI)
* Vertical control: punched tape reader for top of form and vertical tab
* Forms thickness: original plus four copies
* Interfaces: Centronics parallel, optional RS-232 serial