The video terminal made the mechanical sound a huge line printer would make as the screen scrolled.
The IBM 1404 model 2 line printer and card reader.
The line printer employed a series of status codes, specifically ready, online, and check.
The line printer could print 600 lines of 120 characters per minute.
A moment later a line printer in the corner started to chatter out copy.
Next to the line printer was a radio transceiver.
Some early line printers interpreted these characters directly in the records sent to them.
At the recipient's end, it would be converted into an appropriate output, often on a line printer or similar device.
In some historical systems such as line printers this was implemented as overstrike.
Data was transferred to the line printer as a card image as well.