
| 
 | and a braided shield. Used to connect computers to | 
| 
 | input or output devices. | 
| Code V™ | An optional QMS® emulation that allows you to | 
| 
 | create and store forms: generate logos, bar codes, | 
| 
 | and expanded characters; create other graphics, and | 
| 
 | merge graphics with alphanumeric data as a | 
| 
 | document is printed. | 
| command | An operating instruction (e.g., form feed, or FF) sent | 
| 
 | from a computer to the printer. Also called a control | 
| 
 | code or  | 
| 
 | opposed to data, which is printed. | 
| command delimiter | An ASCII character used to begin a command string | 
| 
 | (same as SFCC). Commonly used command | 
| 
 | delimiters are ESC (1B hex) and SOH (01 hex). | 
| command sequence | Two or more bytes that instruct the printer to perform | 
| 
 | a special function. The first character in the | 
| 
 | sequence is a special function control character | 
| 
 | (SFCC). This character alerts the printer that the | 
| 
 | string which follows is a command sequence, not a | 
| 
 | character or graphic code. See also escape | 
| 
 | sequence, SFCC, SSCC. | 
| compatibility | The ability of one printer to accept and properly | 
| 
 | process commands meant for a different printer. See | 
| 
 | also emulation and protocol. | 
| compressed | Refers to a typeface with a font width approximately | 
| 
 | 60% smaller than normal. Character height is not | 
| 
 | changed. | 
| configuration | Refers to the operating properties that define how the | 
| 
 | printer responds to signals and commands received | 
| 
 | from the host computer at the printer interface. These | 
| 
 | properties are called configuration parameters and | 
| 
 | are set to match the operating characteristics of the | 
| 
 | host computer system. | 
| controller | An independent logic unit in a data processing | 
| 
 | system that controls data paths between one or more | 
| 
 | units of peripheral equipment. | 
| cpi | characters per inch. A measurement of monospaced | 
| 
 | fonts indicating the horizontal character density. For | 
| 
 | example, 10 cpi means 10 characters can be printed | 
| 
 | in one horizontal inch. See also pitch. | 
| cps | characters per second. A measurement of the print | 
| 
 | speed of a serial (character) printer. | 
| CPU | Central Processing Unit | 
| CR | Carriage Return | 
| CT+ | Coax/Twinax only: a model available in a previous | 
| 
 | generation of the IBM Line Matrix Printer. | 
| CTA | Coax/Twinax/ASCII | 
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