Lexmark Dot Matrix Technical Reference - Page 219
Glossary
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Glossary A APA. All points addressable. B bidirectional. Printing in either direction, right-to-left or left-to-right. buffer storage. A temporary storage area for holding input or output data. byte. The representation of a character. Usually, 8 bits grouped together as a unit make up a byte. C characters-per-inch (cpi). The number of characters printed within 1 inch horizontally across a page. characters-per-line (cpl). The maximum number of characters that can be printed on a line at a specified pitch. characters-per-second (cps). The number of characters printed in 1 second. check character. A character within a barcode that, when scanned, validates the barcode was read correctly. code page. A set of 256 graphic designs (characters) associated with unique code values from 0 through 255, x00 to xFF. control code. Tells the printer to perform a function, such as changing line space. cpi. See characters-per-inch. cpl. See characters-per-line. cps. See characters-per-second. D default. A value, parameter, or attribute the printer uses when none is specified. DP. Draft Print. A style of print used for draft material. Compare with Letter Quality print mode. dpi. Dots per inch. E ELQ. Enhanced letter quality. Escape sequence. Two or more characters of information that let you change the way the printer is currently printing. F flag character. Used by UPC-A and EAN-13 for number system encoding and country code. font. A set of characters of a given size and style. H Hertz (HZ). A unit of frequency equal to 1 cycle per second. human readable characters. Numbers or letters printed below a barcode. I impact printer. A printer that uses mechanical impacts to generate character images. Glossary 219