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AP-4
APPENDIX B
GLOSSARY OF TERMS
A4 size
A standard paper size. Paper size is 210 x 297 mm.
A5 size
A standard paper size. Paper size is 148 x 210 mm.
A6 size
A standard paper size. Paper size is 105 x 148 mm.
A7 size
A standard paper size. Paper size is 74 x 105 mm.
A8 size
A standard paper size. Paper size is 53 x 74 mm.
ASCII
The acronym for American Standard Code for Information Interchange.ASCII is a set of 256 codes
(numbered 0 to 255) used to communicate information between a computer and another device
such as a scanner.
Backside reading = Back-side scanning
Refers to reading the backside of the document, specifically in Duplex reading mode.
Bit
The smallest unit of information in computer memory. A bit is a single digit, either a 1 or a 0, in the
binary numbering system. Eight bits equal one byte.
Density
In this manual, refers to a measurement of the depth of the display.
Dither
Technique for producing halftone images by representing the entire grayscale with only two pixel
levels, black and white.
Double feed detection
A scanner function which detects the accidental feeding of multiple sheets by the ADF unit. Can be
turned on or off by the operator.
Double Letter Size