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forms. The material on which output data is printed, such as paper or adhesive labels. See preprinted
form.
forms path. The entire route that forms travel during processing. The forms path usually begins where
the forms are loaded and ends at the stacker. Synonym for paper path.
fuse. To use heat and pressure to blend toner onto forms to make a permanent bond.
fuser. The assembly that bonds the toned image to the paper, using heat and pressure.
graphic. A symbol produced by a process such as handwriting, drawing, or printing. See also vector
graphics.
graphic character. A character that is normally represented by a graphic, independent of code points or
fonts. A graphic character is often in the form of a spatial arrangement of adjacent or connected strokes;
for example, a letter or digit.
hard drive. A standalone disk drive that reads and writes data on rigid disks and can be attached to a
port on the printer. Synonymous with fixed disk drive, hard disk drive.
Hewlett-Packard Printer Command Language (HP-PCL). A data stream used for printing on
Hewlett-Packard laser printers and compatible printers.
host system. (1) The primary or controlling computer in a multiple-computer installation. (2) A
computer used to prepare programs for use on another computer or on another data-processing system;
for example, a computer used to compile, link edit, or test programs to be used on another system.
image. (1) A string of picture elements organized in scan lines to represent the contrasting portions of a
picture. (2) A likeness or imitation of an object. (3) In this printer, an image comprises a string of pels
organized in scan lines to represent the contrasting portions of a picture. The image may consist of any
data stored as a raster pattern. It is printed on one side of a sheet of paper. The term image is
interchangeable with impression. See also impression.
impression. An implied or physical page. Used when calculating the reduction of printer output
caused by switching the printer between duplex and simplex modes or upper and lower paper supplies.
See also image.
Intelligent Printer Data Stream. An architected host-to-printer data stream that contains both data and
controls defining how the data (text, image, graphics, and bar code) is to be presented. IPDS provides a
device-independent interface for controlling and managing all-points addressable printers.
interface. A shared boundary. An interface might be a hardware component to link two devices or it
might be a portion of storage or registers accessed by two or more computer programs.
IPDS. See Intelligent Printer Data Stream.
intervention. An unexpected condition that requires user intervention to clear it; for example, out of
toner.
ISO sizes. Pertaining to a set of paper sizes selected from those standardized by the International
Organization for Standardization (ISO) for use in data processing.
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Appendix F. Glossary
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