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Xerox 4112/4127 Copier/Printer User Guide Glossary-4
Glossary
GUI See Graphical User Interface.
Half Bitting A control that simulates a partial change in position of a pixel by printing every
other pixel and allowing the printer to smooth out the ripples. The resulting
effect is that peaks and valleys of the pixels are smoothed.
halftone screen A tool used in the offset printing, typesetting, and laser printing process to
convert a continuous tone (photographic) image to dots. This allows the image
to be printed using one of the printing processes.
hard disk A disk drive permanently mounted within a computer. Same as fixed disk.
head to head To print the reverse side of a page so that the finished document opens like a
book.
head to toe To print the reverse side of a page so that the finished document opens like a
calendar.
highlight A visual indication that an object is in a special state. Often used to denote that
an item is selected.
Hold Delaying the printing of a selected job.
humidity The degree of wetness in the printer.
HTTP HyperText Transfer Protocol: The communication protocol used on the World
Wide Web.
icon A small pictorial representation of a base window. When an icon is used, it
conserves screen space and keeps the window available for easier access.
image The rectangular array of sample values. Each sample value represents some
gray-level value or color. Also known as “sampled image”.
image quality An option that allows a System Administrator to set a variety of functions to
enhance the quality of the printed image based on the type of PDL file being
printed and the type of fonts being used.
Image Shift A job option that allows you to adjust the location on a page where printing will
occur by shifting the image horizontally and/or vertically along an X and/or Y
axis.
ineligible job A job whose resources are not available to the printer (such as yellow paper,
tabs, etc.) Once the resource becomes available, the job will print.
interpolation An algorithm used to convert bitmap data from one resolution to a bitmap
having another resolution.
interposer A device that provides additional paper trays for a printer and allows for the use
of preprinted forms or inserts that can be inserted into a job without needing to
pass through the fuser.
Internal Font One of the resident fonts loaded at installation.
IOT Image Output Terminal: The part of a printer or a copier that actually marks the
paper.
IP The Internet Protocol of the TCP/IP communications suite.
job A document file that is associated with a set of printing instructions. Print data,
print options data, and other information required for processing and printing a
document.