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Glossary Terms starting with H

Definitions of terms starting with H

halftoning
1.  A method of using dot patterns to represent an image. Halftoning makes it possible to produce varying shades of gray using only black dots, or a...
halo
1.  Faint image around characters.
halogen lamp
1.  Terminology used by Kyocera-Mita to describe the exposure lamp in analog copiers (most heat and analog exposure lamps are described as...
handset
1.  The part of a fax machine that is picked up and used just like that on a telephone. It has a speaker and a receiver and sometimes a keypad.
handshake
1.  The series of telephone signals (see appendix) that go back and forth from sender to receiver prior to a fax communication.
hard disk drive
1.  Computer type hard drive that is installed in copier. Also known as hd (hard drive).
hard drive
1.  Computer type hard drive that is installed in copier. Also known as hd (hard drive).
HD
1.  Computer type hard drive that is installed in copier. Also known as hd (hard drive).
HDD
1.  Computer type hard drive that is installed in copier. Also known as hd (hard drive).
HDLC
1.  An acronym for high level data link control.
heat and pressure fusing
1.  The most common method of fusing, using a heated roller (or other device) and silicone roller.
heat fusing
1.  The fusing system that uses radiant heat only, without any pressure.
heat lamp
1.  Quartz lamp that warms up the fuser.
HEPA
1.  Acronym for High Efficiency Particulate Air. A HEPA filter is a type of filter that is composed of fiberglass and has a diameter anywhere from 0.5...
Hertz
1.  The hertz (symbol: Hz) is a measure of frequency per unit of time, or the number of cycles per second. It is the basic unit of frequency in the...
hex dump
1.  A troubleshooting method that helps identify the cause of communication problems between the printer and the computer. When the printer is in hex...
hexadecimal
1.  A numeric system using a base of 16. Most memory locations in a computer are calculated and displayed in hexadecimal notation due to memory-design...
high voltage transformer
1.  High voltage transformer. Supplies voltage to charge, transfer, separator or transfer corona or roller.
high voltage unit
1.  High voltage unit. Supplies voltage to charge, transfer, separator or transfer corona or roller.
HIPS
1.  High impact polystyrene. HIPS is a type of 3D printer filament that is economical as well as versatile.
horizontal printing
1.  Also referred to as normal printing. This prints letters in the standard format from left to right.
Htz
1.  An acronym for Hertz.
Huffman code
1.  A data-compression method that is based on the frequency of individual components. Components that are more frequently used are assigned shorter...
Huffman Reed
1.  Fax data compression method.
HVT
1.  High voltage transformer. Supplies voltage to charge, transfer, separator or transfer corona or roller.
HVU
1.  High voltage unit. Supplies voltage to charge, transfer, separator or transfer corona or roller.
Hz
1.  An acronym for Hertz. (See Hertz)