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Printers
n/a
49
Computer Science
12th Grade
11/17/2011

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Term
soft copy
Definition
Visual only output, as seen on-screen.
Term
hard copy
Definition
Printed output, as seen on paper.
Term
impact printer
Definition
Printer in which some part of the the printing mechanism physically strikes the page.
Term
nonimpact printer
Definition
Printer in which no part of the the printing mechanism actually touches the page; characters/images are formed by spraying ink or transferring toner to the page.
Term
dot matrix printer
Definition
An example of an impact printer.
Term
laser, ink jet, and thermal printers
Definition
Examples of nonimpact printers.
Term
pins or hammers
Definition
Small shards of metal in a dot matrix printer that push through an inked ribbon to make characters on a page.
Term
9-pin
Definition
This size dot matrix printhead created draft quality output.
Term
24-pin
Definition
This size dot matrix printhead creates near letter quality (NLQ) output.
Term
slow and noisy
Definition
Two disadvantages to the use of dot matrix printers.
Term
multipart form
Definition
A carbonless form consisting of two or more pages.
Term
inexpensive, low cost of consumables, ability to print multipart forms
Definition
Three advantages to the use of dot matrix printers.
Term
tractor-feed
Definition
The type of paper-feed mechanism used by dot matrix printers.
Term
ink jet printer
Definition
Prints pages by spraying heated ink through a series of nozzles.
Term
characters per second (cps)
Definition
The speed of dot matrix printers is measured in this unit.
Term
pages per minute (ppm)
Definition
The speed of ink jet and laser printers is measured in this unit.
Term
dye sublimation printer
Definition
This type of high-end, commercial-style printer is used to print glossy publications and posters.
Term
sublimation
Definition
Refers to the process by which a solid dye turns into a gas without first turning into a liquid.
Term
four - one for each CMYK color
Definition
The number of "passes" it takes to print a page with a dye sublimation printer.
Term
thermal printer
Definition
Prints pages by exposing heat-sensitive paper to a heated element.
Term
laser/LED printer
Definition
Prints pages by transferring negatively charged toner to positively charged paper.
Term
toner
Definition
Particles of lead and plastic which are melted to form a laser-printed page image.
Term
hopper
Definition
Container inside a toner cartridge in which toner is stored.
Term
toner cylinder
Definition
Component inside the hopper which applies a negative charge to toner.
Term
drum
Definition
Photosensitive cylinder on which a positive page image is etched by a laser or LED.
Term
erase lamp
Definition
Laser printer component that removes residual charge and applies a uniform neutral charge to the drum before printing begins.
Term
primary corona
Definition
Applies a uniform negative charge to the drum.
Term
transfer corona
Definition
Applies a positive charge to paper, allowing it to "pull" toner from the drum.
Term
laser/LED
Definition
"Etches" a positive page image on the negatively charged drum.
Term
fuser
Definition
Melts the toner and presses it into the paper.
Term
fuser
Definition
This main laser printer component is the only one not located in the toner cartridge.
Term
cleaning, charging, writing, developing, transferring, fusing
Definition
List the six steps of the laser printing process in order.
Term
cleaning
Definition
In this step of the laser printing process, the erase lamp applies a neutral charge to the drum.
Term
charging
Definition
In this step of the laser printing process, the primary corona applies a negative charge to the drum.
Term
writing
Definition
In this step of the laser printing process, the laser writes a positive page image to the drum.
Term
developing
Definition
In this step of the laser printing process, negative toner attaches to the positive page image on the drum.
Term
transferring
Definition
In this step of the laser printing process, the transfer corona applies a positive image to the paper that attracts the negative toner image on the drum.
Term
fusing
Definition
In this step of the laser printing process, the toner is melted and presses toner to the paper.
Term
duplexer
Definition
A laser printer attachment that manually or automatically feeds paper for printing on both sides.
Term
finisher
Definition
A laser printer attachment that may support stapling, collating, hole-punching, and binding.
Term
spooler
Definition
A program that stores and manages print jobs.
Term
queue
Definition
A list of print jobs awaiting processing.
Term
print job
Definition
A request to print from a application.
Term
USB, FireWire, and parallel
Definition
List three standard wired connections for printers.
Term
Bluetooth, infrared, and wi-fi
Definition
List three standard wireless connections for printers.
Term
serial and SCSI
Definition
List two legacy connections for printers.
Term
calibration
Definition
The process of matching the print output of a printer to the visual output of a display device.
Term
CMYK
Definition
The standard color palette for color printers (cyan--yellow--magenta--black).
Term
RGB
Definition
The standard color palette for color display devices (red--green--blue).
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