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A+ Ch07
Printers
36
Computer Science
12th Grade
12/10/2008

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Cards

Term
Black Page (Laser Printers)
Definition
Failure of the primary corona wire or bad laser scanning module.
Term
3 Sections where paper jams occur
Definition
Pick up, Registration, Fusing areas.
Term
Thermal Sensor
Definition
Monitors the temperature of the unit.
Term
Cleaning (Phase of Laser Printers)
Definition
(Phase of the laser printing process).
Removes toner from the drum.
Term
Thermal Shock
Definition
Method of forming ink drops, heats the ink in a tube, causing it to explode through a nozzle.
Term
Tractor Feed
Definition
Used with heavy forms. Commonly found in dot matrix printers.
Term
Non-Impact Printer
Definition
Method of printing that uses ink droplets or laser print technologies to place characters on a page.
Term
Impact Printer
Definition
Places characters on the page by causing a hammer device to strike an inked ribbon.
Term
Bit-Mapped Fonts
Definition
Font type, stores dot patterns for all of the possible size & style varations of the characters in the set.
Term
Dot Matrix
Definition
Method of creating characters on a page in which dots are placed in a strategic pattern to trick your eye.
Term
Friction Feed
Definition
Method of moving paper through the printer, by holding the paper against the printers platen.
Term
Print Sharing
Definition
The locals computer's OS is configured to permit the remote stations on the network to print through it's printer.
Term
Developing (Phase of Laser Printers)
Definition
Phase of the laser printing process.
The toner powder is attracted to the positively charged image on the drum.
Term
Developing (Phase of Laser Printers)
Definition
Phase of the laser printing process.
The toner powder is attracted to the positively charged image on the drum.
Term
Transferring (Phase of Laser Printers)
Definition
Phase of the laser printing process.
Responsible for transferring the toner from the drum to the paper.
Term
Fusing (Phase of Laser Printers)
Definition
Phase of laser printing process.
The toner particles are bonded to the paer.
Term
Network-Ready Printer
Definition
Printer that comes with a built-in NIC Card.
Term
Drop-on-Demand
Definition
Method of delivering ink to the page, the controller causes a drop to be sprayed only where necessary.
Term
Mechanical Vibration
Definition
Method of forming ink drops, using vibrations from a piezoelectric cystal to force the ink through the nozzle.
Term
Conditioning (Phase of Laser Printers)
Definition
Phase of the laser printing process. The primary corona wire creates a negative field on the drum.
Term
Writing (Phase of Laser Printers)
Definition
Phase of the laser printing process. The Laser burns a positively charged image onto the drum.
Term
Direct Thermal
Definition
Print wires are heated so they can burn dot patterns into special thermal paper.
Term
Pin-Feed
Definition
Method of moving paper through the printer by pulling the paper by a set of pins.
Term
Fully Formed Characters
Definition
Method of creating characters on a page in which the character is fully shaped & fully filled in.
Term
Continuous Forms
Definition
Paper forms come in folded stacks and have holes along their edges.
Term
True Type Fonts
Definition
Newer type of out-lined fonts that are commonly used with Microsoft Windows.
Term
Thermal Wax
Definition
type of printer where a thermal print head melts dots of wax-based ink onto the paper.
Term
Parts of the HP electrophotographic cartridge.
Definition
Toner Supply, Corona Wire, Drum Assembly, Developing Roller.
Term
36-pin Centronics
Definition
Connector at the printer end.
Term
Vector-based Fonts
Definition
Font type, generated by establishing starting points and then calculating mathematical formulas.
Term
White Page (Laser Printers)
Definition
Bad laser scanning module. Bad transfer corona wire.
Term
Cause of Wavy Graphics (ink jet)
Definition
Paper's too fat (thick) and the feed rollers are bad.
Term
Smudged Print (Laser Printer)
Definition
Failure of the Fuser
Term
Missing Print (Laser Printers)
Definition
Bad or mis-aligned laser scanning module or scanning mirror has a defect. Also low toner.
Term
Faint Print (Laser Printers)
Definition
Toner level is low, empty, or poorly distributed.
Term
Specks or Stains (Laser Printers)
Definition
Worn out cleaning pad or a defective corona wire.
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