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Core 1 > 3.7 Printer Types > Flashcards

3.7 Printer Types Flashcards

1
Q

Name the main component in a laser printer that creates the image to be applied to the paper.

A

Imaging drum

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2
Q

Which type of printer creates an entire page at one time during the printing process?

A

Laser printer

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3
Q

What does the fuser assembly do?

A

Heats up and melts the toner so it adheres properly to the page

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4
Q

The transfer belt/roller does what?

A

Transfers the image from the image drum

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5
Q

Which part of a laser printer picks up the paper from the feed tray?

A

The pickup roller

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6
Q

What is the role of the paper separation pad?

A

Ensuring the pickup rollers only pick up a single piece of paper at a time

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7
Q

What does the duplexing assembly do?

A

Flips the paper from the front to the back so you can automatically print both sides

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8
Q

What is a toner cartridge?

A

A plastic housing that contains toner powder.

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9
Q

Which part of a laser printer lasts longer: the drum or the toner?

A

Drum

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10
Q

How does the OS translate what’s on the screen to print?

A

By using a print driver

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11
Q

List the six steps of printing on a laser printer

A
  • Charging
  • Exposing
  • Developing
  • Transferring
  • Fusing
  • Cleaning
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12
Q

Give a brief overview of how a page is laser printed.

A

A laser light writes the content to be printed onto the imaging drum, which first receives a negative electrical charge from the corona wire. The laser on the drum discharges it, so the toner is attracted to those areas. Pickup rollers move the paper through the printer, a charge of +600VDC is applied to the paper, which pulls the toner from the drum onto the paper. The fuser then squeezes the paper between a hot roller and pressure roller to melt the toner to the paper

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13
Q

What is the charging voltage for the drum of a laser printer?

A

-600 VDC

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14
Q

Give the number of pages the two different types of toner cartridges can produce.

A

Standard cartridge: 2500 pages
High-yield cartridge: 6000 pages

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15
Q

How can you prolong the printer’s life with paper?

A
  • Buy paper rated for the specific type of printer
  • Store the paper in a dry area without high humidity or excessive dust
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16
Q

Define calibration.

A

The process by which the printer determines the print density or colour balance to use.

17
Q

How many different cartridges do high-end inkjet printers have?

A

Seven.

18
Q

What does the printhead (inkjet) do?

A

Takes the droplets of ink and directs them onto the paper.

19
Q

Name the two methods that inkjet printers use and give a brief description of each.

A

Piezoelectric/Charge Method
A nozzle reacts to changes in voltage
Thermal Method
Ink is heated up in the nozzle of the printhead

20
Q

Which inkjet printing method requries the print head to be replaced when also replacing the cartidge?

A

Thermal method.

21
Q

Which three brands use the thermal method?

A

HP, Canon, and Lexmark

22
Q

What function does a duplexing assembly provide?

A

The ability for a printer to print on both sides of a piece of paper.

23
Q

What component moves the printhead back and forth across the page?

A

Carriage belt/carriage system

24
Q

What is unidirectional printing?

A

The printhead will only apply ink from left to right.

25
Q

Can laser or inkjet printers print in higher dpi? Give the specs.

A

Laser: 300-600 dpi
Inkjet: 100-300 dpi

26
Q

What determines the quality of the printout in thermal printers?

A

The number of pins on the thermal printhead.

27
Q

How do you replace thermal paper?

A

Open the printer case, insert the roll with the shiny part facing outward, place the end of the paper by the printhead and close again.

28
Q

What is the highest resolution an impact printer can have?

A

240 dpi

29
Q

What is the printhead in an impact printer?

A

A device that has a series of pins that make up the dot matrix that forms the image

30
Q

What is the ribbon in an impact printer?

A

Fabric or material held within a plastic housing in front of the printhead

31
Q

What are tracks?

A

In an impact printer, they are a series of holes going down the side of the paper with a perforation between the regular paper and tracks

32
Q

What does tractor feed do?

A

Pulls the paper through an impact printer

33
Q

What is the name for one layer of an overall 3D model?

A

A slice.

34
Q

Give the name for the sheet placed on top of the base plate that holds the object into position while 3D printing.

A

Bed/build surface

35
Q

A printhead is called an _________ in a 3D printer.

A

Extruder

36
Q

Why do 3D printers need fans?

A

To cool down the melted filament so the consistency is retained

37
Q

What two sizes does 3D filament come in?

A

1.75mm and 3mm

Core 1 (27 decks)

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