Laser printer

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Date:

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Quick Questions

Shade in the A or B circle for each question.

1. In a laser printer, what does the laser do to the drum?

A It draws the image as static charge

B It sprays liquid ink onto the drum

2. Which part of a laser printer sticks to the charged areas of the drum?

A Toner powder

B Liquid ink droplets

3. What is the job of the fuser in a laser printer?

A Draw the image on the drum with a laser

B Heat the toner so it is fixed onto the paper

4. Which statement about laser printers is correct?

A They are slow and best for printing just a few pages

B They are fast and cheap per page for high-volume printing

5. Which order is correct for a laser printer?

A Laser charges drum, toner sticks, toner transfers to paper, fuser heats it

B Fuser heats paper, toner sprayed on, laser charges drum, toner dries

Match the Pairs

Draw a line connecting each item on the left to its match on the right.

Left column		Right column
1laser printer		Aprint 500 pages quickly at low cost per page
2fuser		BA printer that uses a laser to draw the image as static charge on a drum, then fixes toner powder onto paper with heat
3Toner powder sticks only to the areas of the drum that the laser has charged		CThe heated part of a laser printer that melts toner so it sticks permanently to the paper
4Laser printers are fast, handle high volumes and are cheap per page		DThe fuser uses heat, not cooling. It melts the toner onto the paper so it is fixed permanently.
5A laser printer sprays liquid ink through tiny nozzles onto the paper		EThis describes an inkjet printer. A laser printer uses toner powder and a laser, not liquid ink from nozzles.
6The fuser cools the toner so it sticks to the paper		Flaser -> charged drum -> toner sticks

Definitions

laser printer

Fill in the Blanks

Complete each line of code by filling in the missing parts.

Laser printer: a laser draws on the ____

Toner ______ sticks to the charged areas

The _____ uses heat to fix toner on paper

A _____ draws the image as static charge

Good for high ______ and cheap per page

Spot the Error

Shade in the letter of the line that contains an error.

Question 1

A drum <- charge(drum)

B laser.draw(image, paper)

C toner.stick(chargedAreas)

D transfer(toner, paper)

E fuser.heat(paper)

Question 2

A charge(drum)

B laser.draw(image)

C toner.attract(drum)

D fuser.cool(paper)

Question 3

A charge(drum)

B laser.draw(image)

C toner.stick(blankAreas)

D transfer(toner, paper)

Question 4

A IF pages > 500 THEN

B use inkjet printer

C ENDIF

Question 5

A FOR each page

B laser.draw(image)

C toner <- liquid ink

D NEXT page

Answer Key

Laser printer

Section A: Quick Questions

A — It draws the image as static charge

A — Toner powder

B — Heat the toner so it is fixed onto the paper

B — They are fast and cheap per page for high-volume printing

A — Laser charges drum, toner sticks, toner transfers to paper, fuser heats it

Section B: Match the Pairs

laser printer → A printer that uses a laser to draw the image as static charge on a drum, then fixes toner powder onto paper with heat

fuser → The heated part of a laser printer that melts toner so it sticks permanently to the paper

Toner powder sticks only to the areas of the drum that the laser has charged → laser -> charged drum -> toner sticks

Laser printers are fast, handle high volumes and are cheap per page → print 500 pages quickly at low cost per page

A laser printer sprays liquid ink through tiny nozzles onto the paper → This describes an inkjet printer. A laser printer uses toner powder and a laser, not liquid ink from nozzles.

The fuser cools the toner so it sticks to the paper → The fuser uses heat, not cooling. It melts the toner onto the paper so it is fixed permanently.

Section C: Definitions

laser printer — A printer that uses a laser to draw the image as static charge on a drum. Toner sticks to the charged areas, is transferred to paper, then fixed by a heated fuser.

Section D: Fill in the Blanks

Laser printer: a laser draws on the drum

Toner powder sticks to the charged areas

The fuser uses heat to fix toner on paper

A laser draws the image as static charge

Good for high volume and cheap per page

Section E: Spot the Error

B — The laser draws the image as static charge on the drum, not on the paper. It should be laser.draw(image, drum).

D — The fuser uses heat to melt the toner onto the paper so it stays fixed. It should be fuser.heat(paper).

C — Toner powder sticks only to the areas the laser has charged, not the blank areas. It should be toner.stick(chargedAreas).

B — Laser printers are fast and cheap per page, so they suit high-volume printing. It should be use laser printer.

C — A laser printer uses dry toner powder, not liquid ink. Liquid ink is used by inkjet printers. It should be toner <- powder.