List the seven steps used by a laser printer to print a page.
answer
1. Processing. The print job is rendered and a bitmap of the page is created.
2. Charging. The drum is conditioned to contain a high electrical charge.
3. Exposing. A laser beam discharges the high charge down to a lower charge, but only in places where toner should go
4. Developing. Toner is placed onto the drum where the charge has been reduced.
5. Transferring. A strong electrical charge draws the toner off the drum onto the paper.
6. Fusing. Heat and pressure fuse the toner to the paper.
7. Cleaning. The drum is cleaned of any residual toner and electrical charge.
question
During the laser printing process, what determines when the toner sticks to the drum and when it does not stick to the drum?
answer
During the writing phase, the uniform high charge is discharged only in the places where toner is meant to stick to the drum.
question
What type printer is most dependent on the quality paper it uses to get the best printing results?
answer
Inkjet printer
question
What should you do if an inkjet printer prints with missing dots or lines on the page?
answer
Clean the inkjet nozzles (manually for older inkjet printers or automatically for newer ones).
question
What can you do to help a dot-matrix printer last longer?
answer
Keep the print head cool
question
What feature on a printer must be enabled so that a printer can automatically print on both sides of the paper?
answer
Duplex printing or 2-sided printing
question
What is likely to be the problem when a laser printer consistently produces pages with gray print?
answer
The image drum is worn out and needs replacing
question
What kind of printer is assigned an IP address?
answer
A network printer
question
What two tools can you use to remove loose toner from inside a printer?
answer
A toner vacuum and an extension magnet brush
question
How can you prove a printer problem is not with the printer itself but lies with the network, computer, OS, or application?
answer
Print a self-test page using printer controls
question
When you get a toner-low message, what can you do to extend the life of the toner cartridge before you replace the cartridge?
answer
Gently shake the toner cartridge to redistribute the toner
question
What causes a ghosted image on a printout?
answer
The drum is not fully cleaned
question
What is likely the problem when a portion of a complicated page does not print?
answer
The printer does not have enough memory
question
What can you do to verify a printing problem is with an application or a document and not with Windows?
answer
Print a Windows test page
question
In a Home Theater PC, what is the purpose of an HDMI output port?
answer
To output video/audio to television
question
In a Home Theater PC, why might you need an HDMI input port? Which type of adapter card might provide this port?
answer
To connect the HTPC to a TV cable box. A video capture card might provide an HDMI input port
question
Which of these systems require the best graphics card, a CAD workstation or a virtualization workstation?
answer
A CAD workstation
question
Which is generally a better GPU, one in the NVIDIA Quadro family or one in the NVIDIA GeForce family?
answer
The NVIDIA Quadro family of GPUs
question
Which socket mentioned in the chapter does Intel recommend you use with liquid cooling?
answer
Socket LGA2011
question
How many speakers or sound channels do surround sound version 5.1 use?
answer
Up to six channels and speakers
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