pctechguide.com

  • Home
  • Guides
  • Tutorials
  • Articles
  • Reviews
  • Glossary
  • Contact

Laser Printer Communications

A laser printer needs to have all the information about a page in its memory before it can start printing. How an image is communicated from the PC’s memory to a laser printer depends on the type of printer being used. The crudest arrangement is the transfer of a bitmap image. In this case there is not much the computer can do to improve on the quality, so sending a dot for a dot is all it can do.

However, if the system knows more about the image than it can display on the screen there are better ways to communicate the data. A standard A4 sheet is 8.5in across and 11in deep. At 300dpi, that is more than eight million dots compared with the eight hundred thousand pixels on a 1024 by 768 screen. There is obviously scope for a much sharper image on paper – even more so at 600dpi, where a page can have 33 million dots.

The major way quality can be improved is by sending a page description consisting of outline/vector information and allowing the printer to make the best possible use of it. If the printer is told to draw a line from one point to another, it can use the basic geometric principle that a line has length but not width, and draw that line one dot wide. The same holds for curves, which can be as fine as the resolution of the printer allows. The idea is that one single page description may be sent to any suitable device, which would subsequently print it to the best of its ability – hence the much-touted term, device independent.

Text characters are made up of lines and curves so can be handled in the same way, but a better solution is to use a pre-described font shape, such as TrueType or Type-1 formats. Along with precise placement, the page description language (PDL) may take a font shape and scale it, rotate it, or generally manipulate it to its heart’s content. There’s the added advantage of only requiring one file per font as opposed to one file for each point size. Having predefined outlines for fonts allows the computer to send a tiny amount of information – one byte per character – and produce text in any of many different font styles and many different font sizes.

  • Laser Printer Communications
  • Laser Printer Operation
  • LED Laser Printers
  • Color Laser Printers
  • Laser printer Consumables
  • Environmental Issues
  • Page Description Languages
  • PostScript Laser Printers
  • PCL Laser Printers
  • GDI Laser Technology
  • Adobe Print Gear

Filed Under: Laser Printers

Latest Articles

On the Go With Microsoft Office

If you have a tablet with Windows 10 installed, you are in for an extra bonus. Microsoft unveiled its new Office Mobile applications. These include the mobile versions of popular Office applications like Excel, Word, Powerpoint and OneNote. Users will now be able to easily edit documents with the … [Read More...]

New Technology Trends for the New Year (Part 2)

We recently published an article on three major technology trends to expect in 2020. We wanted to share some more in this piece. Hyperautomation: the revolution of the machines We are talking about the implementation of Artificial Intelligence (AI) in automation, that is to say, that the … [Read More...]

New Transfer Feature in Dropbox Enable Sharing files with Third Parties

Dropbox has been a popular P2P sharing platform for many years. They don't announce new features as often as other applications, since they have a good track record with creating great services already. However, Dropbox did recently announce the development of a new feature - known as "Transfer." … [Read More...]

Comments

  1. Andre says

    January 23, 2012 at 3:47 am

    Thank you. It’s really nice to see there are people who share what they learn….. the whole purpose of learning. Imagine if Isaac Newton held out on the rest of us.

    Cheers

    Andre

20 Cool Creative Commons Photographs About the Future of AI

AI technology is starting to have a huge impact on our lives. The market value for AI is estimated to have been worth $279.22 billion in 2024 and it … [Read More...]

13 Impressive Stats on the Future of AI

AI technology is starting to become much more important in our everyday lives. Many businesses are using it as well. While he has created a lot of … [Read More...]

Graphic Designers on Reddit Share their Views of AI

There are clearly a lot of positive things about AI. However, it is not a good thing for everyone. One of the things that many people are worried … [Read More...]

Redditors Talk About the Impact of AI on Freelance Writers

AI technology has had a huge impact on our lives. A 2023 survey by Pew Research found that 56% of people use AI at least once a day or once a week. … [Read More...]

11 Most Popular Books on Perl Programming

Perl is not the most popular programming language. It has only one million users, compared to 12 million that use Python. However, it has a lot of … [Read More...]

10 Exceptional Books on ChatGPT that Will Blow Your Mind

ChatGPT is a powerful new AI tool that is taking the world by storm. You are going to find a lot of amazing books that will teach you how to make the … [Read More...]

Guides

  • Computer Communications
  • Mobile Computing
  • PC Components
  • PC Data Storage
  • PC Input-Output
  • PC Multimedia
  • Processors (CPUs)

Recent Posts

How To Create A Windows Start Up Disk

You're going to need a Windows 98 Startup Disk to partition and format your PC's hard drive and then to provide CD-ROM support for the re-installation … [Read More...]

Troubleshooting Windows Defender Startup Problems

Windows Defender is a malware protection tool that was first introduced in windows XP back in 2003. It offered minimal protection during earlier … [Read More...]

GoodDeals Ads Removal Tips and Tool

GoodDeals Ads is an adware application that displays pop up ads. It is very pervasive and shows ads on just about every page that you visit. This PUP … [Read More...]

[footer_backtotop]

Copyright © 2025 About | Privacy | Contact Information | Wrtie For Us | Disclaimer | Copyright License | Authors