Computer printers are an important device for any business houses today. Using the printer is endless you can use a printer for printing reports, documents, newsletters, editing or printing photos. One of the most preferred printers in many big companies now houses a laser printer.
A laser printer uses a laser beam to produce an image on a drum. The light that triggers the laser changes the electrical charge on the drum. The drum is then rolled through a toner collected were charged parts of the drum. Laser printers are the most ideal printing tools for printing today. Laser printer is known for its print quality text printing and excellent graphics. Although laser printers have a much higher cost than inkjet or dot matrix printer has been compared, but they have an operating cost comparatively much lower.
Laser printers are controlled by the page description language (PDL). Language to describe two de facto standards,
• Printer Control Language (PCL)
• PostScript
Most software can print using either of these languages to describe. Advice you can choose the right printer
• Decide what kind of documents you print
• Decide what you will be presented as the ability to handle large files, the ability to print on different media, two or more paper cassettes, etc., must
• Compare the print quality of different printers
• Compare the decisions of the various printers
• Compare the speed specifications of different printers
• Check the paper path the printer more than 90 degrees is treated envelopes, cardstock, and transparencies.
• Compare the guarantees of the printer and contact services.
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By: maghaliqhna dzulfiqar
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Showing posts with label laser printer. Show all posts
Showing posts with label laser printer. Show all posts
Sunday, December 11, 2011
Sunday, December 4, 2011
Basic Info About Laser Printers
A printer that uses a laser and the electrophotographic method to print a full page at a time. The laser "paints" a charged drum with light, to which toner is applied and then transferred onto paper (see electrophotographic for more details). Desktop laser printers use cut sheets like a copy machine. Large printers may use paper rolls that are cut after printing.
Resolution and Features
Laser printer resolution is typically from 300 to 1200 dpi, but specialty printers can reach imagesetter resolution of 2400 dpi. Options such as duplex printing (both sides) as well as collation, stapling and 3-hole punching may be available.
Small, Medium and Large
Low-end laser printers print in the 4 to 8 ppm range, while typical office workgroup units print 17 to 32 ppm. Midrange units print in the 40-60 ppm range, with a large jump to high-end printers that print from 150 to more than 1,000 ppm.
Color
Color lasers are slower than their monochrome counterparts, typically in the 4 to 10 ppm range. At the other end of the spectrum, high-end "digital printing presses" can print 70 or more duplexed color pages per minute, producing finished booklets and manuals. See color laser printer and digital printing.
Laser-Class
There are several technologies that fall into the laser category, but do not actually use a laser. LED printers use an array of LEDs to beam the image onto the drum, and electron beam imaging (ion deposition) creates the image with electricity rather than light. Solid ink printers propel a waxlike ink onto the drum.
History
In 1975, IBM introduced the first laser printer, the model 3800. Later, Siemens came out with the ND 2 and Xerox with the 9700. These self-contained printing presses were online to a mainframe or offline, accepting print image data on tape or disk.
In 1984, HP introduced the LaserJet, the first desktop laser printer, which rapidly became a huge success and a major part of the company's business. Desktop lasers made the clackety daisy wheel printers obsolete, but not dot matrix printers, which are still widely used for labels and multipart forms.
By: Sharif
Resolution and Features
Laser printer resolution is typically from 300 to 1200 dpi, but specialty printers can reach imagesetter resolution of 2400 dpi. Options such as duplex printing (both sides) as well as collation, stapling and 3-hole punching may be available.
Small, Medium and Large
Low-end laser printers print in the 4 to 8 ppm range, while typical office workgroup units print 17 to 32 ppm. Midrange units print in the 40-60 ppm range, with a large jump to high-end printers that print from 150 to more than 1,000 ppm.
Color
Color lasers are slower than their monochrome counterparts, typically in the 4 to 10 ppm range. At the other end of the spectrum, high-end "digital printing presses" can print 70 or more duplexed color pages per minute, producing finished booklets and manuals. See color laser printer and digital printing.
Laser-Class
There are several technologies that fall into the laser category, but do not actually use a laser. LED printers use an array of LEDs to beam the image onto the drum, and electron beam imaging (ion deposition) creates the image with electricity rather than light. Solid ink printers propel a waxlike ink onto the drum.
History
In 1975, IBM introduced the first laser printer, the model 3800. Later, Siemens came out with the ND 2 and Xerox with the 9700. These self-contained printing presses were online to a mainframe or offline, accepting print image data on tape or disk.
In 1984, HP introduced the LaserJet, the first desktop laser printer, which rapidly became a huge success and a major part of the company's business. Desktop lasers made the clackety daisy wheel printers obsolete, but not dot matrix printers, which are still widely used for labels and multipart forms.
By: Sharif
Friday, December 2, 2011
How Do You Know When To Replace The Printer Drum Cartridge?
You may not understand how important your printer drum cartridge is but it truly is the heart of your printer. Each time you process a document and send it to your printer, your drum cartridge will transfer the needed printer toners onto the paper and will carry out your printing. Two major factors will let you know it is time to change your printer drum cartridge.
First, your printer will generally have a built-in alert that is designed to let the user know when it is running low on toner. If your printer has a digital display it will generally alert you in writing and with a sound that it may be time for a change.
Second, If the color of the printer ink is beginning to fade or you notice lines running through the printer ink on the paper, then these are pretty good indicators that it is time to change your printer drum cartridge.
The thing you will need to do is refer to the user manual in order to learn what types of printer drums are compatible with your machine. Once you have determined this you will simply need to acquire the correct printer drum cartridge. Additionally, laser printer drums have a certain life span, and this is usually specified by the number of pages they can print before needing replacement.
First, your printer will generally have a built-in alert that is designed to let the user know when it is running low on toner. If your printer has a digital display it will generally alert you in writing and with a sound that it may be time for a change.
Second, If the color of the printer ink is beginning to fade or you notice lines running through the printer ink on the paper, then these are pretty good indicators that it is time to change your printer drum cartridge.
The thing you will need to do is refer to the user manual in order to learn what types of printer drums are compatible with your machine. Once you have determined this you will simply need to acquire the correct printer drum cartridge. Additionally, laser printer drums have a certain life span, and this is usually specified by the number of pages they can print before needing replacement.
Thursday, December 1, 2011
Interesting Things To Know About Printer Drums
Specially coated printer drums are used in laser printers. Such drums are responsible for and a key element in rendering quality images when printing. The printer drum holds an electrostatic charge and receives images from / via the laser. It's ( the drum's ) main job is for pushing out the toner particles and transferring images in to the paper to produce the final image that prints out on the paper.
As a central component that determines the quality of the printers output, the printer's drum should be handled with proper care because once dented or even scratched the printer drum could than negatively affect the printers printing quality. Prints may then have unwanted dots, lines or even cause the image to be deleted.
Printer drums have a certain life span. The drum usually can print up to 20,000 to 50,000 pages approximately depending on the drums rating. Some factors such as exposure to light can shorten the life span of a drum. If a printer drum is over used it may also have difficulty producing quality prints at its best resolution.
As a central component that determines the quality of the printers output, the printer's drum should be handled with proper care because once dented or even scratched the printer drum could than negatively affect the printers printing quality. Prints may then have unwanted dots, lines or even cause the image to be deleted.
Printer drums have a certain life span. The drum usually can print up to 20,000 to 50,000 pages approximately depending on the drums rating. Some factors such as exposure to light can shorten the life span of a drum. If a printer drum is over used it may also have difficulty producing quality prints at its best resolution.
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