A Few Advantages Of Black And White Printers
Many types of printers exist. They range in size from the smallest photo printer to ones so large they take up a small room. But in spite of these obvious differences, they can be classified by their technology. Some are dot matrix, others use thermal or heat transfer, yet others use ink-jet, and some use lasers. Of the last classification, many are used by offices, most of which are black and white printers.
Laser machines cost more up front. The toner cartridges are higher priced. But, because they can print more per cartridge, the cost per page is much lower. So, over time, these machines can actually be less expensive and save money.
The way they produce prints leads to a much higher resolution. These printers can make images that are up to ninety six hundred by twenty four hundred dots per inch. Even at these high resolutions, these devices can maintain their rapid speed. Other printing devices are limited in their capacity and can only run at around twenty to thirty pages per minute. High speed laser machines can deliver at speeds of up to twelve thousand copies per hour. About ten times faster than other types of printers.
These devices use a substance called toner. Toner is comprised of dry or powdered ink and little pellets of plastic. Because the ink is stored dry, this type of machine can sit idle for months between uses. An ink-jet printer cannot, the ink paths dry out, ruining the printer. Also, toner cartridges can hold thousands of pages worth of toner. This is usually at least a month’s worth of toner. When they do run out, they are easier to refill than other types of cartridges.
Since these machines work by fusing or melt toner to the paper, they must heat up when turned on. Once this component is ready, however, print jobs begin faster. The fastest printers can usually begin a job within fifteen seconds or so.
A number of these machines have the capacity of creating two sided prints. A page is printed on one side and sent to the duplex unit. From there, the paper is inverted and the backside is printed. A lot of these kinds of machines will also staple jobs as they are finished. Many even come with features found primarily in copy machines, such as the prioritizing of jobs. Some allow for job interruption.
‘All in one machines’ are more versatile variations. These devices come with a built-in copier, scanner, and fax machine. All of them have internal memory. Some can even hold as many as six hundred pages at a time. This makes them even faster. Once the first page is processed, the print job starts, even as additional pages are sent from the computer.
Many of these machines function as shared printers. Traditionally they have been attached to their network by cable. Now, however, they can be attached through a wireless connection.
Black and white printers have actually been around a long time. Laser technology is the oldest of printing device technology. These machines have been a dependable work horse in the office for more than a generation. With their durability and reliability, they are likely to form the backbone of office printing for a long time.
I have more reviews and information about all in one printers at my Web site. You may also be interested in reading my article on color laser printers.
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