Month: December 2022

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Inkjet Printers That Do Not Require a Color Cartridge

Monochrome printing devices once dominated the office desktop. Color arrived in the form of bulky, expensive equipment that only print shops and big corporations could afford, then democratised to meet small-business budgets. That doesn’t mean the need for or usefulness of black-and-white devices went away. Monochrome hardware, such as inkjet printers that never require a colour cartridge, continues to serve niche markets. Desktop PrintersInkjet printers produce photos, business charts, and graphics in vividly saturated colour. However, inkjet manufacturers also produce monochrome models for business use in offices, where printed output primarily consists of forms and other documents that do not require colour. Designated for sale in limited regions and designated for emerging markets, these devices feature inexpensive operation in a compact size. Simultaneously, manufacturers offer high-speed monochrome inkjet printers that can compete with the output performance of monochrome laser printers. Some of these devices offer PostScript emulation, advanced networking capabilities, multiple paper trays and other features that dominate the laser printing market. Label PrintersBarcodes, short-use ID badges, shipping labels and addressing for direct mail campaigns are three of the applications served by monochrome inkjet hardware. From desktop-sized label printers to industrial hardware, these units serve specialised needs in business and manufacturing with output at resolutions equivalent to 600 dots per inch. Inkjet hardware, which is integrated into printing presses, combines what would otherwise be two steps in the production of materials for mail distribution: mailpiece printing and addressing. Some of these inkjet devices can replace thermal printers in installations where the readable images left behind on ribbon-based thermal units pose a liability risk due to confidentiality and security. Short-Run PublishingChanges in the processes of book manufacturing, including print on demand and self-publishing, require new and more economical output methods to accommodate short runs. Large-footprint monochrome inkjet devices can replace conventional printing presses in producing books, sheet music, manuals and user guides with no colour illustrations. These devices combine high-speed output, high resolution, and integrated finishing equipment to produce entire books in a single pass through a single machine. PlottersPlotters are still used by architectural and industrial designers to create computer-aided design documents that show construction documents, device designs, and building floor plans. Although the term “plotter” originally referred to hardware that used actual ink pens mounted on computer-guided printing arms, plotters today use inkjet mechanisms, including monochrome implementations, to achieve the same results at faster speeds. These devices can print on a variety of materials, including sheet- and roll-fed paper and translucent plastic. *Other Model AvailableRICOH MPC3503/ MPC5503 | RICOH MPC3504/ MPC5504 CONTACT US: 03-3341 6296 | 018-788 6296 | 018-228 6296

15/12/2022 0

How Does a Dot Matrix Printer Work?

Dot matrix printers, also known as impact matrix devices, are an older type of printer that uses an ink-soaked ribbon similar to a typewriter. During the 1970s and 1980s, these devices were the most popular low-cost printing option, but by the mid-1990s, laser and inkjet models had largely replaced them. Dot matrix printers, however, are still in use for some specialty applications as of the date of publication due to their ability to print quickly even on multi-part documents. Basic Printing FunctionCharacters are created on paper by striking an inked ribbon with a hard surface in all dot matrix printers. Dot matrix printers, unlike typewriters that use a similar mechanism, do not have fixed character shapes or fonts. Rather, each individual character is created by arranging a series of pins. Dot matrix printers can now be used for basic graphical printing, multiple fonts, and basic text printing – but the printout has a distinctive “dotted” appearance. Dot matrix printouts frequently produce poor-quality text that is difficult to read. Furthermore, dot matrix printers are generally noisier than inkjet or laser models. Media TypesMost dot matrix printers employ a “daisy-wheel” paper feeding mechanism that necessitates the use of special continuous-feed media with punched holes on the sides. They perform best on uncoated, thin paper. Dot matrix printers, unlike laser or inkjet printers, are suitable for use with multi-part forms such as shipping paperwork and invoices. Because of their impact-based printing capabilities, they can print on all parts of a single form in a single pass. Dot Size and Pin DensityThe number and size of pins in a dot matrix printer’s print head have a significant impact on print quality; even the best dot matrix printers cannot match the quality of inkjet or laser printers. The most basic dot matrix devices use only nine pins to generate each individual character, resulting in a pixelated, blocky appearance. More complex printers employ a greater number of smaller pins, resulting in greater detail and the elimination of the distinctive look of dot matrix text. Dual 9-pin and 24-pin print heads are common configurations for these printers. Modern UseDot matrix printers were phased out of common office and home use as inkjet and laser printers became more reliable and affordable in the early to mid-1990s. They remained popular in businesses that required continuous feed documents or multi-part forms. Due to the low demand for them, dot matrix printers are produced by a relatively small number of manufacturers and have become relatively expensive compared to inkjet and laser printers that offer similar functionality as of the date of publication. *Other Model AvailableRICOH MPC3503/ MPC5503 | RICOH MPC3504/ MPC5504 CONTACT US: 03-3341 6296 | 018-788 6296 | 018-228 6296

14/12/2022 0

Types of Impact Printers

Impact printers outnumbered inkjet and laser printers until the 1990s. An impact printer produces a printed character by striking a moulded letter made of plastic or metal against paper via an inked ribbon. In commercial data processing, personal desktop printing, and early forms of word processing, impact printing was widely used. Because the impressions were strong enough to penetrate several layers of paper, the method was ideal for multipart forms used in business and government. Dot MatrixThe print head of a dot matrix printer projects the tips of nine wires, forming a vertical column of dots. An electronic mechanism pushes the wires out with precision timing as the print head scans a page. The wire tips make contact with a ribbon, which makes horizontal patterns of dots that form letters, numerals, lines, and other characters. The mechanism can produce simple graphics such as line drawings and bar codes because the printer can control the placement of individual dots. Dot matrix printers make a shrill buzzing noise; they are not suitable for quiet environments unless they have a sound-deadening case. ChainA chain printer is made up of a series of metal characters and numbers that are arranged in a continuous loop, similar to the blade of a chainsaw. A row of hammers strikes the characters as they move around the chain behind the paper. The chain mechanism can print several hundred lines per minute, which is faster than a dot matrix. Because it is more complicated mechanically, the chain printer is also more expensive than a dot matrix printer. Its character set is limited to whatever is on the chain; graphics created with a chain printer are at best crude. A chain printer, like a dot matrix printer, is somewhat noisy. Daisy WheelDaisy wheel printers are roughly the size of a typewriter and were used as early typewriter substitutes. The print mechanism employs a collection of moulded characters arranged around the circumference of a circle; each letter is attached to the end of a thin metal or plastic stalk, resembling the petals of a daisy. A mechanism moves the daisy wheel across the page, causing the wheel to rotate and move the appropriate letters into place as an electric hammer strikes the character. The daisy wheels were designed by printer manufacturers to be replaceable; by changing the wheel, you could print with characters from different fonts. Daisy wheel printers are quieter than other types of impact printers, though some clatter is still produced. DrumDrum printers and chain printers share features and print at high speeds. Raised characters have been formed into the surface of a metal drum the size of a baker’s rolling pin. Electric hammers strike the paper as it rotates, forcing it against a ribbon that sits between the paper and the drum. The print drum is quieter than a chain because it makes no noise as it rotates, as opposed to the clatter that a chain makes as it spins. It prints only the characters on the drum, just like the chain printer. *Other Model AvailableRICOH MPC3503/ MPC5503 | RICOH MPC3504/ MPC5504 CONTACT US: 03-3341 6296 | 018-788 6296 | 018-228 6296

13/12/2022 0

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