pin-feed paper
dot matrix printer
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Dot Matrix printer is the best option although we have some other alternatives. Dot matrix printer puts the pressure while in contact with paper, which is necessary in carbon printing. surendra pathak
Dot matrix printers are typically used with carbon copy paper to create duplicate copies of documents. The impact of the printer's pins against the paper transfers the ink from the original document onto the copies beneath it.
The difference is the technology used in the printing. The dot matrix printer uses a matrix of needles that press through an inked ribbon to leave marks on the paper. The laser printer uses a roller system to leave charged area on the paper which attracts toner (fine particles of pigment) to stick to the paper. The dot matrix printer is largely obsolete nowadays; it has been replaced by laser/ink jet and thermal systems which are much quieter - making them more suitable for office and home use.
YOu can use dot-matrix printer for carbone paper or a lazer printer with special label to cover the PIN such as PHS system from Otto Kunnecke
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Often used in an office, a dot matrix normally uses continuous, fan-fold, listing paper. A tractor roller (pegs on the roller engages punched holes on both edges of the paper) is used to feed the paper through the printer. This set up means that the printer can be left unattended while printing lots of data over many hours. Some dot matrix printers may have rubber rollers instead of a tractor roller. The paper used here could either be A4 or A3 single-sheet paper, or if a detachable tractor unit is clipped on to the printer, listing paper (as described above) could be used as and when required.
That would be called a DOT-MATRIX printer. The oldest being the 9-pin dot matrix printers and the newer being the 24-pin dot matrix printers. However they are considered outdated except as receipt printers, or any kind of printing where multi-part forms are required.
Known as a tractor feed, in which a roller with pegs that engage in holes punched along both edges of the paper, is used to move the paper through the printer. The paper used is normally continuous fan-fold listing paper. The second type of dot matrix is one that has rubber rollers instead of a tractor feed. Here, single sheets or two sheets with a carbon sheet in between, can be either hand fed or auto fed from a paper tray. A detachable tractor feed tool can be fitted if continuous listing paper is to be also used on this type of dot matrix printer.
A dot-matrix or a daisy wheel printer is used to print on multi-part forms and listing paper. Such printers are known as impart printers.
A dot matrix is known as an "Impact Printer" in which pins (usually 9 pins or 24 pins) are fired against an inked-ribbon (as used in typewriters). This enables the use of multi-paged, continuous, listing paper to be used in an office, and can be left unattended to complete long print jobs. A tractor roller, that has pegs that engage with holes punched both sides of the paper, will draw the paper through the printer. If a rubber roller is used, instead, standard A4 single-sheet paper, or two pages with a carbon sheet between, can be fed into the printer either by hand or from a paper storage tray.