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1. Office Copiers - A Glimpse Of Evolution And Functionality With evolution of technology, carbon paper copying has turned in to digital photocopying which is a necessity in every office that uses written documents. Researcher Chester Carlson, who liked to use his kitchen for his electro photographic experiments, invented office copiers when he found a way to duplicate documents using light and electricity and patented his technology under the name of 'Xerography'. This technology laid the foundation of the digitally enhanced office copiers we see today. Analog office copiers The early electric copiers were slow and inefficient. In order to make multiple copies, the documents needed to be scanned each time, separately. Somewhere around 1950 to 1960, color toner became available but they were scarce in quantity and therefore expensive and difficult to find. In order to make color toner commercial, the dye sublimation process replaced the conventional electrostatic technology, and in 1968, the colored office copiers became commercial and easily available. Digital office copiers Laser technology later replaced all of the older ones and copying became more efficient. Digital copiers today come with scan and save options. Once the data is scanned and stored in the internal memory, it is available anytime later for printing.

2. Since 2002, every digital copier in the market comes with a hard drive that stores files of every copy made, scanned, or faxed by the machine, enabling the office manager to keep a record of every employee's documents. Most office copiers come with a security code as well. Every employee is assigned a specific code so that if any ethical violation or misconduct occurs, the document can be traced back to the worker via the code. Integral parts of a copier Document Feeder / Platen This is the glass plate where the document that needs to be copied is fed. This part requires intensive care and cleaning. The glass should be saved from scratches of staples or any sort of smudges. Some manufacturers offer a special cleaning agent for the glass. Lens or scanner The digital office copiers today are equipped with a lens or scanner, below the platen, to capture the image of the document. Analog copiers used a lens and several mirrors for this purpose. Toner The ink used in the copier is referred to as the toner. The toner is in powder form, and is specially designed to carry an electrical charge. Single toned copiers use only black tone while polychromatic copiers use cyan, yellow, and magenta in combination with black to produce multicolored spectrum. Paper infix A drawer or the tray serves as the holder for the paper. This tray can hold anywhere from one to thousands of sheets of papers or the user will have to go through the trouble of fixing paper at every instant. Drum The image captured by the lens or scanner then transfers to the drum, which serves as a photo- receptive device and transfers the image on to the paper. The drum has an electrostatically charged surface providing an opposite charge as that of the toner as a result of which when the paper passes through the rotating drum the image of the toner is replicated on the paper. Fuse r The fuse r comprises two parts: a heat roller and a pressure roller. After the transfer of the image from the toner to the paper, the paper passes through these two rollers. The heat and pressure imprint the image on the paper permanently. Output tray Like the in-put tray or drawer, the output tray is also used to hold the papers securely. As the paper comes out of the copier, the ink is hot and can easily destroy the document by smudging if touched, therefore it needs drying, and tray serves as a base. Office copier brands Many recognized and well-known companies have invested in this business. The top copier brands include: • Brother • Canon • Copystar • HP • Konica Minolta • Kyocera Mita • Lanier

3. • Lexmark • Savin • Sharp • Ricoh • Toshiba • Xerox Purchasing a well-recognized brand guarantees good quality. And if an unexpected malfunction occurs, you have the manufacturer's warranty to get it fixed without any extra charges. However, the choice of which brand provides the perfect copier for you depends on your needs and the number of employees using the machine. Multipurpose copiers If you are in the market for a new copier, then the latest multipurpose copiers may serve your purpose. This means that in addition to copying, they also are good for printing, scanning, booklet making, punching , stapling and faxing. These copiers will probably cost more so you may want to assess whether the added cost is justified for your business. Correct-Tek Copier Service 1514 E. Waverly Ct. Arlington Heights, IL 60004 US Tel: 847-398-5212 Mobile: 847-398-5212 Email: ctcopier@sbcglobal.net Web: http://www.ctcopier.com/