All businesses, whether large or small, and most home users need a printer linked to their computer(s). We are not talking about huge amounts of printing where you would go to a professional printer; this is for home & office use. Nowadays all offices are computerised, but most are not paperless. They print hundred of documents, whether they be letters, copies of letters, reports, print outs of emails or of web pages, invoices, spreadsheets, images & photographs – the list is endless.
Many years ago people used carbon paper to make copies of letters that they typed. Today people produce a letter or email on their PC or laptop and either just store the information on their computer or print another copy for filing. Everything used to be black & white - the first colour copiers and then printers were very expensive but now with demand the prices have come down.
Computer Printers are either linked to a computer by a cable, network or have a wireless connection. Some also act as scanners, fax machines and copiers.
There are 5 main types of printer based on how the toner or ink gets onto the paper:
No comments:
Post a Comment