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In what situations that the impact printer is a better choice than the non-impact printer?
An impact printer makes its image by striking the paper through an ink ribbon, using a hammer in the shape of the image (think typewriter hammer) or with wires that make dots (think dot-matrix printer). The advantage of the impact printer is that it can make multiple copies at the same time, either when you use multi-part paper with interleaved carbon paper, or with special paper (NCR type paper) that is pressure sensitive. A non-impact printer, such as a laser or ink jet printer can not do this. Multiple copies must be made by running multiple sheets of paper through the printer. One case of an impact printer is in a point-of-sale situation, where you want a copy for the store, another copy for the customer, another copy for billing, etc. While you can do this with non-impact printers, one advantage is auto-collation, and another is that you can write on the top copy (think "Paid on a certain date") and that will transcribe to the other copies.
Lexmark z645 and the disc is 640 but it does not work on your computer this is a printer?
Unless it states otherwise you can usually use most drivers in the z64x family.Go to Lexmarks support site and see if they have updated drivers. They also have the manuals there.You can also go into properties and see if you can renew the drivers.Go to the Device Manager and see if the printer is showing up or not.Can you see the printer in the computer and does it send the print job but doesn't make it to the printer? If so then if it's connected to a router via USB then it's probably a network problem, either the login or the connection is the problem. Trade USB cables.
Will reducing carbon in steel increase malleability?
Yes. Carbon is added to iron in steel to make the steel stronger by making it more rigid. The more rigid a metal is, the less malleable it is.
Type of xerox machine?
When people use the term "Xerox machine" they usually refer to a copier or a printer. In that sense, a Xerox machine is used to make copies of documents, or images of other small objects that can be placed on the platen, or to print the output from a computer or facsimile (Fax) machine
How do plotters work?
A plotter is an output peripheral device used with a computer, that can be likened to a printer. However instead of printing text or images, a plotter is more usually used to draw up technical plans and blueprints. Instead of the print cartridge found in a printer, a plotter commonly uses a pen, although as will become apparent other implements can also be used in place of the pen. If you want to put a mark on a piece of paper with a printer, at a specific point, for example printing off some text, you need to make specific coordinates for where the text will end up on the page. When a printer sets to work, the paper feeds through the printer in a single pass, until the correct place down the length of the paper is found. Then the print head will move across the paper to the correct point and the printing will begin. If a whole page is to be printed, the print head will move across line by line until the text is printed. With a plotter, a similar method of moving the paper and pen holder are used to allow the pen to be in precisely the right point at the right time. However the order of print is different from a printer. The pen does not start at the top right moving to the left and then down a line. The plotter takes the whole image data, then calculates a path for the pen. While the path for the pen may look complicated while the pen is in motion, In fact the plotter has calculated the shortest route for the pen, that involves the least amount of crossed lines as possible. This not only makes the path more efficient, but also ensures there is the least possible chance of the final drawing getting smudged. As said earlier more than just pens can be employed, for example some plotters are used with small knife blades that pivot to follow the path of the plotter. These 'drag knife' cutters are used for such tasks as cutting out vinyl sheet to make custom signs, like the type seen on the sides of vehicles to advertise the details of a company, or tradesman.
