Whether it is a colour printer or a black and white printer that one is planning to buy, it is important to check some essential features for that good quality of print. Standard inkjet computer printers work on thermal inkjet technology and can be used as a copier, scanner as well as printer. Using the photo from the memory card, with the help of the USB drive and Pictbridge it produces very good quality prints. The device can be connected to the PC.

The black and white out put is generally faster than the colour output. The printing speed is around 24 ppm for black and white prints and 17ppm for colour. The colour prints come in about six brilliant shades. The printer also works as a standalone copier and is absolutely necessary for office use. Most of the printers give an output of three thousand impressions per month which will do very well for any hard working office. Whether it is transparencies, documents, envelopes or photo paper or cards the printer can take on a variety of tasks. The unit weighs less than 3 kg with an average height of 280 to 300 mm, it can take a load of 100 sheets of paper at a time. This saves one the effort of manual loading for every small job to be done.

There are other printers which offer functions like faxing in addition to copying, scanning and printing. High speed faxing can also be done with the help of the speed dial option. This function is very useful for offices where the fax message or document needs to be instantly made into a hard copy. Merely by pressing the appropriate button the fax text emerges out as a printed message. The printing speed is anywhere between 22 to 32 pages per minute depending on whether it is colour or black and white.

Some media type of printers can hold 250 sheets at a time and process at a speed of 96 MHz. Some laser printers are installed with RAM and have a memory capacity of 8 MB.  It is a good idea to check the noise level of the machine because some printing machines are rather and when the work is continuous the noise can be extremely grating especially in an office where people are working under tremendous pressure. The noise level should not therefore exceed 51 db when it is working.

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