These days it is possible to buy a wide variety of printers from large to small, black and white to color. One can get an all in one copier, printer for home use from any office supply store, computer store, or general department store like Target. Commercial copiers are available from Xerox or Office Max.
It's unclear what a dual printer photocopier is. If one is looking for a printer that is also a photocopier, there are many available by a variety of brands. Check out Best Buy or Future Shop.
Multi Function Devices (called All in One) device with printer scanner fax photocopier
You can purchase a color photocopier at a variety of stores. Future Shop, Staples, Office Depot, Grand & Toy are just a few examples of stores you could purchase a color photocopier.
drum Same on a photocopier.
yes
When you do that you get a photocopier.
One can purchase an OKI Data printer from the official OKI Data website. One can also purchase this printer from Staples, Office Max, Tiger Direct, Amazon, or eBay.
Xerographic photocopier, laser, computer based controller.
One can purchase a Designjet Printer by going to the HP Direct website. The website has a number of printers that are for sale, including the Designjet Printer.
It can be. Some scanners come with software to 'imitate' a photocopier. You scan a document, then print it out using a separate printer. However it's possible to buy printer/scanners that do the job without the need for a computer - I have one made by Hewlett Packard that will photocopy without being connected to my computer.
by default it is only a copier.fax but it can be modified as a printer as it has a NIC and a usb connection
One can purchase a digital photocopier in many places such as the local supermarket like Walmart and Target. One can also purchase such a copier online on websites such as Amazon.