Which is better depends on what you need to do. Dry toner (powder) is the more common kind of xerographic copier and printer, but liquid toners (and the machines that use them) are still offered for certain functions.
Oce toner is a special kind of toner that is mostly used in continues feed professional color printers that are used for high quality production printing.
The Xerox DocuColor is an all-in-one printer/copier/scanner. This model is no longer in production, however, you can still buy used models and supplies.
The actual name for the device is the HP LaserJet 1020 printer. HP 1020 toner is the title for Hewlett-Packard's toner cartridges that are meant to replace those that come with the device when they run dry.
I know the ink I have purchased in the past is a liquid and the toner is kind of like a powder. The ink doesn't seem to last as long as toner does. I prefer toner over ink because all though it may be a little more expensive it does seem to last much longer than ink.
http://www.printerinks.com should cover your need of toner cartridge, just check which type and what kind of ink you need, and check it's availability
A Brother tn 560 is a specific kind of toner cartridge. The toner cartridge stores the ink within laser printers that is used to print. Brother claims this cartridge is the best.
Xerox mainly produce photocopiers, however they also produce a range of multifunction printers and software. They introduced the first desk top printer; followed ten years later by a colour enabled printer.
A "Xerox machine" is any machine made or marketed by the Xerox Corporation. Xerox Corporation markets a wide variety of machines that perform different functions and operate on widely different principles. It is not possible to say that all of them use any one thing in common, except, perhaps, electricity. Many people incorrectly say "xerox machine" when they mean to say "copier." Copiers use light to illuminate the original, and light to paint the image on the photoreceptor drum. Light can be described as consisting of "rays."
The piece of equipment that uses a C3906a toner cartridge is the HP 06A LaserJet printer. The ink cartridges can be purchased from a number of locations, both online and from brick-and-mortar retailers.
Whether you have to take a test before getting a job at Xerox depends on the kind of job you are trying to get. Some jobs require skills for which testing is a good assessment of ability. Other jobs come only with interviews - sometime a whole lot of interviews with many different people. Many, but not all, jobs at Xerox Corporation do require a drug test.
Certain printers do, yes. These types of printers are called Laser Printers. The other type, which uses nozzles and ink cartridges, is called an Ink jet Printer. The drum on a laser printer might not be the kind you're thinking of. It's actually just a big rotating tube that transfers the toner from the toner cartridge to the paper. The toner is particles that have a positive charge, and are attracted to the drum where there is a negative charge (The drum is negatively charged by a laser, thus the name Laser Printer).