The Epson Stylus Pro 4900 is not designed to be carried by one person. Due to its weight, it needs a rigid table to stand on. The versatility of this product implies you have various different types of media on stock, that you preferably keep close to your printer.
The Cabinet support for the Epson Stylus Pro 4900 does exactly what it is designed for. It has 4 casters to roll it easily to any area in your office, even by one person. It can store several boxes of A2 media as well as rolls of 16" and 17" media as well as a lot of ink.