According to Epson, the WorkForce ST-C4100 and ST-C2100 Supertank Color MFPs come up with supersized ink tanks and up to two years of ink guarantee. It is said that the ST-C4100 and ST-C2100 have a small, compact footprint and offer up to 90 percent savings on ink with low-cost replacement ink bottles versus ink cartridges – equivalent to about 90 individual ink cartridges. The ST-C4100, powered by PrecisionCore Heat-Free Technology, includes enough ink in the box to print up to14,000 pages black/11,200 color and delivers a fast first page out and low power consumption. It has fax, auto two-sided printing, a 250-sheet paper tray, an auto document feeder (ADF), and a large 2.4″ color touchscreen. With Wi-Fi Direct and Ethernet for wireless and networking, users can easily print from iPad, iPhone, and Android tablets or smartphones. The ST-C2100, built with MicroPiezo Heat-Free Technology includes enough ink in the box to print up to 6,500 pages black/200 color. It delivers fast prints – even high-quality photo prints up to 4″ x 6″ – without sacrificing quality or low power consumption. The ST-C2100 has versatile connectivity options, with Wi-Fi, Wi-Fi Direct, and voice-activated printing.