A printer is an essential instrument in the office. An all in one printer can be used for many tasks such as printing, copying, scanning, and fax machine. Therefore, the office can use only one single printer to do many things. This will simplify the works in the office. Epson WorkForce ST-4000 is an example of the all in one printer. It is a newly developed printer in Epson. The benefit of using this printer is the ink capacity. It has such a huge ink tank. Therefore, it can be used for printing many documents as well as photo paper.
The printing technology of Epson WorkForce ST-4000 is Inkjet. This technology can produce maximum print resolution up to 4800 x 1200 dpi. Meanwhile, the print speeds of this printer are 8 ppm and 15 ppm for color and black documents. This printer also can be used duplex printing to save more pages. This printer is built by 4 ink tanks. It consists of cyan, magenta, yellow, and black documents. This printer can print documents up to 5000 pages for each month. Meanwhile, the scanner of this printer is developed with Flatbed and Automatic Document Feeder (ADF). The image sensor is designed with the Contact Image Sensor (CIS). The scanner can produce a maximum scan resolution up to 9600 dpi. The maximum scanning area is 21.59 cm x 29.72 cm. Meanwhile, the copy speeds of this printer are 5.5 cpm and 11 cpm for color and black documents. The copier can be used for reducing and enlarging the size of documents up to 25 – 400%. The copier also can do duplex copying. The maximum number of copies is 99 copies. This printer also can be used as a fax machine. The modem transmission speed of this fax machine is 33.6 kb/s. Meanwhile, the fax memory is about 100 pages. The speed dial capacity is 60 numbers. This printer is supported by an Automatic Paper Feeder and Standard Input Tray. The capacity of the Automatic Paper Feeder is 30 sheets. Meanwhile, the capacity of the input tray is 250 sheets.
Epson WorkForce ST-4000 is supported by some types of interfaces such as USB Type B and Wi-Fi. This printer is also able to be used as a mobile printer. Some supported applications for mobile printing are Apple AirPrint and Mopria. Meanwhile, the direct printing is supported by Android and Wi-Fi Direct. The compatible operating systems are Windows and Mac OS X. This printer is designed with a 2.4” touchscreen to help the user in operating the printer. Meanwhile, the power consumption of this printer 12 W, 5.4W, 1W, and 0.2W for operating mode, ready mode, sleep mode, and off mode. The noise level of this printer is 52 dBA and 6.4 dBA in operating and sleep mode. This printer is designed with the size of the physical dimension about 375.9 cm x 231.1 cm x 348.o mm. Meanwhile, the weight of the printer is about 7.3 kg. This printer is best when operating in the humidity of about 20 – 80%.