The Epson EcoTank M1120 is a high-capacity, refillable ink tank monochrome printer designed for low-cost, high-volume printing. Like all Epson inkjet printers, it contains an internal waste ink pad (also known as an absorption pad or maintenance box) that absorbs ink purged during cleaning cycles.
Unlike older Epson printers, the M1120 requires a button sequence to enter "Service Mode": reset epson m1120