The program provides access to "Particular Adjustment Mode," which allows for several technical operations beyond standard driver capabilities: Waste Ink Pad Reset

: Clears the internal counter that tracks ink usage during head cleanings. When this counter hits 100%, the printer locks to prevent ink overflow. Print Head ID Setting

Epson Adjustment Program (also known as the AdjProg or Service Tool) is a specialized maintenance utility used to service Epson Expression Home XP-series printers. Its primary function is to resolve "Service Required" errors by resetting the Waste Ink Pad Counter once it reaches its software-imposed limit. Core Functionality