While standard driver software offers basic alignment, the Adjustment Program provides detailed, pixel-level adjustments for bi-directional printing, paper feed, and head angularity. This is useful after replacing a print head or after severe mechanical shock to the printer.
Leave the Port selection on or manually select the USB port labeled with your printer's name. Click OK . Step 3: Access Particular Adjustment Mode adjprog l4150 l4160exe
| Error / Behavior | Likely Cause | Action | |----------------|--------------|--------| | “Communication error” | USB driver not in Epson “MFP Basic Mode” | Reinstall printer driver in single-function mode. | | “Model mismatch” | Wrong .exe for your printer | Use L4150.exe for L4150, L4160.exe for L4160. | | adjprog crashes on launch | Missing VC++ redist or Windows 10/11 compatibility | Set .exe to Windows 7 compatibility mode + Run as Admin. | | Counter does not reset | EEPROM protected / tool version too old | Locate newer adjprog version (e.g., v1.1.0+ for L4160). | While standard driver software offers basic alignment, the
Click the button. The software will read your printer's current chip values and display the percentage. It will likely show 100%. Click OK
is a specialized service utility used to perform maintenance and diagnostic tasks that are typically restricted to authorized service centers. Its most common use is resetting the , which triggers a "Service Required" error when the internal ink absorbers are theoretically full. Key Features of the Adjustment Program
Using this tool requires strict adherence to a specific workflow. In most distributed versions, the .exe is locked and requires a unique from your computer to generate a license key.