Epson M1120 Adjustment Program

The Epson M1120 Adjustment Program, also known as the Epson Resetter, is a specialized utility designed to manage internal printer maintenance tasks that standard drivers cannot handle. Its primary function is to resolve "Service Required" errors by resetting the waste ink pad counter, which automatically halts printing when it reaches its maximum limit to prevent internal ink leakage. Key Features of the Adjustment Program

This model-specific software provides several diagnostic and maintenance tools:

Waste Ink Pad Counter Reset: Resets the internal counter to 0%, allowing the printer to resume operation after reaching its service life limit. epson m1120 adjustment program

Print Head ID Setting: Allows users to input the print head identifier, often necessary after replacing a print head.

Printer Initialization: Configures a new mainboard or restores the printer to its default factory state. The Epson M1120 Adjustment Program , also known

EEPROM Operations: Reads and writes internal EEPROM settings for advanced troubleshooting.

Maintenance Tests: Performs nozzle checks, head cleanings, and paper feed tests directly through the utility. Step-by-Step: How to Reset Waste Ink Counters Waste-ink reset without replacing pads can cause ink

Using the adjustment program for the Epson M1120 typically involves these steps:

5. Safety, reliability, and risks

Alternatives to the Epson M1120 Adjustment Program

If you cannot find the adjustment program or are uncomfortable using it, you have three alternatives:

The Adjustment Program vs. Regular Drivers

Without this program, you would have to ship your printer to an Epson service center, often paying $100+ for a simple reset.


Will this void my warranty?

Yes. Using a third-party adjustment program is considered an “unauthorized service action.” Only use this if your printer is already out of warranty or you are comfortable taking the risk.

4. Workflow / Step-by-step checklist

  1. Confirm the exact printer model (Epson M1120) and firmware version.
  2. Back up printer settings if the tool provides a dump/export option.
  3. Verify waste-ink pad condition — if saturated, replace pads physically before resets to avoid overflow.
  4. Open the adjustment program; confirm it detects the printer model and status.
  5. Select intended task (e.g., “Waste Ink Counter Reset”) and read any warnings.
  6. Execute the operation; allow the printer to complete cycles without interruption.
  7. Power-cycle the printer after completion.
  8. Run test prints (nozzle check, alignment) to confirm successful action.
  9. Re-check counters/status in the tool or printer panel.
  10. If problems arise, restore from backup or run diagnostics; record error codes.