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Epson L6170 Adjustment Program Work 2021 May 2026

The Epson Adjustment Program (or "Resetter") for the is a specialized utility used to fix the "Service Required" error, which occurs when the printer's internal waste ink pad counter reaches its limit. Core Functions of the L6170 Adjustment Program

The workflow that works 99% of the time: epson l6170 adjustment program work

Performing Nozzle Checks: This function helps in diagnosing issues with the print heads. The Epson Adjustment Program (or "Resetter") for the

  • Maintenance: Used for head cleaning and ink charge.
  • Adjustment: Used for paper feed adjustments.
  • Waste Ink Pad Counter: This is the section you likely need.

Step 1: Bypassing Standard Driver Communication

When you print normally, your computer communicates with the printer via a high-level language (ESC/P-R). The adjustment program, however, uses a proprietary protocol (USB Class Vendor Specific). It sends raw hexadecimal commands (e.g., ESC @, ESC D sequences) that force the printer into a "maintenance mode." Maintenance: Used for head cleaning and ink charge

| Function in Program | What It Does Technically | Result | |------|------|------| | Waste Ink Pad Reset | Rewrites the specific EEPROM address (e.g., offset 0x1B4) from 0x64 (100%) to 0x00 (0%). The program also writes a checksum to avoid CRC errors. | Clears "Service Required" error. | | Print Head Alignment | Prints a specific calibration pattern (27 horizontal lines and 7 vertical blocks). You manually enter the best number (e.g., "4" for column 4). The program writes that value to the EEPROM head alignment table. | No more jagged lines; crisp text. | | Initial Ink Charge | Activates the ink pump motor for a defined period (usually 120 seconds) while opening all ink supply valves—bypassing the "low ink" sensor logic. | Brings ink from tanks to the print head after deep cleaning fails. | | Bi-D Adjustment | Adjusts timing for the carriage motor. It sends a test pattern and then fine-tunes the CR (Carriage Return) motor’s PWM duty cycle. | Fixes double printing or shadow effects. | | PF Adjustment | Changes the paper feed stepper motor’s micro-step algorithm. It compensates for mechanical wear in the paper rollers. | Eliminates horizontal banding in photos. |

  1. Open the Adjustment Program.
  2. In the "Model Name" dropdown, select L6170 (sometimes listed as L6170/L6190).
  3. In the "Port" dropdown, select the USB port your printer is connected to (e.g., USB001 or AUTO).
  4. Click OK.