If you are a hardware enthusiast, you can replace the physical waste ink pad (inside the printer) and then use the adjustment program to reset the counter. This requires disassembling the printer. Tutorials exist, but it voids your warranty.
The Adjustment Program (often called a "reset key" or "service tool") is proprietary software designed by Epson for authorized service centers. It is not meant for public distribution. epson et2600 adjustment program free download link
This low-level utility communicates directly with the printer’s firmware. Its primary functions include: If you are a hardware enthusiast, you can
Using an adjustment program voids your Epson warranty. Why? Because Epson designs the waste ink pad to be replaced by a technician who also cleans the printhead mechanism. Resetting the counter without changing the pad can eventually cause ink to leak inside the printer, damaging electronics or leaking onto your documents. The Adjustment Program (often called a "reset key"
If your printer is still under warranty, do not use an adjustment program. Contact Epson support for a free repair or replacement.
Here is a typical scenario we see on tech support forums: