Epson 5113 First Locked Printhead

The Epson 5113 First Locked printhead is an original Epson printhead with a first-generation lock encryption designed to protect Epson's patented products and market share. The first locked printheads were quickly cracked by manufacturers because the encryption algorithm was relatively simple. As such, cracked first locked printheads perform similarly to unlocked printheads in terms of speed, ink output, and service life.

Key details about the Epson 5113 First Locked printhead:

• It requires a decoder card to be used.

• It is compatible with water-based inks or thermal transfer inks.

• The locking status can be identified by the letters under the QR code on the printhead cover; "GRH" indicates a locked printhead, while letters like "G, GR, GH, and H" indicate unlocked printheads.

• The first locked printhead is less secure compared to the second locked version, which uses a more complex encryption algorithm.

• There are no operational differences between the cracked first locked printheads and unlocked ones, meaning the first locked printheads can be used normally after cracking.

• Using locked printheads with decoder cards helps prevent the use of counterfeit or unauthorized printheads.

• It is used in Epson printer models like WF5113, WF4630, WF5623, WF5620, and WF5110.

In summary, the Epson 5113 First Locked printhead is an original Epson product with a first-generation encryption lock that has been cracked by third-party manufacturers, allowing it to function normally with compatible decoder cards but maintaining Epson's initial intention of protecting their products and market share through locking technology.