The IK Cartridge 137A with chip is a type of toner cartridge designed for use in specific laser printers, usually by HP (Hewlett-Packard). It is a replacement toner cartridge, often designed for high-quality prints, and comes with a chip that helps the printer recognize and interact with the cartridge.

Key Features:

1. Cartridge Model: It is often a compatible or remanufactured version of the HP 137A toner cartridge.
2. Chip: The chip on the toner cartridge communicates with the printer to monitor toner levels, printer status, and ensure proper functionality. Without the chip, the printer may not recognize the cartridge or track toner usage.
3. Print Quality: The cartridge is designed to produce sharp, professional-quality prints, suitable for text-heavy documents and some color printing.
4. Compatibility: The cartridge is commonly compatible with a range of HP laser printers, especially those in the LaserJet and Color LaserJet series.

If you’re looking for a replacement or compatible toner, you should ensure the cartridge is the right model for your printer. Also, check whether the cartridge is original or compatible, as non-original products might have varying quality.