The Di LaserJet Toner Cartridge 71A without a chip typically refers to a version of the toner cartridge that lacks the chip component, which is often found in many printer toner cartridges. The chip in a cartridge is used for tracking the toner level, controlling usage, and communicating with the printer to verify the authenticity of the cartridge.

Without the chip, the printer may not be able to accurately detect the toner level or recognize the cartridge as valid. However, some users opt for non-chip versions of toner cartridges because they can sometimes be less expensive, especially in the aftermarket market.

When using a toner cartridge without a chip, here are some important considerations:

1. Printer Compatibility: Some printers might refuse to recognize the toner cartridge without a chip, or they may display errors such as "Cartridge not recognized." This could limit the usability of the cartridge unless the printer is modified or certain firmware is used.

2. Toner Level Display: Without the chip, the printer will not be able to monitor or display the remaining toner level, so you'll need to manually monitor print quality and replace the cartridge when it starts to run low.

3. Print Quality: Depending on the quality of the toner and the manufacturing process, you may experience variations in print quality compared to the OEM (Original Equipment Manufacturer) toner cartridges.

If you need to find such cartridges or have concerns about using them, many aftermarket suppliers offer 71A cartridges without chips for various HP LaserJet printers. These are sometimes labeled as "compatible" or "remanufactured" toner cartridges. Make sure to research the supplier’s reputation to ensure you're getting a quality product.