Printers of different brands or models have the following differences in the methods of judging whether the chip is original:

1. HP:

• Display prompt judgment: After installing the original consumable chip of some HP printers, the LCD screen of the printer will display the words "Original HP consumables installed". If it is a compatible consumable, it will directly prompt to use non-original consumables. However, sometimes it may also display incorrectly due to problems such as oxidation of the printer contacts, which requires further investigation.

• Packaging and anti-counterfeiting logo: HP's original toner cartridges are packaged intact and have anti-counterfeiting labels and other logos. By observing the color changes of the anti-counterfeiting labels, laser patterns, and QR code queries after scraping off the coating, you can assist in judging the authenticity of the toner cartridges and chips.

2. Canon:

• Appearance feature judgment: The ink cartridges or toner cartridge chips of Canon printers are original products with fine appearance craftsmanship. The fonts on the surface of the chip are clear and regular, the color is uniform and not easy to be erased; the pins of the chip are bright and regular, without obvious oxidation or scratches. Non-original chips may have defects in these aspects.

• Print quality judgment: After installing the original chip, the print quality is stable, the color is accurate, and the image is clear. If a non-original chip is used, problems such as print color deviation, blurred handwriting, and ink leakage may occur.

• Cartridge model matching: Canon's different models of printers have specific requirements for cartridge chips, and it is necessary to ensure that the cartridge chip model matches the printer exactly. For example, when replacing the ink cartridge, if the chip model does not correspond, the printer may not be able to recognize or work properly.

3. Epson:

• Serial number verification: It can be judged by the serial number of the printer and the relevant information on the printed nozzle check page. The serial numbers on the printer packaging, the bottom of the body, and the nozzle check page should be consistent, and the authenticity of the serial number can be checked through official channels to confirm whether the printer and chip are original.

• Packaging integrity: The packaging of original Epson consumables is complete, with relevant anti-counterfeiting marks and labels. When purchasing, pay attention to check whether the packaging is damaged or unsealed, and whether the information on the label is clear and accurate.

4. Pantum:

• Model compatibility judgment: Different models of Pantum printers may require different chips. When judging whether the chip is original, pay attention to the compatibility of the chip with the printer model. For example, Pantum PD213 toner cartridges are divided into old models and 2023 new models. The toner cartridge of the new machine is PD213E, and its chip is different from the old PD213 chip. If an incompatible chip is used, the printer may not be able to recognize it.

• Chip appearance inspection: The appearance of the original Pantum chip is good, the chip surface logo is clear, and the pins are neat; non-original chips may have problems such as blurred logos and bent pins.