1. Fluent output: The final printing effect of the ink is very clear and strong, with bright colors, and the ink not block the ink exit. 2. The difference between the two ink cartridges: Compared to HT01, AT01 has stronger adhesion, better performance, and better clarity, making it a high-definition printing . If printing on a smooth , such as glass, it is recommended to choose the AT01 ink . 3. This ink belongs to non encrypted ink cartridges and is not encrypted. Before use, please verify if your machine is encrypted. If your original machine was inked and may not be to use it, you can try removing the original inked ink chip and attaching it to our ink chip for use. This is a suggested method. 4. Rapid Drying: The ink inside our handheld printer industrial grade can achieve rapid drying, which is very practical and sturdy.5. Reminder: After use, please remember to cover the lid to prevent ink from drying out and blocking the ink outlet. Model Number: HT01/AT01;Type: ink ;Suitable for general inkjet printers: Compatible with 2588/2580 12.7mm solvent quick-drying ink cartridges for encryption-free handheld inkjet printers 1. It is suitable for unencrypted handheld inkjet printers. Encrypted printers cannot be used directly or they not be held responsible. 2. HT01 series are ordinary quick-drying ink cartridges, not high-viscosity ink cartridges, so it is recommended that you print on carton paper or simple plastic packaging If printing on glass bottles, plastic bottles or some difficult-to-stick materials, it is recommended to use high-definition quick-drying ink cartridges which are AT01 series 3. AT01 high-definition high-adhesion ink with a lifespan of 13 months, can print on almost any material How do I know if my printer is encrypted? Method 1: Ask your printer for encryption Method 2: No ink is installed, there is no ink inside to print, turn on the printer to print, if the counter number changes, it proves that there is no encryption What if you receive an ink from us that cannot be used due to your printer encryption? Gently scrape the chip from the old with a blade and to our Please confirm that the machine is not encrypted before purchasing. If your old chip code has an expiration date and the old chip cannot be used, we also do not take any responsibility Colour:black Material:plastic Due to different product batches, the appearance , which does not affect the use Package Contents: 1 * Inkjet Printer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.