How to refill hp 80A ( CF280A )Toner , used for hp LaserJet 401D,401,400 M401& 400 M425 printers ?

To refill the toner cartridge of an HP Laserjet 400 printer, you can follow these general steps: 1- Prepare the workspace: Find a clean and well-ventilated area to work in. Gather the necessary supplies, including a replacement toner bottle, gloves, and a cloth or paper towel. 2- Remove the toner cartridge: Open the printer&front cover or toner access panel to access the toner cartridge. Carefully remove the cartridge from the printer. 3- Locate the fill hole: Look for a small fill hole or plug on the cartridge. This is where you will inject the new toner. 4- Shake the toner bottle: Gently shake the replacement toner bottle to ensure that the toner is evenly distributed. 5- Refill the cartridge: Insert the nozzle of the toner bottle into the fill hole or plug of the cartridge. Slowly squeeze the bottle to inject the toner into the cartridge. Be careful not to overfill it. 6- Seal the fill hole: Once the cartridge is refilled, seal the fill hole or plug securely to prevent any toner leakage. 7- Reinstall the cartridge: Place the refilled toner cartridge back into the printer, ensuring that it is properly aligned and securely seated. 8- Test the printer: Close the front cover or toner access panel of the printer. Print a test page to check if the refilled cartridge is working correctly. ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ Follow me on Social Media ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ▬ ? For direct contact with me (mobile + WhatsApp): 01227072516 Or from outside Egypt, on the...