Steps to replace the cartridge of HP OFFICEJET J4580 (1) Open the access door of the cartridge until it latches to its position. (2) Once it reaches to the center of the position, remove the empty cartridge or the one you want to replace from its slot (3) Open the new cartridge, remove the plastic tape from its head. (4) Put it into the empty slot. To make sure it is correctly installed, push down until you hear a click. (5) Close the access door Found these info from WorkAroundTC That's it :)

If you are a pro video editor, you must be familiar with the raw HD or 4k video format and how important they are in video production. For smooth and easy video editing, you will need a laptop with a good graphics card. The cheapest and good quality card which you can find on the market is Nvidia GeForce GTX 1060 costs around $1,099. But if you are looking for something more powerful like Quadro or GTX 1070, it would cost you around $2,500 or may be more. Some laptop recommendation (1) Dell XPS 15 (2) MacBook Pro (3) Alienware Area-51m (4) Microsoft Surface Book 2 (5) HP Spectre x360 (6) Lenovo ThinkPad X1 Extreme (7) MSI WS65 9TM If your budget is low, you can also check gaming laptops because gaming laptops also come with a high graphics card. https://www.cnet.com/news/best-gaming-laptop-of-2020/ https://www.workaroundtc.com/best-gaming-laptop-under-500/

For those who are still having the same Epson printer issue. Quick question. Are you sure it's a printer fault? Well, there are a couple of reason your printer is not printing black like 1. It is printing in rich black. 2. Issue in the printer head 3. Outdated driver 4. paper related issue Well, you can run the cycle clean either from the printer panel or from the computer. It works sometimes. If it doesn't fix your issue, you can follow a detailed guideline which I found in this article https://www.workaroundtc.com/why-is-my-epson-printer-not-printing-black/ Or you can also watch this video for your printer solution https://www.youtube.com/watch?v=JkGBsxME...