Sometimes the obvious thing is correct - yes, it needs a black ink cartridge. I'm surprised you managed to go through the cartridge alignment procedure correctly.
Here is a set up manual to guide the cartridge installation
This thread is now locked and can not be replied to.
Should I upgrade to Windows 10? Windows 10 is now available, so do you have to upgrade? 8 reasons…
Why Vodafone’s frequency choice should interest you: The benefits of 800MHz
Digital visionaries discuss Designing the Future
How to run Windows 10 on Mac: How to run Windows 10 using Boot Camp or VirtualBox to install…