Your Canon MP145 printer, and have a problem does not come out of black ink at the print, I will give you a trick that I can from my experience, I hope this trick can help them.

How:

- Turn the printer
- Open the printer cover
- Unplug catridge
- Pull the ends of the connective infus
- To fill in black ink catridge
- Close the hole infus
- Try test print
- Usually can.