Solution
When purchasing ink tanks, make sure an A is printed on the label, along with the following Ink Tank serial numbers.
<330ml>
- MBK Ink Tank PFI-303MBK
- BK Ink Tank PFI-303BK
- C Ink Tank PFI-303C
- M Ink Tank PFI-303M
- Y Ink Tank PFI-303Y
<700ml>
- MBK Ink Tank PFI-703MBK
- BK Ink Tank PFI-703BK
- C Ink Tank PFI-703C
- M Ink Tank PFI-703M
- Y Ink Tank PFI-703Y
