If it is the 15MO120 colour version you have to lever the yellow cap off to reveal the three tanks just tape the top back on when filled,
be careful not to overfill this.
The black 12A1970 has a hole on the top it may need enlarging.
iPhone X review
How to find a font: Discover the name of a typeface with these apps
The best iPhone for 2017
Comment créer un compte PayPal pour payer en ligne ?