Press a button below to start printing a test page.
HP Diagnostic print test colors (Cyan , Magenta , Yellow and black) All in one.
🔍 What This Page Tests
Black & White
- Text sharpness
- Grayscale smoothness
- Ink density
Color (RGB)
- Color blending
- Gradient transitions
- Banding issues
CMYK
- Cyan, Magenta, Yellow, Black cartridges
- Missing colors
- Printhead issues
👉 CMYK testing is especially important because printers rely on these four inks to produce all colors
Force Cache (Faster Mirror)
