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CMYK Test
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CMYK Printer Diagnostic Test
Professional Printer Diagnostic
1. CMYK Color Overview
CYAN
MAGENTA
YELLOW
BLACK
CYAN TEST
100% → 75% → 50% → 25% → 10% | Check for even coverage
MAGENTA TEST
100% → 75% → 50% → 25% → 10% | Check for even coverage
YELLOW TEST
100% → 75% → 50% → 25% → 10% | Check for even coverage
BLACK (KEY) TEST
100% → 75% → 50% → 25% → 10% | Check for even coverage
2. Combined CMYK Gradient
All four colors should blend smoothly without banding
3. CMYK Color Mix Test
C
M
Y
C+M
C+Y
M+Y
Diagnostic Guide:
• Faded colors: Low ink/toner level
• Streaks/lines: Clogged print head
• Missing color: Empty cartridge
• Banding: Head alignment needed
✓ If all CMYK colors are vibrant and even, your printer is calibrated correctlyPrinted: 4/17/2026