Nozzle Pattern Diagnostic Test

This test prints a pattern to determine which nozzles, if any, are clogged or not firing. Look for gaps in the test pattern; these indicate faulty nozzles.

1 Hold down the Power Button while pressing the Cancel Button eight times and the Resume Button four times.

2 Release the Power Button. The printer prints a Nozzle Pattern test.

HP Deskjet 122QC Nozzle Pattern

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Figure 6.15 Nozzle Pattern Diagnostic Test Page

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