How to test a digital printing machine printhead after cleaning?

Jan 28, 2026

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I. Basic Three-Step Testing Method

1. Print a Test Page

Start the cleaning program through printer settings, selecting "soft/hard/normal" mode (it is recommended to try "normal" first).

Adjust the paper position, ensuring the shadow lines are centered, then press "test draw" to print.

2. Check Nozzle Status

Print a nozzle check pattern and observe for horizontal stripes:
First group (GY/PBK/LGY): Check dark gray bands
Second group (PC/M/Y): Check colored areas
Third group (MBK/C/R): Check red/blue areas
If stripes appear, clean the corresponding nozzle group.

3. Verify Actual Results

Print a full-page test image and check:
 Whether the color transition is uniform
 Whether the details are clear (e.g., text edges)
 Whether there is ink leakage or ink breakage.

II. Advanced Testing Techniques

1. Multi-Material Compatibility Test

Print the same pattern on different materials (e.g., cotton, polyester) and compare color differences and adhesion.

2. Long-Term Stability Test

Print 10 test pages consecutively and observe whether the nozzle status is stable.

III. Precautions

Test immediately after cleaning: Avoid ink sedimentation affecting results.

Environmental control: Maintain stable temperature and humidity (23±2℃, 50±5% RH).

Consumable matching: Use original ink cartridges to avoid clogging caused by inferior ink.

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