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MS-1029 · SYNTHETIC DEMO RECORD Low risk

Black prints show horizontal gaps

Epson Inkjet Printer · ET-2850 · Home office

print qualitybandingblack ink

CHRONOLOGICAL CASE HISTORY

Diagnostic timeline

1 recorded tests
  1. Problem reportedBlack prints show horizontal gaps

    Symptoms: print quality, banding, black ink

  2. Diagnostic test 1Run the built-in nozzle check.

    Start with the least invasive test that separates common causes.

    Expected The observation should narrow the next safe action.
    Observed by human The black grid has several missing segments.Synthetic demo observation.
  3. Repair attemptedRan one approved print-head cleaning cycle and waited before retesting.

    Parts: none · Estimated $0 · easy

  4. OutcomeImproved

    Ran one approved print-head cleaning cycle and waited before retesting.

    $0 22 minutes