printer diagnosis

Printer Print Quality Is Poor

Use controlled DeviceOK references to classify the defect before running model-specific maintenance or replacing consumables.

Reviewed 2026-08-11
What this symptom tells you

text, images or graphics print faded, smeared, jagged, streaked or otherwise degraded

This symptom concerns the printer path. Start with a neutral DeviceOK test where available so the next step is based on evidence rather than a generic reset sequence.

Collect evidence →
Before you change anything

Do not jump to the most invasive fix

Avoid destructive resets, unofficial driver packages, firmware flashing, or replacing hardware before the simpler detection, permission, connection and configuration checks are exhausted.

What success looks like

Retest the same condition

After every meaningful change, repeat the same test under the same conditions and compare the result.

First 3 checks

Rule out the simple causes

  1. 1

    Choose the DeviceOK test page closest to the symptom: text, lines, grayscale, color or photo reference.

  2. 2

    Confirm correct media/paper and quality settings.

  3. 3

    Compare the printer maker's official print-quality diagnostic page or maintenance tool.

Evidence-led sequence

Work through the problem in order

  1. 1

    Classify the defect first—banding, missing color, smearing and alignment lead to different maintenance paths.

  2. 2

    Use official cleaning/alignment routines for the exact model and avoid excessive repeated clean cycles.

  3. 3

    If controlled references stay poor after supported maintenance, follow manufacturer service guidance.

If it works in DeviceOK

A clean DeviceOK reference means the printer can reproduce a controlled page, shifting attention to the original document/app/settings.

If it also fails here

Poor output on multiple controlled references confirms a repeatable printer/output-path issue worth model-specific maintenance.

Related diagnoses

Only branch when the symptom changes

Made a change?Run the same test again instead of assuming the problem is fixed.
Retest Photo reference