High-coverage density and streak test

Free solid black printer test page for toner and ink coverage

Print a free solid black printer test page to inspect black density, streaks, pinholes and repeating marks from drum, fuser or toner faults. Uses more ink.

Free and private A4, Letter, A5, Legal and A3 No download required

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Print setup

Preview and print this diagnostic page

The pattern prints locally from your browser. No file or printer information is uploaded.

High coverage uses substantial ink or toner. Print one sheet only and use compatible paper.

Scale: 100% or Actual size Enable background graphics Use the matching paper size

To download a PDF, choose “Save as PDF” in the print dialog.

PRINTTEST.ORG

Solid Black Coverage Test

High coverage: print one sheet only on compatible paper

100% BLACK COVERAGEInspect for streaks, pinholes, repeated marks, and uneven density.

50% uniform gray

Near black

Edge quality and line consistency

0.25 pt0.5 pt1 pt2 pt3 pt4 pt

What this sheet checks

What is the solid black printer test page?

A solid black printer test page is a high-coverage diagnostic sheet with a large black fill, a mid-gray block and edge patterns used to expose streaks, pinholes and repeating marks caused by drum, fuser or toner faults.

Uniform solid-black density
White streaks, pinholes, and repeating marks
Mid-gray mottling and banding
Fine black edge consistency

When to use it

When to use the solid black test page

Use this demanding test only after a normal black-and-white page confirms a density problem. A large black field exposes drum, fuser, toner, nozzle, and sustained ink-delivery defects, but it consumes substantially more ink or toner and may curl lightweight paper.

Read the result

Common solid black printing problems and how to fix them

Compare the physical sheet with the on-screen structure. Paper, driver settings, supplies, and maintenance state can all affect the result.

What you seeWhat it may meanWhat to do next

Light marks repeat at a regular distanceA rotating drum, roller, or fuser component may have a surface defect.Measure the repeat interval and consult the model's service guidance before replacement.

The field fades from one side to the otherToner distribution, sustained ink flow, head travel, or density may be uneven.Check supplies and run the manufacturer diagnostic; avoid repeated full-black sheets.

The paper curls, buckles, or remains wetThe loaded stock may not tolerate maximum coverage or the selected media profile.Stop the test, use compatible heavier media, and verify paper settings.

How to print the solid black test page accurately at 100% scale

Load clean, uncreased paper and choose the same paper size in this page, your browser, and the printer driver. Open the print dialog, select 100% or Actual size, and enable background graphics so solid patches and gradients are retained. Use the paper type that matches the sheet in the tray.

Start with normal quality. Draft mode intentionally reduces density, while high-quality or photo modes can use different passes and inks. A standard print establishes a useful baseline before you change driver controls or run maintenance.

Frequently asked questions about this printer test page

Does a solid black printer test use a lot of ink or toner?

Yes. It is intentionally high coverage and should not be a first-line test. Print one sheet only after lower-coverage diagnostics show a uniformity problem.

Can a solid black sheet damage a printer?

One supported print should be within normal printer operation, but inappropriate paper can curl or buckle and repeated maximum-coverage printing adds heat and supply load. Stop if media handling becomes abnormal.

What this browser test page can and cannot tell you

This page reveals visible output symptoms but cannot read ink levels, identify a failed component, or control your printer. Built-in manufacturer diagnostics are model-specific and should be used for maintenance decisions. Avoid repeating deep cleaning cycles without consulting the applicable printer guidance because cleaning can consume substantial ink.