Everyday IT

Printer test page and fault checklist

Check colour, greyscale, fine lines, alignment and small text on one printable page. Choose the symptom you see for a short, safe checklist.

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Printer diagnostic

Print one page and compare the result

What is closest to the problem?

Safe first checks

Check the ink or toner level in the printer’s own menu.
Run one manufacturer-provided nozzle or printhead cleaning cycle.
Confirm the paper type selected on the device matches the paper loaded.
If fading remains, stop repeated cleaning cycles and check the manufacturer’s guidance.

In the print window choose A4, portrait and 100% or actual size. Turn off headers and footers if your browser offers that option.

London Community ITPrinter diagnostic sheet · print at 100% / actual size

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Fine horizontal and vertical lines should look continuous, straight and evenly spaced.

6 pt sample — ABCDEFGHIJKLMNOPQRSTUVWXYZ · 0123456789 · Fine text should remain distinct.

9 pt sample — The quick brown fox jumps over the lazy dog. 0123456789

The quick brown fox jumps over the lazy dog. 0123456789

Bold text and solid black should have clean edges without shadows.

Choose the closest printer symptom and read the safe checks.
Print the A4 test sheet at 100% or actual size.
Compare the colours, bars, grid and text, then follow the manufacturer’s maintenance guidance.

Any ordinary A4 printer connected to a device that can print this webpage.

Browser and printer colour management can affect the result.
This cannot diagnose damaged hardware from a webpage.
Switch off and unplug equipment before any manufacturer-approved physical check; do not open electrical or laser assemblies.

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