printer test
Printer Grayscale Test Page
Use a stepped grayscale to see whether light and dark tones remain distinct on the printed page.
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DeviceOK printer testGrayscale print test
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This test page helps you inspect print output. DeviceOK cannot automatically see the physical page, so you report what you observe after printing.
What did the print look like?
Private by design
The printable pattern is generated locally in your browser.
Use the result as evidence, not a guess.
This test checks
- Gray separation
- Shadow/highlight detail
- Unexpected color cast
How to read it
Distinct steps indicate usable tonal separation.
Merged steps or strong color casts may point to ink/toner, profile, calibration, media, or printer-condition issues.