Printer Fine Line Test
Useful when text or graphics show jagged edges, missing rows or repeated alignment problems.
DeviceOK printer testFine lines
Fine horizontal and vertical lines should remain distinct rather than merging, breaking or doubling.
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?
What happened?Choose the result you observed.
Privacy: The test pattern is generated locally and sent through your normal print flow.
What this test tells you
This test checks
- Fine-line reproduction by visual inspection
- Feed/alignment consistency
How to read the result
The browser cannot inspect the physical page; compare the printed result with the on-screen reference.
Run the printer maker's official alignment or nozzle procedure when the pattern shows a persistent defect.