Thermal Receipt Printer Test
Useful for POS and thermal receipt printers after setup, media changes or print-quality problems.
DeviceOK printer testReceipt test
DEVICEOK RECEIPT TEST
Check darkness, missing dots, feed alignment and clipping.
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abcdefghijklmnopqrstuvwxyz
0123456789 $ € £ %
Check darkness, missing dots, feed alignment and clipping.
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 reference content is generated locally.
What this test tells you
This test checks
- Text sharpness
- Thermal darkness by visual inspection
- Feed/clipping
How to read the result
Actual printable width depends on the printer, driver and paper roll.
Persistent missing vertical dots can warrant the maker's cleaning/service procedure.