Select "3.Printer Microshitting" at the self-test interface button to enter the print test interface: <br>Select "1.Single Ticket Sheet" - > "1.Test Test" (do not load the printed paper first), the interface should be able to prompt "No paper!" (The printer is out of paper!) Press any key to return to the print test menu.<br>Load the printed paper, in a separate test interface, respectively, "1. Test test, 3.Fill Fill print test page, fill page;<br>Requirements: Test page character display is clear and recognizable, fill page printing color uniform no obvious missing blocks, both prints require no missing rows, printing out of step, incomplete content and other poor printing.
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