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: Some Brother or generic POS drivers have a "Status Monitor" that periodically pings the printer, causing it to print random data strings. Right-click the Status Monitor icon in your taskbar and select Exit or Disable .

If your thermal receipt printer suddenly starts printing endless pages of random data, strange symbols, or garbled text, you are likely facing a driver communication issue. This specific problem is highly common in point-of-sale (POS) systems running older or generic version 83 (v83) driver software.