Olá,   Para ajustar o nível de impressão da Zebra utilize o comando ^MD10 Pode usar de -30 a 30   Link para o Manual Oficial: https://www.zebra.com/content/dam/zebra/manuals/printers/common/programming/zpl-zbi2-pm-en.pdf   https://www.zebra.com/us/en/support-downloads/knowledge-articles/setting-the-darkness-level-with-the-zpl-language.html