For LAN setups, ensure the printer's IP is in the same subnet as your router. You can print a "Self-Test" page by holding the FEED button while turning the power on to see the current IP.
To download the drivers for your Xprinter XP-Q90EC , you can use the official manufacturer resources or reputable regional distributors. Since this is a 58mm thermal receipt printer , you will need the POS printer driver software. kvanto.com.ua Driver Download Links Official Global Site : Visit the Xprinter Download Center to find the most recent software versions. Direct Driver File (V7.77) xprinter xp-q90ec driver download
This is a calibration issue. With the printer on and labels loaded: Complete Guide: Xprinter XP-Q90EC Driver Download & Setup