Smooth Print is an app for printing labels or receipts from iOS/iPadOS mobile devices to Brother printers. Smooth Print works from a user's own web app or mobile apps via a URL scheme. 【How to use】 For more information, see https://support.brother.com/g/s/es/dev/en/specific/smooth_print/index.html?c=eu_ot&lang=en&navi=offall&comple=on&redirect=on 【Supported Models】 PJ-862, PJ-863, PJ-883 PT-P750W, PT-P900W, PT-P910BT, PT-P950NW QL-820NWB/820NWBc, QL-1110NWB/NWBc RJ-2030, RJ-2050, RJ-2140, RJ-2150, RJ-3150, RJ-3150Ai, RJ-3230B, RJ-3250WB, RJ-4230B, RJ-4250WB RJ-2035B, RJ-2055WB, RJ-3035B, RJ-3055WB TD-2120N, TD-2125N/NWB, TD-2130N, TD-2135N/NWB, TD-2320D/DF/DSA, TD-2350D/DF/DSA TD-4420DN, TD-4520DN, TD-4550DNWB TD-4420TN, TD-4520TN, TD-4650TNWB/TNWBR, TD-4750TNWB/TNWBR TJ-4020TN, TJ-4021TN/TNR, TJ-4120TN, TJ-4121TN/TNR, TJ-4420TN, TJ-4520TN, TJ-4620TN To help us improve the application, send your feedback to Feedback-mobile-apps-lm@brother.com. Please note that we may not be able to respond to individual emails.