{"id":12871,"date":"2021-06-30T17:46:49","date_gmt":"2021-06-30T17:46:49","guid":{"rendered":"https:\/\/ltsp2.pageloot.com\/?p=12871"},"modified":"2026-05-04T19:41:26","modified_gmt":"2026-05-04T19:41:26","slug":"print-qr-code-on-label","status":"publish","type":"post","link":"https:\/\/pageloot.com\/vi\/how-to\/print-qr-code-on-label\/","title":{"rendered":"C\u00e1ch in m\u00e3 QR tr\u00ean nh\u00e3n"},"content":{"rendered":"<p class=\"wp-block-paragraph\">B\u1ea1n kh\u00f4ng ch\u1eafc l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 in m\u00e3 QR c\u00f3 th\u1ec3 qu\u00e9t \u0111\u01b0\u1ee3c l\u00ean nh\u00e3n v\u1eadt l\u00fd m\u00e0 kh\u00f4ng b\u1ecb m\u1edd ho\u1eb7c qu\u00e1 nh\u1ecf \u0111\u1ec3 \u0111\u1ecdc? M\u1ed9t m\u00e3 \u0111\u01b0\u1ee3c in k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c l\u00e3ng ph\u00ed nh\u00e3n v\u00e0 b\u1ecf l\u1ee1 t\u01b0\u01a1ng t\u00e1c v\u1edbi kh\u00e1ch h\u00e0ng. H\u01b0\u1edbng d\u1eabn n\u00e0y bao g\u1ed3m m\u1ecdi b\u01b0\u1edbc \u2013 t\u1eeb t\u1ea1o m\u00e3 \u0111\u1ebfn thi\u1ebft l\u1eadp th\u00f4ng s\u1ed1 in ph\u00f9 h\u1ee3p \u2013 \u0111\u1ec3 nh\u00e3n c\u1ee7a b\u1ea1n lu\u00f4n ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-generate-your-qr-code-first\">T\u1ea1o m\u00e3 QR c\u1ee7a b\u1ea1n tr\u01b0\u1edbc ti\u00ean<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edbc khi b\u1ea1n ch\u1ea1m v\u00e0o m\u00e1y in, b\u1ea1n c\u1ea7n m\u1ed9t m\u00e3 QR \u0111\u01b0\u1ee3c t\u1ea1o \u0111\u00fang c\u00e1ch. \u0110\u1ecbnh d\u1ea1ng v\u00e0 c\u00e0i \u0111\u1eb7t b\u1ea1n ch\u1ecdn \u1edf giai \u0111o\u1ea1n n\u00e0y s\u1ebd quy\u1ebft \u0111\u1ecbnh li\u1ec7u b\u1ea3n in cu\u1ed1i c\u00f9ng s\u1eafc n\u00e9t v\u00e0 c\u00f3 th\u1ec3 qu\u00e9t \u0111\u01b0\u1ee3c hay l\u00e0 m\u1ed9t m\u1edb h\u1ed7n \u0111\u1ed9n b\u1ecb v\u1ee1 h\u1ea1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1eed d\u1ee5ng m\u1ed9t c\u00f4ng c\u1ee5 nh\u01b0 <a href=\"https:\/\/pageloot.com\/vi\/qr-code-generator\/\">tr\u00ecnh t\u1ea1o m\u00e3 QR Pageloot<\/a> \u0111\u1ec3 t\u1ea1o m\u00e3 c\u1ee7a b\u1ea1n \u1edf \u0111\u1ecbnh d\u1ea1ng vector nh\u01b0 SVG ho\u1eb7c EPS. C\u00e1c \u0111\u1ecbnh d\u1ea1ng n\u00e0y c\u00f3 th\u1ec3 thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc m\u00e0 kh\u00f4ng l\u00e0m m\u1ea5t \u0111\u1ed9 s\u1eafc n\u00e9t \u2013 kh\u00f4ng gi\u1ed1ng nh\u01b0 PNG \u0111\u1ed9 ph\u00e2n gi\u1ea3i th\u1ea5p, s\u1ebd b\u1ecb gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng khi ph\u00f3ng to tr\u00ean nh\u00e3n. N\u1ebfu b\u1ea1n \u0111\u1eb7c bi\u1ec7t c\u1ea7n m\u1ed9t PNG (v\u00ed d\u1ee5, \u0111\u1ec3 ph\u1ee7 m\u00e3 l\u00ean m\u1ed9t thi\u1ebft k\u1ebf trong Canva ho\u1eb7c Photoshop), h\u00e3y s\u1eed d\u1ee5ng <a href=\"https:\/\/pageloot.com\/vi\/qr-code-png\/\">tr\u00ecnh t\u1ea1o m\u00e3 QR PNG<\/a> v\u00e0 xu\u1ea5t \u1edf \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao nh\u1ea5t c\u00f3 th\u1ec3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t quy\u1ebft \u0111\u1ecbnh th\u1ef1c t\u1ebf c\u1ea7n \u0111\u01b0a ra \u1edf giai \u0111o\u1ea1n n\u00e0y: h\u00e3y ch\u1ecdn m\u1ed9t <strong>m\u00e3 QR \u0111\u1ed9ng<\/strong> thay v\u00ec m\u00e3 t\u0129nh. M\u1ed9t m\u00e3 \u0111\u1ed9ng l\u01b0u tr\u1eef m\u1ed9t URL chuy\u1ec3n h\u01b0\u1edbng ng\u1eafn tr\u1ecf \u0111\u1ebfn \u0111\u00edch th\u1ef1c c\u1ee7a b\u1ea1n, gi\u00fap b\u1ea3n th\u00e2n m\u00e3 \u00edt d\u00e0y \u0111\u1eb7c d\u1eef li\u1ec7u h\u01a1n v\u00e0 d\u1ec5 qu\u00e9t h\u01a1n. Quan tr\u1ecdng l\u00e0, b\u1ea1n c\u00f3 th\u1ec3 <a href=\"https:\/\/pageloot.com\/vi\/how-to\/create-qr-code\/\">c\u1eadp nh\u1eadt n\u1ed9i dung \u0111\u01b0\u1ee3c li\u00ean k\u1ebft ho\u1eb7c URL \u0111\u00edch sau khi m\u00e3 \u0111\u00e3 \u0111\u01b0\u1ee3c in<\/a> m\u00e0 kh\u00f4ng c\u1ea7n in l\u1ea1i nh\u00e3n c\u1ee7a b\u1ea1n \u2013 m\u1ed9t l\u1ee3i th\u1ebf \u0111\u00e1ng k\u1ec3 n\u1ebfu c\u00e1c trang s\u1ea3n ph\u1ea9m, menu ho\u1eb7c ch\u01b0\u01a1ng tr\u00ecnh khuy\u1ebfn m\u00e3i c\u1ee7a b\u1ea1n thay \u0111\u1ed5i theo th\u1eddi gian.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>T\u1ea1o m\u00e3 QR s\u1eb5n s\u00e0ng cho nh\u00e3n trong v\u00e0i ph\u00fat<\/strong> C\u1ea7n m\u1ed9t m\u00e3 QR s\u1eb5n s\u00e0ng in m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 c\u1eadp nh\u1eadt m\u00e0 kh\u00f4ng c\u1ea7n in l\u1ea1i? S\u1eed d\u1ee5ng <a href=\"https:\/\/pageloot.com\/vi\/qr-code-generator\/\">Tr\u00ecnh t\u1ea1o m\u00e3 QR Pageloot<\/a> \u0111\u1ec3 t\u1ea1o m\u00e3 \u0111\u1ed9ng, ch\u1ea5t l\u01b0\u1ee3ng vector \u0111\u01b0\u1ee3c t\u00f9y ch\u1ec9nh v\u1edbi m\u00e0u s\u1eafc v\u00e0 logo th\u01b0\u01a1ng hi\u1ec7u c\u1ee7a b\u1ea1n.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-set-the-right-size-for-your-label\">\u0110\u1eb7t k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p cho nh\u00e3n c\u1ee7a b\u1ea1n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">K\u00edch th\u01b0\u1edbc l\u00e0 m\u1ed9t trong nh\u1eefng l\u00fd do ph\u1ed5 bi\u1ebfn nh\u1ea5t khi\u1ebfn m\u00e3 QR \u0111\u01b0\u1ee3c in kh\u00f4ng th\u1ec3 qu\u00e9t \u0111\u01b0\u1ee3c. Qu\u00e1 nh\u1ecf, v\u00e0 camera \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh \u0111\u01a1n gi\u1ea3n l\u00e0 kh\u00f4ng th\u1ec3 ph\u00e2n gi\u1ea3i c\u00e1c m\u00f4-\u0111un ri\u00eang l\u1ebb (c\u00e1c \u00f4 vu\u00f4ng nh\u1ecf t\u1ea1o n\u00ean m\u1eabu m\u00e3).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quy t\u1eafc chung \u0111\u00e1ng tin c\u1eady l\u00e0 <strong>t\u1ef7 l\u1ec7 kho\u1ea3ng c\u00e1ch qu\u00e9t 10:1<\/strong>: m\u00e3 QR c\u1ee7a b\u1ea1n ph\u1ea3i c\u00f3 k\u00edch th\u01b0\u1edbc \u00edt nh\u1ea5t b\u1eb1ng 1\/10 kho\u1ea3ng c\u00e1ch t\u1eeb \u0111\u00f3 n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c qu\u00e9t. N\u1ebfu kh\u00e1ch h\u00e0ng gi\u1eef \u0111i\u1ec7n tho\u1ea1i c\u1ee7a h\u1ecd c\u00e1ch nh\u00e3n s\u1ea3n ph\u1ea9m kho\u1ea3ng 10 inch, m\u00e3 c\u1ea7n c\u00f3 chi\u1ec1u r\u1ed9ng \u00edt nh\u1ea5t 1 inch. K\u00edch th\u01b0\u1edbc <a href=\"https:\/\/pageloot.com\/vi\/how-to\/qr-code-size-guide\/\">t\u1ed1i thi\u1ec3u \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb cho m\u00e3 QR in l\u00e0 3 \u00d7 3 cm (1.2 \u00d7 1.2 inch)<\/a> cho h\u1ea7u h\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng nh\u00e3n, m\u1eb7c d\u00f9 m\u1ed9t nh\u00e3n nh\u1ecf g\u1ecdn nh\u01b0 danh thi\u1ebfp c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1edf k\u00edch th\u01b0\u1edbc 0.8 \u00d7 0.8 inch n\u1ebfu \u0111i\u1ec1u ki\u1ec7n qu\u00e9t l\u00fd t\u01b0\u1edfng.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/04\/square-infographic-bad0e7-d207c16ecfab.webp\" alt=\"H\u01b0\u1edbng d\u1eabn k\u00edch th\u01b0\u1edbc QR\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 tham kh\u1ea3o nhanh c\u00e1c lo\u1ea1i nh\u00e3n ph\u1ed5 bi\u1ebfn:<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"wp-block-table__content\">\n<thead>\n<tr>\n<th>Lo\u1ea1i nh\u00e3n<\/th>\n<th>K\u00edch th\u01b0\u1edbc t\u1ed1i thi\u1ec3u \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t<\/th>\n<th>Kho\u1ea3ng c\u00e1ch qu\u00e9t \u0111i\u1ec3n h\u00ecnh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Nh\u00e3n s\u1ea3n ph\u1ea9m nh\u1ecf<\/td>\n<td>1.2 \u00d7 1.2 inch (3 \u00d7 3 cm)<\/td>\n<td>8\u201312 inch<\/td>\n<\/tr>\n<tr>\n<td>Danh thi\u1ebfp<\/td>\n<td>0.8 \u00d7 0.8 inch (2 \u00d7 2 cm)<\/td>\n<td>6\u201310 inch<\/td>\n<\/tr>\n<tr>\n<td>Th\u1ebb k\u1ec7 \/ th\u1ebb treo<\/td>\n<td>1.5 \u00d7 1.5 inch (4 \u00d7 4 cm)<\/td>\n<td>12\u201318 inch<\/td>\n<\/tr>\n<tr>\n<td>Nh\u00e3n v\u1eadn chuy\u1ec3n \/ th\u00f9ng carton<\/td>\n<td>2 \u00d7 2 inch (5 \u00d7 5 cm)<\/td>\n<td>18\u201324 inch<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 t\u00ecm hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 k\u00edch th\u01b0\u1edbc tr\u00ean c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c nhau, h\u00e3y xem <a href=\"https:\/\/pageloot.com\/vi\/blog\/qr-code-sizing-for-different-print-materials\/\">h\u01b0\u1edbng d\u1eabn k\u00edch th\u01b0\u1edbc m\u00e3 QR cho v\u1eadt li\u1ec7u in<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-use-the-correct-print-resolution\">S\u1eed d\u1ee5ng \u0110\u1ed9 ph\u00e2n gi\u1ea3i In Ch\u00ednh x\u00e1c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed9 ph\u00e2n gi\u1ea3i quy\u1ebft \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 s\u1eafc n\u00e9t c\u1ee7a c\u00e1c m\u00f4-\u0111un m\u00e3 khi in. M\u1ed9t c\u1ea1nh m\u00f4-\u0111un m\u1edd ho\u1eb7c l\u1edfm ch\u1edfm c\u00f3 th\u1ec3 g\u00e2y kh\u00f3 kh\u0103n cho m\u00e1y qu\u00e9t gi\u1ed1ng nh\u01b0 v\u0103n b\u1ea3n b\u1ecb nh\u00f2e g\u00e2y kh\u00f3 kh\u0103n cho ng\u01b0\u1eddi \u0111\u1ecdc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi in nh\u00e3n, <strong>300 DPI l\u00e0 m\u1ee9c t\u1ed1i thi\u1ec3u th\u1ef1c t\u1ebf<\/strong> \u2013 \u1edf \u0111\u1ed9 ph\u00e2n gi\u1ea3i n\u00e0y, c\u00e1c m\u00f4-\u0111un ri\u00eang l\u1ebb c\u00f3 c\u00e1c c\u1ea1nh r\u00f5 r\u00e0ng m\u00e0 m\u00e1y qu\u00e9t c\u00f3 th\u1ec3 ph\u00e2n bi\u1ec7t \u0111\u00e1ng tin c\u1eady. Gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi 200 DPI s\u1ebd t\u1ea1o ra c\u00e1c hi\u1ec7n v\u1eadt c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng qu\u00e9t, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1c m\u00e3 c\u00f3 m\u1eadt \u0111\u1ed9 d\u1eef li\u1ec7u cao. N\u1ebfu b\u1ea1n \u0111ang in m\u1ed9t nh\u00e3n nh\u1ecf m\u00e0 m\u00e3 QR r\u1ed9ng d\u01b0\u1edbi 1 inch, h\u00e3y t\u0103ng \u0111\u1ed9 ph\u00e2n gi\u1ea3i c\u1ee7a b\u1ea1n l\u00ean 600 DPI \u0111\u1ec3 b\u00f9 \u0111\u1eafp cho k\u00edch th\u01b0\u1edbc m\u00f4-\u0111un b\u1ecb gi\u1ea3m.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi xu\u1ea5t t\u1eeb Pageloot ho\u1eb7c b\u1ea5t k\u1ef3 c\u00f4ng c\u1ee5 thi\u1ebft k\u1ebf n\u00e0o, h\u00e3y lu\u00f4n y\u00eau c\u1ea7u \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao nh\u1ea5t c\u00f3 s\u1eb5n ho\u1eb7c s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ecbnh d\u1ea1ng vector (SVG, EPS, PDF) hi\u1ec3n th\u1ecb s\u1eafc n\u00e9t \u1edf b\u1ea5t k\u1ef3 k\u00edch th\u01b0\u1edbc \u0111\u1ea7u ra n\u00e0o. \u0110\u1ec3 bi\u1ebft chi ti\u1ebft \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 c\u00e0i \u0111\u1eb7t \u0111\u1ed9 ph\u00e2n gi\u1ea3i, <a href=\"https:\/\/pageloot.com\/vi\/blog\/qr-code-print-resolution-guide\/\">h\u01b0\u1edbng d\u1eabn \u0111\u1ed9 ph\u00e2n gi\u1ea3i in m\u00e3 QR<\/a> bao g\u1ed3m c\u00e1c khuy\u1ebfn ngh\u1ecb DPI c\u1ee5 th\u1ec3 theo tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-maintain-strong-color-contrast\">Duy tr\u00ec \u0110\u1ed9 t\u01b0\u01a1ng ph\u1ea3n M\u00e0u s\u1eafc M\u1ea1nh m\u1ebd<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"546\" src=\"https:\/\/pageloot.com\/wp-content\/uploads\/2021\/06\/QR-Code-maker-for-labels-and-tags-1024x546.jpg\" alt=\"Tr\u00ecnh t\u1ea1o m\u00e3 QR cho nh\u00e3n v\u00e0 th\u1ebb\" class=\"wp-image-13307\" srcset=\"https:\/\/pageloot.com\/wp-content\/uploads\/2021\/06\/QR-Code-maker-for-labels-and-tags-1024x546.jpg 1024w, https:\/\/pageloot.com\/wp-content\/uploads\/2021\/06\/QR-Code-maker-for-labels-and-tags-300x160.jpg 300w, https:\/\/pageloot.com\/wp-content\/uploads\/2021\/06\/QR-Code-maker-for-labels-and-tags-768x410.jpg 768w, https:\/\/pageloot.com\/wp-content\/uploads\/2021\/06\/QR-Code-maker-for-labels-and-tags-16x9.jpg 16w, https:\/\/pageloot.com\/wp-content\/uploads\/2021\/06\/QR-Code-maker-for-labels-and-tags.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1y qu\u00e9t m\u00e3 QR ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch ph\u00e1t hi\u1ec7n \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n gi\u1eefa c\u00e1c m\u00f4-\u0111un t\u1ed1i v\u00e0 n\u1ec1n s\u00e1ng. N\u1ebfu \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n \u0111\u00f3 y\u1ebfu, m\u00e1y qu\u00e9t s\u1ebd kh\u00f3 ph\u00e2n bi\u1ec7t m\u1eabu \u2013 b\u1ea5t k\u1ec3 m\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc ho\u1eb7c in t\u1ed1t \u0111\u1ebfn m\u1ee9c n\u00e0o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1ef1a ch\u1ecdn an to\u00e0n nh\u1ea5t l\u00e0 c\u00e1c m\u00f4-\u0111un m\u00e0u \u0111en tr\u00ean n\u1ec1n tr\u1eafng, mang l\u1ea1i t\u1ef7 l\u1ec7 t\u01b0\u01a1ng ph\u1ea3n 21:1. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u00e0u s\u1eafc th\u01b0\u01a1ng hi\u1ec7u, nh\u01b0ng ph\u1ea7n ti\u1ec1n c\u1ea3nh ph\u1ea3i t\u1ed1i h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi n\u1ec1n. H\u00e3y \u0111\u1eb7t m\u1ee5c ti\u00eau \u00edt nh\u1ea5t l\u00e0 t\u1ef7 l\u1ec7 <strong>t\u01b0\u01a1ng ph\u1ea3n 4:1<\/strong> cho c\u00e1c m\u00e3 nh\u1ecf v\u00e0 t\u1ed1i thi\u1ec3u 3:1 cho c\u00e1c m\u00e3 l\u1edbn h\u01a1n. Tr\u00e1nh s\u1eed d\u1ee5ng gradient, b\u00f3ng \u0111\u1ed5 ho\u1eb7c c\u00e1c s\u01a1 \u0111\u1ed3 m\u00e0u \u0111\u1ea3o ng\u01b0\u1ee3c (m\u00f4-\u0111un s\u00e1ng tr\u00ean n\u1ec1n t\u1ed1i), v\u00ec nh\u1eefng \u0111i\u1ec1u n\u00e0y g\u00e2y nh\u1ea7m l\u1eabn cho nhi\u1ec1u thu\u1eadt to\u00e1n m\u00e1y qu\u00e9t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t v\u00e0i quy t\u1eafc t\u01b0\u01a1ng ph\u1ea3n th\u1ef1c t\u1ebf c\u1ea7n tu\u00e2n theo:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gi\u1eef m\u00e0u m\u00f4-\u0111un t\u1ed1i (xanh navy, xanh \u0111\u1eadm v\u00e0 \u0111en \u0111\u1ec1u ho\u1ea1t \u0111\u1ed9ng t\u1ed1t)<\/li>\n\n\n\n<li>Gi\u1eef m\u00e0u n\u1ec1n s\u00e1ng (tr\u1eafng, x\u00e1m nh\u1ea1t ho\u1eb7c kem)<\/li>\n\n\n\n<li>Kh\u00f4ng bao gi\u1edd s\u1eed d\u1ee5ng m\u00e0u v\u00e0ng, cam nh\u1ea1t ho\u1eb7c x\u00e1m nh\u1ea1t l\u00e0m m\u00e0u m\u00f4-\u0111un<\/li>\n\n\n\n<li>Ki\u1ec3m tra b\u1ea5t k\u1ef3 s\u1ef1 k\u1ebft h\u1ee3p m\u00e0u t\u00f9y ch\u1ec9nh n\u00e0o b\u1eb1ng c\u00e1ch qu\u00e9t b\u1ea3n in th\u1eed tr\u01b0\u1edbc khi s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u1ec1 c\u00e1c c\u1eb7p m\u00e0u v\u00e0 t\u1ef7 l\u1ec7 t\u01b0\u01a1ng ph\u1ea3n, h\u00e3y xem <a href=\"https:\/\/pageloot.com\/vi\/blog\/qr-code-color-contrast-best-practices\/\">c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t v\u1ec1 \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n m\u00e0u c\u1ee7a m\u00e3 QR<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-preserve-the-quiet-zone\">B\u1ea3o to\u00e0n V\u00f9ng y\u00ean t\u0129nh (Quiet Zone)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed7i m\u00e3 QR y\u00eau c\u1ea7u m\u1ed9t <strong>v\u00f9ng y\u00ean t\u0129nh<\/strong> \u2013 m\u1ed9t l\u1ec1 r\u00f5 r\u00e0ng, kh\u00f4ng in bao quanh to\u00e0n b\u1ed9 m\u00e3 \u1edf c\u1ea3 b\u1ed1n ph\u00eda. Vi\u1ec1n tr\u1ed1ng n\u00e0y cho m\u00e1y qu\u00e9t bi\u1ebft m\u00e3 b\u1eaft \u0111\u1ea7u v\u00e0 k\u1ebft th\u00fac \u1edf \u0111\u00e2u. N\u1ebfu kh\u00f4ng c\u00f3 n\u00f3, v\u0103n b\u1ea3n, \u0111\u1ed3 h\u1ecda ho\u1eb7c c\u00e1c c\u1ea1nh nh\u00e3n g\u1ea7n \u0111\u00f3 s\u1ebd tr\u00e0n v\u00e0o m\u1eabu m\u00e3 v\u00e0 g\u00e2y ra l\u1ed7i qu\u00e9t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n ISO y\u00eau c\u1ea7u \u00edt nh\u1ea5t <strong>4 m\u00f4-\u0111un v\u00f9ng y\u00ean t\u0129nh<\/strong> \u1edf m\u1ed7i b\u00ean. V\u1ec1 m\u1eb7t th\u1ef1c t\u1ebf, n\u1ebfu m\u1ed7i m\u00f4-\u0111un trong m\u00e3 c\u1ee7a b\u1ea1n r\u1ed9ng 1 mm, b\u1ea1n c\u1ea7n \u00edt nh\u1ea5t 4 mm kh\u00f4ng gian tr\u1ed1ng \u1edf m\u1ed7i b\u00ean. Khi \u0111\u1eb7t m\u00e3 QR c\u1ee7a b\u1ea1n v\u00e0o m\u1eabu nh\u00e3n, h\u00e3y coi v\u00f9ng y\u00ean t\u0129nh l\u00e0 kh\u00f4ng th\u1ec3 ch\u1ea1m t\u1edbi \u2013 kh\u00f4ng ph\u1ee7 logo, \u0111\u1eb7t v\u0103n b\u1ea3n ho\u1eb7c \u0111\u1ec3 c\u1ea1nh nh\u00e3n tr\u00e0n v\u00e0o \u0111\u00f3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-choose-the-right-label-material-and-printer\">Ch\u1ecdn V\u1eadt li\u1ec7u Nh\u00e3n v\u00e0 M\u00e1y in Ph\u00f9 h\u1ee3p<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"546\" src=\"https:\/\/pageloot.com\/wp-content\/uploads\/2021\/06\/The-best-Free-QR-Code-Generator-1024x546.jpg\" alt=\"Tr\u00ecnh t\u1ea1o m\u00e3 QR mi\u1ec5n ph\u00ed t\u1ed1t nh\u1ea5t\" class=\"wp-image-13308\" srcset=\"https:\/\/pageloot.com\/wp-content\/uploads\/2021\/06\/The-best-Free-QR-Code-Generator-1024x546.jpg 1024w, https:\/\/pageloot.com\/wp-content\/uploads\/2021\/06\/The-best-Free-QR-Code-Generator-300x160.jpg 300w, https:\/\/pageloot.com\/wp-content\/uploads\/2021\/06\/The-best-Free-QR-Code-Generator-768x410.jpg 768w, https:\/\/pageloot.com\/wp-content\/uploads\/2021\/06\/The-best-Free-QR-Code-Generator-16x9.jpg 16w, https:\/\/pageloot.com\/wp-content\/uploads\/2021\/06\/The-best-Free-QR-Code-Generator.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1eadt li\u1ec7u b\u1ea1n in l\u00ean \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng qu\u00e9t c\u0169ng nh\u01b0 ch\u00ednh m\u00e3. Gi\u1ea5y m\u1edd v\u00e0 nh\u00e3n polypropylene m\u1edd cho k\u1ebft qu\u1ea3 t\u1ed1t nh\u1ea5t v\u00ec ch\u00fang h\u1ea5p th\u1ee5 m\u1ef1c \u0111\u1ec1u v\u00e0 tr\u00e1nh ch\u00f3i. B\u1ec1 m\u1eb7t b\u00f3ng ho\u1eb7c c\u00e1n m\u00e0ng c\u00f3 th\u1ec3 g\u00e2y ph\u1ea3n x\u1ea1 g\u01b0\u01a1ng d\u01b0\u1edbi m\u1ed9t s\u1ed1 \u0111i\u1ec1u ki\u1ec7n \u00e1nh s\u00e1ng nh\u1ea5t \u0111\u1ecbnh, l\u00e0m m\u1edd c\u00e1c m\u00f4-\u0111un v\u00e0 gi\u1ea3m \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng m\u00e0 nh\u00e3n ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi \u0111\u1ed9 \u1ea9m, m\u00e0i m\u00f2n ho\u1eb7c ti\u1ebfp x\u00fac ngo\u00e0i tr\u1eddi, h\u00e3y s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u nh\u00e3n c\u1ea5p \u0111\u1ed9 b\u1ec1n. M\u1ed9t m\u00e3 b\u1eaft \u0111\u1ea7u c\u00f3 th\u1ec3 qu\u00e9t ho\u00e0n h\u1ea3o nh\u01b0ng m\u1edd ho\u1eb7c bong tr\u00f3c trong v\u00f2ng v\u00e0i tu\u1ea7n s\u1ebd l\u00e0m m\u1ea5t \u0111i m\u1ee5c \u0111\u00edch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ec1 ph\u00eda m\u00e1y in, vi\u1ec7c l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p r\u1ea5t quan tr\u1ecdng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>M\u00e1y in phun v\u00e0 laser \u0111\u1ec3 b\u00e0n<\/strong> ho\u1ea1t \u0111\u1ed9ng t\u1ed1t cho c\u00e1c l\u00f4 nh\u1ecf v\u00e0 in \u1ea5n v\u0103n ph\u00f2ng, mi\u1ec5n l\u00e0 b\u1ea1n s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u c\u1ea5p nh\u00e3n v\u00e0 in \u1edf \u0111\u1ed9 ph\u00e2n gi\u1ea3i 300 DPI tr\u1edf l\u00ean<\/li>\n\n\n\n<li><strong>M\u00e1y in truy\u1ec1n nhi\u1ec7t<\/strong> (ph\u1ed5 bi\u1ebfn trong vi\u1ec7c d\u00e1n nh\u00e3n kho v\u00e0 b\u00e1n l\u1ebb) t\u1ea1o ra b\u1ea3n in s\u1eafc n\u00e9t, b\u1ec1n b\u1ec9 v\u1edbi t\u1ed1c \u0111\u1ed9 cao \u2013 l\u00fd t\u01b0\u1edfng cho nh\u00e3n ki\u1ec3m k\u00ea ho\u1eb7c v\u1eadn chuy\u1ec3n<\/li>\n\n\n\n<li><strong>M\u00e1y in nhi\u1ec7t tr\u1ef1c ti\u1ebfp<\/strong> ti\u1ebft ki\u1ec7m cho c\u00e1c nh\u00e3n c\u00f3 tu\u1ed5i th\u1ecd ng\u1eafn nh\u01b0ng nh\u1ea1y c\u1ea3m v\u1edbi nhi\u1ec7t v\u00e0 tia UV, c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng b\u1ea3n in theo th\u1eddi gian<\/li>\n\n\n\n<li><strong>M\u00e1y in offset th\u01b0\u01a1ng m\u1ea1i v\u00e0 k\u1ef9 thu\u1eadt s\u1ed1<\/strong> l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p cho c\u00e1c l\u00f4 s\u1ea3n xu\u1ea5t l\u1edbn, n\u01a1i \u0111\u1ed9 s\u1eafc n\u00e9t nh\u1ea5t qu\u00e1n tr\u00ean h\u00e0ng ngh\u00ecn nh\u00e3n l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 t\u00ecm hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 c\u00e1ch m\u1ed7i ph\u01b0\u01a1ng ph\u00e1p \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng qu\u00e9t, h\u00e3y xem <a href=\"https:\/\/pageloot.com\/vi\/blog\/how-printing-techniques-impact-qr-code-scannability\/\">c\u00e1ch c\u00e1c k\u1ef9 thu\u1eadt in \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng qu\u00e9t m\u00e3 QR<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-add-branding-without-breaking-scannability\">Th\u00eam th\u01b0\u01a1ng hi\u1ec7u m\u00e0 kh\u00f4ng l\u00e0m h\u1ecfng kh\u1ea3 n\u0103ng qu\u00e9t<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e3 QR \u0111en tr\u1eafng \u0111\u01a1n gi\u1ea3n v\u1eabn ho\u1ea1t \u0111\u1ed9ng, nh\u01b0ng m\u00e3 c\u00f3 th\u01b0\u01a1ng hi\u1ec7u c\u00f3 nhi\u1ec1u kh\u1ea3 n\u0103ng \u0111\u01b0\u1ee3c qu\u00e9t h\u01a1n v\u00ec n\u00f3 b\u00e1o hi\u1ec7u s\u1ef1 tin c\u1eady v\u00e0 \u00fd \u0111\u1ecbnh. B\u1ea1n c\u00f3 th\u1ec3 th\u00eam logo c\u1ee7a m\u00ecnh v\u00e0o gi\u1eefa m\u00e3, \u00e1p d\u1ee5ng m\u00e0u s\u1eafc th\u01b0\u01a1ng hi\u1ec7u v\u00e0 bao g\u1ed3m m\u1ed9t c\u1ee5m t\u1eeb k\u00eau g\u1ecdi h\u00e0nh \u0111\u1ed9ng ng\u1eafn g\u1ecdn nh\u01b0 \u201cQu\u00e9t \u0111\u1ec3 bi\u1ebft chi ti\u1ebft\u201d ho\u1eb7c \u201cQu\u00e9t \u0111\u1ec3 \u0111\u1eb7t h\u00e0ng l\u1ea1i.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ea1n ch\u1ebf ch\u00ednh l\u00e0 logo kh\u00f4ng \u0111\u01b0\u1ee3c che ph\u1ee7 qu\u00e1 kho\u1ea3ng 30% di\u1ec7n t\u00edch m\u00e3. M\u00e3 QR \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng v\u1edbi kh\u1ea3 n\u0103ng s\u1eeda l\u1ed7i c\u00f3 th\u1ec3 ph\u1ee5c h\u1ed3i t\u1eeb vi\u1ec7c m\u1ea5t d\u1eef li\u1ec7u m\u1ed9t ph\u1ea7n, nh\u01b0ng v\u01b0\u1ee3t qu\u00e1 ng\u01b0\u1ee1ng \u0111\u00f3 s\u1ebd c\u00f3 nguy c\u01a1 g\u00e2y l\u1ed7i qu\u00e9t. S\u1eed d\u1ee5ng m\u1ee9c s\u1eeda l\u1ed7i cao nh\u1ea5t (H) khi nh\u00fang logo v\u00e0 lu\u00f4n ki\u1ec3m tra thi\u1ebft k\u1ebf cu\u1ed1i c\u00f9ng tr\u01b0\u1edbc khi in. Pageloot\u2019s <a href=\"https:\/\/pageloot.com\/vi\/qr-code-generator-with-logo\/\">tr\u00ecnh t\u1ea1o m\u00e3 QR chuy\u00ean nghi\u1ec7p c\u00f3 logo<\/a> t\u1ef1 \u0111\u1ed9ng x\u1eed l\u00fd s\u1eeda l\u1ed7i v\u00e0 cung c\u1ea5p b\u1ea3n xem tr\u01b0\u1edbc theo th\u1eddi gian th\u1ef1c \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 x\u00e1c minh kh\u1ea3 n\u0103ng qu\u00e9t khi thi\u1ebft k\u1ebf.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-test-before-you-commit-to-a-full-print-run\">Ki\u1ec3m tra tr\u01b0\u1edbc khi cam k\u1ebft in to\u00e0n b\u1ed9 l\u00f4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ngay c\u1ea3 m\u1ed9t m\u00e3 QR \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh ho\u00e0n h\u1ea3o c\u0169ng c\u00f3 th\u1ec3 th\u1ea5t b\u1ea1i n\u1ebfu b\u1ea3n in th\u1ef1c t\u1ebf c\u00f3 v\u1ea5n \u0111\u1ec1 \u2013 m\u1ef1c loang, v\u1eadt li\u1ec7u th\u1ea5m m\u1ef1c ho\u1eb7c bi\u1ebfn d\u1ea1ng m\u00f4-\u0111un. Lu\u00f4n in b\u1ea3n th\u1eed v\u00e0 ki\u1ec3m tra b\u1eb1ng nhi\u1ec1u thi\u1ebft b\u1ecb tr\u01b0\u1edbc khi ch\u1ea1y to\u00e0n b\u1ed9 l\u00f4 nh\u00e3n c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/04\/printed-proof-sheet-6392ac-f3a3a960c921.webp\" alt=\"Ki\u1ec3m tra QR \u0111\u00e3 in\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1eed d\u1ee5ng <a href=\"https:\/\/pageloot.com\/vi\/qr-code-scanner\/\">M\u00e1y qu\u00e9t m\u00e3 QR Pageloot<\/a> ho\u1eb7c \u1ee9ng d\u1ee5ng camera g\u1ed1c c\u1ee7a \u0111i\u1ec7n tho\u1ea1i \u0111\u1ec3 ki\u1ec3m tra trong \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf: c\u00f9ng m\u00f4i tr\u01b0\u1eddng \u00e1nh s\u00e1ng n\u01a1i nh\u00e3n s\u1ebd th\u1ef1c s\u1ef1 \u0111\u01b0\u1ee3c \u0111\u1ecdc, \u1edf kho\u1ea3ng c\u00e1ch qu\u00e9t d\u1ef1 ki\u1ebfn, v\u00e0 v\u1edbi m\u00e3 \u0111\u01b0\u1ee3c gi\u1eef \u1edf c\u00e1c g\u00f3c th\u1ef1c t\u1ebf. N\u1ebfu m\u00e3 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng tr\u00ean b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb n\u00e0o, h\u00e3y xem l\u1ea1i c\u00e0i \u0111\u1eb7t \u0111\u1ed9 ph\u00e2n gi\u1ea3i, \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n ho\u1eb7c k\u00edch th\u01b0\u1edbc c\u1ee7a b\u1ea1n tr\u01b0\u1edbc khi in h\u00e0ng lo\u1ea1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 c\u00f3 danh s\u00e1ch ki\u1ec3m tra \u0111\u1ea7y \u0111\u1ee7 c\u00e1c c\u00e2n nh\u1eafc v\u1ec1 thi\u1ebft k\u1ebf v\u00e0 v\u1ecb tr\u00ed, h\u01b0\u1edbng d\u1eabn v\u1ec1 <a href=\"https:\/\/pageloot.com\/vi\/blog\/ultimate-guide-to-qr-codes-for-product-labels\/\">m\u00e3 QR cho nh\u00e3n s\u1ea3n ph\u1ea9m<\/a> bao g\u1ed3m c\u00e1c \u0111i\u1ec3m l\u1ed7i ph\u1ed5 bi\u1ebfn tr\u00ean c\u00e1c lo\u1ea1i nh\u00e3n.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Theo d\u00f5i m\u1ecdi l\u01b0\u1ee3t qu\u00e9t t\u1eeb nh\u00e3n c\u1ee7a b\u1ea1n<\/strong> B\u1ea1n mu\u1ed1n bi\u1ebft s\u1ea3n ph\u1ea9m n\u00e0o \u0111ang \u0111\u01b0\u1ee3c qu\u00e9t, \u1edf \u0111\u00e2u v\u00e0 t\u1ea7n su\u1ea5t nh\u01b0 th\u1ebf n\u00e0o? <a href=\"https:\/\/pageloot.com\/vi\/qr-code-generator\/\">M\u00e3 QR \u0111\u1ed9ng c\u1ee7a Pageloot<\/a> cung c\u1ea5p cho b\u1ea1n m\u1ed9t b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n ph\u00e2n t\u00edch \u0111\u1ea7y \u0111\u1ee7 \u2013 v\u00e0 cho ph\u00e9p b\u1ea1n c\u1eadp nh\u1eadt \u0111\u00edch \u0111\u1ebfn c\u1ee7a nh\u00e3n m\u00e0 kh\u00f4ng c\u1ea7n in l\u1ea1i.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 \u0111\u01b0a m\u00e3 QR l\u00ean nh\u00e3n m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c c\u1ea7n m\u1ed9t quy tr\u00ecnh nh\u1ea5t qu\u00e1n: xu\u1ea5t \u1edf \u0111\u1ecbnh d\u1ea1ng vector ho\u1eb7c \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao, k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p v\u1edbi kho\u1ea3ng c\u00e1ch qu\u00e9t c\u1ee7a b\u1ea1n, duy tr\u00ec \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n m\u1ea1nh, b\u1ea3o to\u00e0n v\u00f9ng y\u00ean t\u0129nh, v\u00e0 ki\u1ec3m tra tr\u00ean v\u1eadt li\u1ec7u th\u1ef1c t\u1ebf tr\u01b0\u1edbc khi s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t. Th\u1ef1c hi\u1ec7n theo c\u00e1c b\u01b0\u1edbc n\u00e0y v\u00e0 m\u00e3 in c\u1ee7a b\u1ea1n s\u1ebd qu\u00e9t \u0111\u00e1ng tin c\u1eady t\u1eeb nh\u00e3n \u0111\u1ea7u ti\u00ean \u0111\u1ebfn nh\u00e3n cu\u1ed1i c\u00f9ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-frequently-asked-questions\">C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-9b17ecbabe40\"><strong class=\"schema-faq-question\">K\u00edch th\u01b0\u1edbc t\u1ed1i thi\u1ec3u cho m\u00e3 QR tr\u00ean nh\u00e3n s\u1ea3n ph\u1ea9m l\u00e0 bao nhi\u00eau?<\/strong> <p class=\"schema-faq-answer\">K\u00edch th\u01b0\u1edbc t\u1ed1i thi\u1ec3u \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb l\u00e0 3 \u00d7 3 cm (1.2 \u00d7 1.2 inch) \u0111\u1ed1i v\u1edbi h\u1ea7u h\u1ebft c\u00e1c nh\u00e3n s\u1ea3n ph\u1ea9m. \u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e3n nh\u1ecf g\u1ecdn nh\u01b0 danh thi\u1ebfp, 0.8 \u00d7 0.8 inch c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng n\u1ebfu \u0111i\u1ec1u ki\u1ec7n qu\u00e9t t\u1ed1t. S\u1eed d\u1ee5ng quy t\u1eafc 10:1 l\u00e0m h\u01b0\u1edbng d\u1eabn c\u1ee7a b\u1ea1n: h\u00e3y l\u00e0m cho m\u00e3 c\u00f3 k\u00edch th\u01b0\u1edbc \u00edt nh\u1ea5t b\u1eb1ng 1\/10 kho\u1ea3ng c\u00e1ch qu\u00e9t d\u1ef1 ki\u1ebfn.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-0b23e0e9bb95\"><strong class=\"schema-faq-question\">\u0110\u1ecbnh d\u1ea1ng t\u1ec7p n\u00e0o t\u00f4i n\u00ean s\u1eed d\u1ee5ng khi in m\u00e3 QR tr\u00ean nh\u00e3n?<\/strong> <p class=\"schema-faq-answer\">S\u1eed d\u1ee5ng \u0111\u1ecbnh d\u1ea1ng vector \u2013 SVG, EPS, ho\u1eb7c PDF \u2013 b\u1ea5t c\u1ee9 khi n\u00e0o c\u00f3 th\u1ec3. Ch\u00fang c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng \u0111\u1ebfn m\u1ecdi k\u00edch th\u01b0\u1edbc in m\u00e0 kh\u00f4ng l\u00e0m m\u1ea5t \u0111\u1ed9 s\u1eafc n\u00e9t. N\u1ebfu b\u1ea1n c\u1ea7n \u0111\u1ecbnh d\u1ea1ng raster nh\u01b0 PNG, h\u00e3y xu\u1ea5t \u1edf \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao nh\u1ea5t c\u00f3 th\u1ec3 v\u00e0 in \u1edf 300 DPI ho\u1eb7c cao h\u01a1n \u0111\u1ec3 gi\u1eef cho c\u00e1c c\u1ea1nh m\u00f4-\u0111un s\u1eafc n\u00e9t.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-c54d01fe41f5\"><strong class=\"schema-faq-question\">T\u1ea1i sao m\u00e3 QR \u0111\u00e3 in c\u1ee7a t\u00f4i l\u1ea1i qu\u00e9t \u0111\u01b0\u1ee3c tr\u00ean m\u00e0n h\u00ecnh nh\u01b0ng l\u1ea1i kh\u00f4ng qu\u00e9t \u0111\u01b0\u1ee3c khi in ra?<\/strong> <p class=\"schema-faq-answer\">C\u00e1c nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 \u0111\u1ed9 ph\u00e2n gi\u1ea3i in kh\u00f4ng \u0111\u1ee7 (d\u01b0\u1edbi 300 DPI), \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n th\u1ea5p gi\u1eefa m\u00e3 v\u00e0 n\u1ec1n nh\u00e3n, v\u00f9ng y\u00ean t\u0129nh b\u1ecb thi\u1ebfu ho\u1eb7c qu\u00e1 h\u1eb9p, ho\u1eb7c b\u1ec1 m\u1eb7t nh\u00e3n b\u00f3ng g\u00e2y ch\u00f3i. In m\u1ed9t b\u1ea3n th\u1eed nghi\u1ec7m, ki\u1ec3m tra c\u1ea3 b\u1ed1n y\u1ebfu t\u1ed1 v\u00e0 qu\u00e9t d\u01b0\u1edbi c\u00f9ng \u0111i\u1ec1u ki\u1ec7n \u00e1nh s\u00e1ng m\u00e0 kh\u00e1ch h\u00e0ng s\u1ebd s\u1eed d\u1ee5ng.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u c\u00e1ch in m\u00e3 QR c\u00f3 th\u1ec3 qu\u00e9t \u0111\u01b0\u1ee3c tr\u00ean nh\u00e3n. H\u01b0\u1edbng d\u1eabn n\u00e0y bao g\u1ed3m c\u00e1c \u0111\u1ecbnh d\u1ea1ng vector, quy t\u1eafc \u0111\u1ecbnh c\u1ee1, \u0111\u1ed9 ph\u00e2n gi\u1ea3i 300 DPI, \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n v\u00e0 l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u nh\u00e3n.<\/p>","protected":false},"author":17,"featured_media":53762,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[6],"tags":[],"class_list":["post-12871","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-how-to"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.7 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How to Print a QR Code on a Label<\/title>\n<meta name=\"description\" content=\"Learn how to print scannable QR codes on labels. This guide covers vector formats, sizing rules, 300 DPI resolution, contrast, and label material choices.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pageloot.com\/vi\/how-to\/print-qr-code-on-label\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Print a QR Code on a Label\" \/>\n<meta property=\"og:description\" content=\"Learn how to print scannable QR codes on labels. 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With a profound expertise spanning over 5 years solely on QR codes, Siim has become a subject matter expert in the field. He makes significant strides in leveraging QR technology to simplify and augment digital interactions. His journey didn\u2019t just start here. 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Siim c\u00f3 n\u1ec1n t\u1ea3ng k\u1ef9 thu\u1eadt s\u1ed1 s\u00e2u r\u1ed9ng v\u1edbi h\u01a1n 10 n\u0103m kinh nghi\u1ec7m v\u1eefng ch\u1eafc trong l\u0129nh v\u1ef1c Ph\u1ea7n m\u1ec1m d\u01b0\u1edbi d\u1ea1ng d\u1ecbch v\u1ee5 (SaaS), m\u1ed9t minh ch\u1ee9ng cho ki\u1ebfn th\u1ee9c s\u00e2u r\u1ed9ng c\u1ee7a \u00f4ng v\u1ec1 c\u00e1c gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt s\u1ed1.","sameAs":["https:\/\/www.linkedin.com\/in\/siim-tiigimagi\/"]},{"@type":"Question","@id":"https:\/\/pageloot.com\/how-to\/print-qr-code-on-label\/#faq-question-9b17ecbabe40","position":1,"url":"https:\/\/pageloot.com\/how-to\/print-qr-code-on-label\/#faq-question-9b17ecbabe40","name":"K\u00edch th\u01b0\u1edbc t\u1ed1i thi\u1ec3u cho m\u00e3 QR tr\u00ean nh\u00e3n s\u1ea3n ph\u1ea9m l\u00e0 bao nhi\u00eau?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The recommended minimum is 3 \u00d7 3 cm (1.2 \u00d7 1.2 inches) for most product labels. For compact labels like business cards, 0.8 \u00d7 0.8 inches can work if scanning conditions are good. Use the 10:1 rule as your guide: make the code at least 1\/10th the expected scanning distance.","inLanguage":"vi"},"inLanguage":"vi"},{"@type":"Question","@id":"https:\/\/pageloot.com\/how-to\/print-qr-code-on-label\/#faq-question-0b23e0e9bb95","position":2,"url":"https:\/\/pageloot.com\/how-to\/print-qr-code-on-label\/#faq-question-0b23e0e9bb95","name":"\u0110\u1ecbnh d\u1ea1ng t\u1ec7p n\u00e0o t\u00f4i n\u00ean s\u1eed d\u1ee5ng khi in m\u00e3 QR tr\u00ean nh\u00e3n?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Use a vector format \u2013 SVG, EPS, or PDF \u2013 whenever possible. These scale to any print size without losing sharpness. If you need a raster format like PNG, export at the highest available resolution and print at 300 DPI or higher to keep module edges clean.","inLanguage":"vi"},"inLanguage":"vi"},{"@type":"Question","@id":"https:\/\/pageloot.com\/how-to\/print-qr-code-on-label\/#faq-question-c54d01fe41f5","position":3,"url":"https:\/\/pageloot.com\/how-to\/print-qr-code-on-label\/#faq-question-c54d01fe41f5","name":"T\u1ea1i sao m\u00e3 QR \u0111\u00e3 in c\u1ee7a t\u00f4i l\u1ea1i qu\u00e9t \u0111\u01b0\u1ee3c tr\u00ean m\u00e0n h\u00ecnh nh\u01b0ng l\u1ea1i kh\u00f4ng qu\u00e9t \u0111\u01b0\u1ee3c khi in ra?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The most common causes are insufficient print resolution (below 300 DPI), low contrast between the code and the label background, a missing or too-narrow quiet zone, or a glossy label finish causing glare. Print a test proof, check all four factors, and scan under the same lighting conditions customers will use.","inLanguage":"vi"},"inLanguage":"vi"}]}},"_links":{"self":[{"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/posts\/12871","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/comments?post=12871"}],"version-history":[{"count":3,"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/posts\/12871\/revisions"}],"predecessor-version":[{"id":53929,"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/posts\/12871\/revisions\/53929"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/media\/53762"}],"wp:attachment":[{"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/media?parent=12871"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/categories?post=12871"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/tags?post=12871"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}