{"id":7419,"date":"2025-11-21T14:07:49","date_gmt":"2025-11-21T14:07:49","guid":{"rendered":"https:\/\/dev.iaicon.com\/?post_type=instruction&#038;p=7419"},"modified":"2025-11-21T14:18:39","modified_gmt":"2025-11-21T14:18:39","slug":"method-for-judging-abnormal-quality-of-laser-printers-consumables-4-vertical-white-lines","status":"publish","type":"instruction","link":"https:\/\/www.iaicon.com\/fr\/instruction\/method-for-judging-abnormal-quality-of-laser-printers-consumables-4-vertical-white-lines\/","title":{"rendered":"Method for Judging Abnormal Quality of Laser Printers Consumables-4 vertical white lines"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>Description:<\/strong> Print vertical white lines<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"200\" height=\"278\" src=\"https:\/\/www.iaicon.com\/wp-content\/uploads\/2025\/11\/vertical-white-lines.png\" alt=\"\" class=\"wp-image-7421\" srcset=\"https:\/\/www.iaicon.com\/wp-content\/uploads\/2025\/11\/vertical-white-lines.png 200w, https:\/\/www.iaicon.com\/wp-content\/uploads\/2025\/11\/vertical-white-lines-108x150.png 108w, https:\/\/www.iaicon.com\/wp-content\/uploads\/2025\/11\/vertical-white-lines-9x12.png 9w, https:\/\/www.iaicon.com\/wp-content\/uploads\/2025\/11\/vertical-white-lines-64x89.png 64w\" sizes=\"(max-width: 200px) 100vw, 200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Possible Reasons<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li> Doctor blade deformation or adhesion of toner, impurities, toner cartridge problem<\/li>\n\n\n\n<li> If vertical white line appreared at the same place after replacing another toner cartridge. It means that the printer laser head has a foreign object, need to remove the object. <\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Process 1: <\/strong> The<strong> problem stopped after replacing<\/strong> the new toner cartridge<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Toner cartridge defected.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Process 2:<\/strong> The <strong>problem still exsits after replacing<\/strong> the new toner cartridge<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Printer problem\/batch complaints identification<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":false},"instructions-icategory":[4029],"class_list":["post-7419","instruction","type-instruction","status-publish","hentry","instructions-icategory-defect-identification-and-handling"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Method for Judging Abnormal Quality of Laser Printers Consumables-4 vertical white lines - i \u00b7 AICON<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.iaicon.com\/fr\/instruction\/method-for-judging-abnormal-quality-of-laser-printers-consumables-4-vertical-white-lines\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Method for Judging Abnormal Quality of Laser Printers Consumables-4 vertical white lines - i \u00b7 AICON\" \/>\n<meta property=\"og:description\" content=\"Description: Print vertical white lines Possible Reasons: Process 1: The problem stopped after replacing the new toner cartridge Toner cartridge defected. Process 2: The problem still exsits after replacing the new toner cartridge Printer problem\/batch complaints identification\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.iaicon.com\/fr\/instruction\/method-for-judging-abnormal-quality-of-laser-printers-consumables-4-vertical-white-lines\/\" \/>\n<meta property=\"og:site_name\" content=\"i \u00b7 AICON\" \/>\n<meta property=\"article:modified_time\" content=\"2025-11-21T14:18:39+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.iaicon.com\/wp-content\/uploads\/2025\/11\/vertical-white-lines.png\" \/>\n\t<meta property=\"og:image:width\" content=\"200\" \/>\n\t<meta property=\"og:image:height\" content=\"278\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.iaicon.com\\\/instruction\\\/method-for-judging-abnormal-quality-of-laser-printers-consumables-4-vertical-white-lines\\\/\",\"url\":\"https:\\\/\\\/www.iaicon.com\\\/instruction\\\/method-for-judging-abnormal-quality-of-laser-printers-consumables-4-vertical-white-lines\\\/\",\"name\":\"Method for Judging Abnormal Quality of Laser Printers Consumables-4 vertical white lines - 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