{"id":7426,"date":"2025-11-21T14:24:18","date_gmt":"2025-11-21T14:24:18","guid":{"rendered":"https:\/\/dev.iaicon.com\/?post_type=instruction&#038;p=7426"},"modified":"2025-11-21T14:24:18","modified_gmt":"2025-11-21T14:24:18","slug":"method-for-judging-abnormal-quality-of-laser-printers-consumables-7-horizontal-black-lines","status":"publish","type":"instruction","link":"https:\/\/www.iaicon.com\/zh\/instruction\/method-for-judging-abnormal-quality-of-laser-printers-consumables-7-horizontal-black-lines\/","title":{"rendered":"Method for Judging Abnormal Quality of Laser Printers Consumables-7 horizontal black lines"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>Description:<\/strong> Printed horizontal black lines<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"204\" height=\"271\" src=\"https:\/\/www.iaicon.com\/wp-content\/uploads\/2025\/11\/horizontal-black-lines.png\" alt=\"\" class=\"wp-image-7427\" srcset=\"https:\/\/www.iaicon.com\/wp-content\/uploads\/2025\/11\/horizontal-black-lines.png 204w, https:\/\/www.iaicon.com\/wp-content\/uploads\/2025\/11\/horizontal-black-lines-113x150.png 113w, https:\/\/www.iaicon.com\/wp-content\/uploads\/2025\/11\/horizontal-black-lines-9x12.png 9w, https:\/\/www.iaicon.com\/wp-content\/uploads\/2025\/11\/horizontal-black-lines-64x85.png 64w\" sizes=\"(max-width: 204px) 100vw, 204px\" \/><\/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>Excessive resistance in the charging roller, indentations, scratches, or OPC contamination lines can all cause horizontal black lines in printing. The specific cycle of the consumable can be determined by the spacing of the white lines (refer to the defect cycle table).<\/li>\n\n\n\n<li>Generally, horizontal black lines in printouts are related to the drum and have little to do with the printer itself.<\/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-7426","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-7 horizontal black 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\/zh\/instruction\/method-for-judging-abnormal-quality-of-laser-printers-consumables-7-horizontal-black-lines\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Method for Judging Abnormal Quality of Laser Printers Consumables-7 horizontal black lines - i \u00b7 AICON\" \/>\n<meta property=\"og:description\" content=\"Description: Printed horizontal black lines Possible Reasons: Process 1: The problem stopped after replacing the new toner cartridge Toner cartridge defected. 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