{"product_id":"roland-small-ink-damper-for-fj740","title":"Roland Small Ink Damper for FJ740","description":"\u003cdiv style=\"font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;line-height:1.6;color:#222;\"\u003e \u003ch2 style=\"font-size:22px;margin:0 0 12px;\"\u003eRoland Small Ink Damper for FJ740 \/ SJ645 \/ SJ745 \/ FJ540 Printers\u003c\/h2\u003e \u003cp style=\"margin:0 0 14px;\"\u003e The \u003cstrong\u003eRoland Small Ink Damper\u003c\/strong\u003e is a compact and reliable solution for maintaining ink stability in Roland wide-format printers. It provides effective filtering and stabilization for standard workloads. For heavy-duty applications, \u003cstrong\u003elarge dampers\u003c\/strong\u003e are also available. \u003c\/p\u003e \u003ch3 style=\"font-size:18px;margin:14px 0 8px;\"\u003eSmall vs. Large Ink Damper\u003c\/h3\u003e \u003ctable style=\"width:100%;border-collapse:collapse;font-size:15px;\"\u003e \u003cthead\u003e \u003ctr style=\"background:#f5f5f5;\"\u003e \u003cth style=\"border:1px solid #ddd;padding:8px;\"\u003eFeature\u003c\/th\u003e \u003cth style=\"border:1px solid #ddd;padding:8px;\"\u003eSmall Ink Damper\u003c\/th\u003e \u003cth style=\"border:1px solid #ddd;padding:8px;\"\u003eLarge Ink Damper\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eInk Flow\u003c\/td\u003e \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eStandard capacity for normal workloads\u003c\/td\u003e \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eHigher ink flow for intensive printing\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eStability\u003c\/td\u003e \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eAdequate stabilization for daily print jobs\u003c\/td\u003e \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eEnhanced buffer against fluctuations\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eBest Use\u003c\/td\u003e \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eGeneral production \/ office print shops\u003c\/td\u003e \u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eHigh-volume continuous production\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch3 style=\"font-size:18px;margin:14px 0 8px;\"\u003eBenefits\u003c\/h3\u003e \u003cul style=\"margin:0 0 14px;padding-left:18px;\"\u003e \u003cli\u003eFilters fine particles to protect the printhead\u003c\/li\u003e \u003cli\u003eEnsures smooth ink delivery for consistent output\u003c\/li\u003e \u003cli\u003eCompact size for easy replacement and installation\u003c\/li\u003e \u003cli\u003eCost-efficient option for standard workflows\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e 1 × Small Ink Damper (Large Damper available separately)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cp\u003eRoland Small Ink Damper for FJ740 is offered as a replacement damper for compatible printer maintenance and spare-parts replacement. It is intended for buyers who need to match the correct machine configuration, connector type, and manufacturer part number before installation.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003ePrinter models referenced in current product data: FJ740\u003c\/li\u003e \u003cli\u003eConfirm the printer model, part number, connector layout, size, and use position before ordering when compatibility is uncertain.\u003c\/li\u003e \u003cli\u003ePart number reference: FJ740\u003c\/li\u003e \u003cli\u003eIf your machine has multiple revisions, compare the model-reference part number, connector layout, and mounting position before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFunction and Use Position\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eStabilizes ink pressure before the printhead\u003c\/li\u003e \u003cli\u003eHelps filter micro-particles and reduce bubbles in the ink path\u003c\/li\u003e \u003cli\u003eSupports smoother ink delivery during printing and cleaning cycles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKey Details\u003c\/h2\u003e\n\u003ctable width=\"100%\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003cth align=\"left\"\u003eCondition\u003c\/th\u003e \u003ctd\u003eReplacement\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth align=\"left\"\u003eCategory\u003c\/th\u003e \u003ctd\u003eDamper\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth align=\"left\"\u003eVendor\u003c\/th\u003e \u003ctd\u003eUV INK PRO\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth align=\"left\"\u003eProduct Type\u003c\/th\u003e \u003ctd\u003eDamper\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth align=\"left\"\u003ePart Number\u003c\/th\u003e \u003ctd\u003eFJ740\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOrdering Notes\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eReplacement status: Replacement.\u003c\/li\u003e \u003cli\u003eMatch manufacturer part reference \/ part number: FJ740.\u003c\/li\u003e \u003cli\u003eCommon machine reference found in title or tags: FJ740.\u003c\/li\u003e \u003cli\u003eFor electronic parts, motion parts, and fluid-system parts, professional installation is recommended.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e 1 × Roland Small Ink Damper for FJ740\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eCommon Replacement Scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplace when colors intermittently drop out, bubbles appear repeatedly, or the printhead side shows unstable ink feeding.\u003c\/li\u003e \u003cli\u003eInspect this part when the damper body becomes stained, swollen, cracked, or no longer seals reliably.\u003c\/li\u003e \u003cli\u003eOn printers with multiple channels, one weak damper can affect daily color consistency even if the printhead is still usable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment Checklist\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReferenced machine models: FJ740, SJ645, SJ745, FJ540.\u003c\/li\u003e \u003cli\u003eConfirm the printhead-side connector, damper shape, and line orientation against the model-reference part.\u003c\/li\u003e \u003cli\u003eCheck joint style, filter structure, connector direction, sealing method, and manufacturer reference before final purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eService Pairing Suggestions\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMany buyers inspect cap tops, ink tubes, pumps, and filters at the same time when damper problems appear.\u003c\/li\u003e \u003cli\u003eUse this damper only when the UV \/ UV LED ink path, connector style, and physical size match the reference assembly.\u003c\/li\u003e \u003cli\u003eProfessional installation is recommended when the printer uses a sealed manifold or tightly packed multi-channel head carriage.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"UV INK PRO","offers":[{"title":"Small","offer_id":44272614867030,"sku":null,"price":0.73,"currency_code":"USD","in_stock":true},{"title":"Large","offer_id":44272614899798,"sku":null,"price":1.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0691\/3782\/5878\/files\/Roland-Ink-Damper-for-FJ740-1_c18bd6d2-adb5-4439-8ad4-5a7a13aca6ed.webp?v=1774950617","url":"https:\/\/www.uvinkpro.com\/products\/roland-small-ink-damper-for-fj740","provider":"UV INK PRO","version":"1.0","type":"link"}