{"product_id":"epson-cw-c4000-d3800-maintenance-box-sjmb4000","title":"Epson ColorWorks C4000\/D3800 Maintenance Box SJMB4000","description":"\u003cp\u003eEpson ColorWorks C4000 and D3800 maintenance box (SJMB4000) collects excess ink during automatic printhead cleaning cycles to maintain print quality and reliable operation. Replacing the maintenance box when full is required to keep the printer running.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFast shipping • Genuine Epson supplies • Price match guaranteed\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eKey Takeaways\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with Epson ColorWorks C4000\/D3800 label printers\u003c\/li\u003e\n\u003cli\u003eCollects waste ink during printhead cleaning cycles\u003c\/li\u003e\n\u003cli\u003ePrinter will not operate when full — replacement required\u003c\/li\u003e\n\u003cli\u003eDesigned for reliable, mid-volume label printing environments\u003c\/li\u003e\n\u003cli\u003eGenuine Epson OEM part for consistent performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat does the maintenance box do?\u003c\/h2\u003e\n\u003cp\u003eThe maintenance box captures excess ink used during cleaning and maintenance routines, helping maintain printhead performance and ensuring consistent print results.\u003c\/p\u003e\n\u003ch2\u003eWhen should the maintenance box be replaced?\u003c\/h2\u003e\n\u003cp\u003eThe printer will notify you when the maintenance box is full. Once full, the printer will stop printing until it is replaced.\u003c\/p\u003e\n\u003ch2\u003eWhy should you keep a spare maintenance box?\u003c\/h2\u003e\n\u003cp\u003eKeeping a spare maintenance box on hand helps prevent unexpected downtime. Since the printer cannot operate with a full box, having a replacement ready ensures uninterrupted label production.\u003c\/p\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Name:\u003c\/strong\u003e Maintenance Box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e SJMB4000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM SKU:\u003c\/strong\u003e C33S021601\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrinter Compatibility:\u003c\/strong\u003e Epson ColorWorks C4000\/D3800\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Epson (Genuine OEM)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy use genuine Epson maintenance boxes?\u003c\/h2\u003e\n\u003cp\u003eGenuine Epson maintenance boxes ensure proper fit, accurate capacity tracking, and reliable printer operation. Third-party maintenance boxes void your Epson warranty and may cause print defects, reduced durability, or printer damage.\u003c\/p\u003e\n\u003ch2\u003eFAQ: Epson C4000\/D3800 Maintenance Box\u003c\/h2\u003e\n\u003ch3\u003eWhat happens if the maintenance box is full?\u003c\/h3\u003e\n\u003cp\u003eThe printer will stop printing until the maintenance box is replaced.\u003c\/p\u003e\n\u003ch3\u003eCan I empty and reuse the maintenance box?\u003c\/h3\u003e\n\u003cp\u003eNo, maintenance boxes are designed for one-time use and must be replaced when full.\u003c\/p\u003e\n\u003ch3\u003eHow often does it need to be replaced?\u003c\/h3\u003e\n\u003cp\u003eReplacement frequency depends on print volume and cleaning cycles. It is recommended to keep a spare available.\u003c\/p\u003e\n\u003ch3\u003eIs this compatible with other Epson printers?\u003c\/h3\u003e\n\u003cp\u003eNo, this maintenance box is specifically designed for the Epson ColorWorks C4000\/D3800 printers.\u003c\/p\u003e\n\u003ch2\u003eRequest More Info\u003c\/h2\u003e\n\u003cp\u003e\u003cscript charset=\"utf-8\" type=\"text\/javascript\" src=\"\/\/js.hsforms.net\/forms\/shell.js\"\u003e\u003c\/script\u003e \u003cscript\u003e\n\nhbspt.forms.create({\n\n  portalId: \"4317793\",\n\n  formId: \"e26ff3b5-fd90-4584-8ad0-1b4342a62b2d\"\n\n});\n\n\u003c\/script\u003e\u003c\/p\u003e","brand":"Epson","offers":[{"title":"Default Title","offer_id":42607579070706,"sku":"C33S021601","price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0245\/0836\/6912\/products\/epson-cw-c4000-maintenance-box-sjmb4000-538489.jpg?v=1744309408","url":"https:\/\/jetcitylabel.com\/products\/epson-cw-c4000-d3800-maintenance-box-sjmb4000","provider":"Jet City Label, Inc.","version":"1.0","type":"link"}