Epson ColorWorks C4000/D3800 Maintenance Box | SJMB4000

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The Epson ColorWorks C4000 Maintenance Box is a required consumable for the Epson ColorWorks C4000 label printer with gloss ink, the Epson ColorWorks C4000 label printer with matte ink, and the Epson ColorWorks CW-D3800 label printer. It is a sealed unit that collects waste ink generated during printhead cleaning cycles and routine maintenance operations. When the box reaches capacity the printer will stop printing entirely until it is replaced. The printer displays an early warning when the box is approaching full, giving you time to order a replacement before it becomes an urgent issue.

Part numbers: SJMB4000 / C33S021601

Compatible with: Epson ColorWorks CW-C4000 (gloss and matte configurations) and Epson ColorWorks CW-D3800

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Orders over $250 ship free to the continental United States. Same-day shipping is available on orders placed before 2 PM Pacific time.

Keeping a spare maintenance box on hand is the simplest way to avoid unplanned downtime. When the replacement warning appears, you can swap the box immediately and keep your production run going without waiting on a shipment. The maintenance box is one of the most overlooked consumables in a color label printing setup, but it is one of the easiest to manage when you stay ahead of it.

Why order from Pacific Barcode

Pacific Barcode is an Epson ProFocus Platinum Partner, the highest tier in Epson’s authorized reseller program. That means you are buying genuine, factory-fresh ink directly from a dealer Epson has vetted for technical expertise and customer support. Your warranty stays intact and your ink is never counterfeit, refilled, or sitting in a warehouse for years before it ships.