The Epson C9345 (C12C934591) Maintenance Box is a user-replaceable, essential ink management component for Epson EcoTank Pro (ET-58XX, ET-166XX), WorkForce (WF-78XX), and L-series (L65XX, L151XX) printers. It captures excess ink during printhead cleanings and borderless printing, with the printer alerting users when replacement is required to ensure consistent performance. Key Features and Description Purpose: Stores waste ink generated during printhead cleaning and printing, preventing internal contamination. Model Number: C12C934591 (C9345). User Replaceable: Easily removed and installed by the user, typically located behind a small panel on the printer. Smart Alert System: The printer LCD or computer software will notify you when the box is near or at capacity, at which point printing stops. Compatibility: EcoTank Pro: ET-5800, ET-5850, ET-5880, ET-16600, ET-16650 WorkForce Pro: WF-7310, WF-7820, WF-7830, WF-7840, EC-C7000 L-Series: L6550, L6570, L6580, L15150, L15160, L15180, L11160 Other: ST-C8000, ST-C8090, M15140, M15180
