Epson C12C939891 Maintenance Box (For L1310, L3310, L3316, L3350, L3356, L5390)

The Epson C12C939891 (also known as the C9398 maintenance box) is an original user-replaceable waste ink tank. It collects and safely stores excess ink flushed out from the printhead system during startup routines, normal operations, and deep cleaning.

Key Details & Function

• Purpose: Absorbs waste ink to prevent internal leaks, smudging, and component damage.
• Alert System: Your printer or computer software will automatically display a notification when the maintenance box is near capacity or needs replacement.
• Design: Clean, user-swappable module that you can replace yourself without needing a service technician.