MC-G03 Maintenance cartridge

Canon MC‑G03 Maintenance Cartridge (Part No. 5794C001 / MC‑G03)

The Canon MC‑G03 Maintenance Cartridge is a crucial consumable designed to absorb excess ink produced during printhead cleaning cycles and overspray. Built for easy user replacement, it maintains clean ink paths and prevents internal ink overflow—critical for smooth, reliable operation of MegaTank printers.

 Key Features:

• Ink absorption: Captures and holds waste ink from cleaning and printing overspray

• User‑replaceable: Quickly swapped out by users when prompted

• Printer protection: Safeguards internal components and ensures long-term performance

• Printer alerts: Your printer notifies you when it’s time to replace the cartridge

 Officially Compatible Canon MAXIFY MegaTank Printers:

• GX3020

• GX4020

• Also supported in: GX3010, GX4010, GX3040, GX3050, GX4040, GX4050, GX3060, GX4060, GX3070, GX4070, GX3080 series

 Page Yield & Duration:

• Estimated capacity: absorbs waste ink equivalent to ~3,130 pages of standard printing

• Replacement trigger: Varies based on cleaning frequency—your printer displays a notification when it’s time to replace it

 Why It Matters:

• Maintains optimal print quality by preventing ink buildup

• Extends printer life and avoids service disruptions

• A required consumable for reliable inkjet maintenance—your printer won’t operate without a functioning cartridge

Summary: If you own a Canon MAXIFY GX3000 or GX4000-series MegaTank printer, the MC-G03 (Part No. 5794C001) is an essential maintenance cartridge designed to absorb internal waste ink. It protects your printer, ensures quality prints, and keeps your printer operational—just replace it when prompted.