Canon MB5040 Ink Absorber Full Reset

When Canon MB5040 triggers an ink absorber full condition, the printer may block printing as a protective measure. The solution is typically a waste ink counter reset.

Ink absorber pads store waste ink during normal operation. Canon firmware tracks this using a software counter and may stop printing when it reaches the limit.

This page is prepared for Canon MB5040. Service mode instructions are shown only when a matching series procedure is known.

How the Error Appears

• Service / maintenance warning on the screen or driver
• Printer refuses to print even with ink available
• Blinking lights and queued jobs fail
• Error reappears after restart

Finalize the Reset and Restore Printing

Completing the reset clears the internal ink absorber counter stored in printer memory and restores normal operation.

Before You Continue

Treat the reset as a maintenance step. If your printer has extremely high usage, consider cleaning/replacing absorber pads to avoid overflow.

Download & get started

If your model does not show a service mode section, it means no matching procedure was found for its series.

Common Fixes

• Power-cycle the printer and try again.
• Close other Canon printer utilities while resetting.
• Repeat the service mode steps carefully (timing matters).
• Use the correct Stop/Reset press count for your series.
• Try a different USB cable/port if using PC software.