Fix Brother MFC-J680DW C4 Error Code
The Brother MFC-J680DW C4 error denotes a sensor communication issue, likely regarding the ink system or the printhead. If your machine stops with this code, it's often a transient signal error. Investigating why my Brother MFC-J680DW C4 error occurs can often prevent unnecessary service costs.
Common causes
- 1Chip detection failure.
- 2Air in ink tubes.
- 3Obstructed nozzles.
- 4Main board sensor glitch.
Solutions
Quick Diagnosis
If the machine displays C4, check if an ink cartridge is nearly empty or has been recently replaced. Ensure the cartridge tray is fully closed.Step-by-Step Solution
- Disconnect the unit from power for 10 minutes.
- Re-seat all ink cartridges firmly into the carriage.
- Run a deep cleaning cycle from the printer menu.
- Restart the machine.
Prevention and Maintenance
Always shut down the printer using the physical power button, not by unplugging the cord, to ensure the printhead docks safely.When to Call a Technician
If the C4 error remains after these steps, the printer's internal sensor for ink levels may be faulty.Technical Specs
- Technology: Inkjet
- Speed: 12 ppm
- Connectivity: Wi-Fi/USB
- Consumable: LC201/LC203 Series
- Official Drivers
Steps to follow
- 1
Reset
Power off and unplug the printer for 10 minutes.
- 2
Check cartridges
Verify that all ink cartridges are seated properly.
- 3
Run cleaning
Perform a printhead cleaning cycle from the settings menu.
Frequently asked questions
This error usually indicates a communication issue between the printer and the ink cartridge or printhead.
Most of the time, yes; re-seating cartridges or running a cleaning cycle will resolve it.
Genuine Brother LC201/203 series ink is best for reliability.
Run a test page once a week to keep ink flowing.