OKI MC160 error 402: Toner recognition fix
The OKI MC160 error 402 is a toner recognition fault. It happens when the internal electronics cannot communicate with the cartridge chip. This is typically a temporary connection issue that can be cleared by reseating the affected toner cartridge.
Common causes
- 1Chip contact obstruction by toner dust.
- 2Faulty or damaged cartridge chip.
- 3Incorrect cartridge installation.
- 4Hardware communication failure.
Solutions
Quick Diagnosis
If you see error 402, check if the cartridge is correctly installed. Often, a bit of dust on the chip prevents the printer from establishing a reliable link.Step-by-step solution
- Open the toner door of your MC160.
- Remove the cartidge that is triggering the alert.
- Clean the electrical pads on the cartridge with a lint-free cloth.
- Reinsert the cartridge ensuring a tight click-lock.
- Restart the device to refresh the hardware status.
Prevention and Maintenance
Handle toners by their chassis, not the chip area. Clean the internal toner housing annually to ensure contacts remain dust-free.When to call a technician
If the error 402 persists despite cleaning, the printer's internal sensor connector might need an inspection by service professionals.Technical specifications
- Technology: LED Color
- Speed: 20 ppm
- Connectivity: Network enabled
- Consumable: OKI MC160 original toner
- Usage: Small to medium office
- Official drivers / firmware
Steps to follow
- 1
Inspect cartridge
Remove the toner and verify it's properly locked in the housing.
- 2
Clean chip contacts
Wipe the toner chip with a clean, dry cloth to remove debris.
- 3
Power reset
Power off the printer to allow it to re-check toner status.
Frequently asked questions
The 402 error indicates a communication issue between the printer's motherboard and the toner cartridge chip.
Yes, usually reseating the cartridge or cleaning the metallic contacts will resolve the communication error.
Genuine OKI cartridges are recommended for reliable chip detection.
Replace toner once the printer alerts you of a low supply to avoid print quality loss.