Kyocera TASKalfa 406ci

1. No primary paper feed.

Failure point and check method	Corrective action
Check if the surface of the roller below is dirty with paper dust, etc. Pickup roller Paper feed roller MP paper feed roller	Clean the roller surface with alcohol.
Check if the roller below is deformed. Pickup roller Paper feed roller MP paper feed roller	Check and replace if deformed.
Feed unit mounting error.	Check and repair if failed.

2. No secondary paper feed.

Failure point and check method	Corrective action
Check if the surface of the roller below is dirty with paper dust, etc. DP registration roller DP registration pulley	Clean the roller surface with alcohol.
Detaching and reattaching the duplex paper conveying unit.	Check and repair if failed.

3. Skewed paper feed.

Failure point and check method	Corrective action
Poor attachment of the paper width guide in a cassette.	Check if the paper width guide is set at the correct position and repair

4. Multiple sheets of paper are fed.

Failure point and check method	Corrective action
1. Check if there is extreme curl on paper.	If curled, replace paper.
2. Paper is not loaded in the cassette correctly.	Load paper.
3. Check if the retard pulley is worn.	Replace if worn out.

5. Paper jam occurs.

Failure point and check method	Corrective action
Check if there is extreme curl on paper.	If curled, replace paper.
Check if the registration roller contacts the registration pulley correctly.	Check and repair if failed.
Extreme dirt or deformation of the heat roller and press roller.	Check and replace the fuser unit if failed.