Konica-Minolta bizhub 20

5. Paper jam in the tray 2

Step	Cause	Check	Result	Remedy
1	Tray 2 edge actuator catching on some position	Does the tray 2 edge actuator move smoothly?	No	Re-assemble the tray 2 edge actuator.
2	Tray 2 sensor PCB ASSY failure	Is the problem solved after replacing the tray 2 sensor PCB ASSY?	Yes	Replace the tray 2 sensor PCB ASSY.
3	Tray 2 solenoid failure	Is the problem solved after replacing the tray 2 solenoid?	Yes	Replace the tray 2 solenoid.

6. Paper jam in the Duplex unit section

Step	Cause	Check	Result	Remedy
1	Duplex unit failure	Is the problem solved after replacing the Duplex unit?	Yes	Replace the Duplex unit.

7. Dirt on Paper

User Check

- Check if the paper is loaded into the paper tray correctly.
- Turn over the stack of paper in the paper tray, or try rotating the paper 180° in the paper tray.

Step	Cause	Check	Result	Remedy
1	Fuser unit dirty	Is there dirt around the entrance of the fuser unit?	Yes	Clean the entrance of the fuser unit.
		Is the pressure roller ASSY dirty?	Yes	Clean the pressure roller ASSY.

8. Wrinkles or creases

User Check

- Check if the paper is loaded into the paper tray correctly.
- Turn over the stack of paper in the paper tray, or try rotating the paper 180° in the paper tray.

Step	Cause	Check	Result	Remedy
1	Fuser unit dirty	Is there dirt around the entrance of the fuser unit?	Yes	Clean the entrance of the fuser unit.
2	Fuser unit failure	Is the problem solved if new fuser unit is replaced?	Yes	Replace the fuser unit.

9. Waves in the paper / folds in the paper at the eject roller 2

User Check

- Check that the problem is solved if new paper is used.

Step	Cause	Check	Result	Remedy
1	Foreign object around eject roller 2	Is there a foreign object around the eject roller 2?	Yes	Remove the foreign object.
2	Eject roller 2 failure	Is the problem solved after replacing the new eject roller 2?	Yes	Replace the Joint cover ASSY.