Kyocera TASKalfa 6551ci

6. Toner drops on the paper conveying path.

Causes/check procedures	Corrective measures
Check if the drum unit or developer unit is extremely dirty.	Clean the drum unit or developer unit.

7. Abnormal noise is heard.

Causes/check procedures	Corrective measures
Check if the rollers, pulleys and gears operate smoothly.	Grease the bushes and gears.
Check if the following clutches are installed correctly. Paper feed clutch 1, 2 Assist clutch 1, 2 Paper conveying clutch MP paper feed clutch PF paper feed clutch 1, 2 PF paper conveying clutch 1, 2, 3	Check visually and remedy if necessary.

8. No primary original feed.

Causes/check procedures	Corrective measures
Check if the surfaces of the following pulleys are dirty with paper powder. DP forwarding pulley DP feed belt	Clean with isopropyl alcohol.
Check if the following pulleys is deformed. DP forwarding pulley DP original feed belt	Check visually and replace any deformed

9. Multiple sheets of original are fed.

Causes/check procedures	Corrective measures
Original is not correctly set.	Set the original correctly.
Check if the DP separation pulley is worn.	Replace the DP separation pulley if it is worn

10. Originals jam.

Check if the contact between the DP registration roller and DP registration pulley is correct.

Causes/check procedures	Corrective measures
Originals being used do not conform with the specifications.	Use only originals conforming to the specifications.
Check if the surfaces of the following pulleys are dirty with paper powder. DP forwarding pulley DP feed belt	Clean with isopropyl alcohol.
Check if the contact between the DP registration roller and DP registration pulley is correct.	Check visually and remedy if necessary.
Check if the contact between the DP upper conveying roller and DP conveying pulley is correct.	Check visually and remedy if necessary.
Check if the contact between the DP left conveying roller and DP conveying pulley is correct.	Check visually and remedy if necessary.
Check if the contact between the DP right conveying roller and DP conveying pulley is correct.	Check visually and remedy if necessary.
Check if the contact between the DP eject roller and DP eject pulley is correct.	Check visually and remedy if necessary.