Kyocera ECOSYS M3040dn Service Manual page 266

Problem
(7)
Abnormal noise is
heard.
Causes/check procedures
1. Check if the rollers, pulleys and
gears operate smoothly.
2. Check if the following clutches are
installed correctly.
Paper feed clutch
Registration clutch
Duplex clutch
Grease the bushes and gears.
Check visually and remedy if necessary.
1-4-104
2NM/2NX/2NY/2NZ/2P0/2P6
Corrective measures