Kyocera FS-9120DN Service Manual page 113

Problem
(7)
Abnormal noise is
heard.
Causes/check procedures
Check if the pulleys, rollers and gears oper-
ate smoothly.
Check if the following electromagnetic
clutches are installed correctly: upper/lower
paper feed clutches, feed clutches 1/2/3, MP
paper feed clutch and MP feed clutch.
Corrective measures
Grease the bearings and gears.
Correct.
FS-9120DN/9520DN
1-5-43