Kyocera KM-4230 Service Manual page 544

Problem
(8) Check if the pulleys, rollers and
Abnormal gears operate smoothly.
noise is
Check if the following electro-
heard.
magnetic clutches are installed
correctly: upper/lower paper
feed clutches, feed clutches 1/
2/3/4/5 and bypass paper feed
clutch.
Causes/check procedures Corrective measures
Grease the bearings and gears.
Correct.
2A3/4
3-6-99