Kyocera 300ci Service Manual page 295

Problem
(7)
Toner drops on the paper
conveying path.
(8)
Abnormal noise is heard.
Causes/check procedures
Check if the developing unit is extremely dirty. Clean the developing unit.
Check if the pulleys, rollers and gears operate
smoothly.
Electrical problem with the following electro-
magnetic clutches: paper feed clutch 1/2, feed
clutch, registration clutch, middle clutch, MP
paper feed clutch and MP paper conveying
clutch
Corrective measures
Grease the bearings and gears.
Correct.
2JZ/2JX/2JV/2H7
1-4-77