Olivetti d-Copia 600 Service Manual page 229

Problem
(8)
Abnormal noise is heard.
Y104350-7
Causes/check procedures
Check if the pulleys, rollers and gears operate
smoothly.
Check if the following motors are installed
correctly: paper feed motor 1, paper feed
motor 2, paper feed motor 3, paper feed
motor 4 and MP feed motor.
Grease the bearings and gears.
Check visually and remedy if necessary.
Sevice Manual
Corrective measures
1-5-73