Olivetti JS-420, Service Manual

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3MK
1-4-4
1-4-3 Mechanical problems
Problem Causes/check procedures Corrective measures
(1)
Paper jams. Check if the contact between the job eject pul-
leys and job eject roller is correct. Check and remedy.
(2)
Abnormal noise is heard. Check if the job eject pulleys, job eject roller
and gears operate smoothly. Grease the bushings and gears.
Service Manual Y112370-6