Oki ML421 Maintenance Manual - Page 106
Make sure of the fitting position of change gear shaft, change arm shaft and release
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4 Paper jam while paper insertion Jam 1 Oki Data CONFIDENTIAL Check the ribbon protector. Check the pull up roller cover is closed properly. Pull up roller cover Ribon Protector Jam 2 (wrinkled paper) Platen Paper Check around pressure roller mechanism. • Front pressure springs are narrow: 3 pcs; wide: 5 pcs) mounted properly or not. • Tension of all of front pressure rollers is properly. • Make sure of the fitting position of change gear shaft, change arm shaft and release shaft are correct. 42113901 Rev.2 106 /
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42113901
Rev.2
106 /
Oki
Data
CONFIDENTIAL
4
Paper jam while paper insertion
Jam 1
Check around pressure roller mechanism.
•
Front pressure springs are narrow: 3 pcs; wide: 5 pcs) mounted properly or not.
•
Tension of all of front pressure rollers is properly.
•
Make sure of the fitting position of change gear shaft, change arm shaft and release
shaft are correct.
Check the ribbon protector.
Check the pull up roller cover is closed properly.
Jam 2 (wrinkled paper)
Paper
Platen
Ribon Protector
Pull up
roller cover