Oki ML420 Maintenance Manual page 106

Paper jam while paper insertion
4
Jam 1
Check the ribbon protector.
Check the pull up roller cover is closed properly.
Jam 2 (wrinkled 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.
42113901TH01 Rev.3
Pull up
roller cover
Ribon Protector
Oki Data CONFIDENTIAL
Platen
Paper
106 /