Oki ML420 - Page 106

42113901TH01 Rev.3 106 /
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