3NC/3NB/3NK
1-4-24
1-4-4 Mechanical problems
If the part causing the problem was not supplied, use the unit including the part for replacement.
Problem Causes/check procedures Corrective measures
(1)
Paper jams.
Paper outside specifications is used. Use only paper conforming to the speci-
fications.
Check if the following rollers is deformed.
Paper conveying roller
Paper conveying pulley
Feedshift roller
Feedshift pulley
Eject roller 1,2
Eject pulley 1,2
Middle roller
Middle pulley
Middle eject roller
Middle eject pulley
Eject roller
Eject pulley
Check visually and replace any
deformed.
Check if the surfaces of the following roll-
ers are dirty with paper powder.
(Bridge section)
Paper conveying roller
Paper conveying pulley
Clean with isopropyl alcohol.
Check if the surfaces of the following roll-
ers are dirty with paper powder.
(Bridge section)
Feedshift roller
Feedshift pulley
Clean with isopropyl alcohol.
Check if the surfaces of the following roll-
ers are dirty with paper powder.
(Bridge section)
Eject roller 1,2
Eject pulley 1,2
Clean with isopropyl alcohol.
Check if the surfaces of the following roll-
ers are dirty with paper powder.
(DF section)
Middle roller
Middle pulley
Clean with isopropyl alcohol.
Check if the surfaces of the following roll-
ers are dirty with paper powder.
(DF section)
Middle eject roller
Middle eject pulley
Clean with isopropyl alcohol.
Check if the surfaces of the following roll-
ers are dirty with paper powder.
(DF section)
Eject roller
Eject pulley
Clean with isopropyl alcohol.