Kyocera TASKalfa 620 Service Manual page 220

2KN/2KP
DP
Problem
(1)
No primary original feed.
(2)
No secondary paper
feed.
(3)
Originals jam.
1-4-76
Causes/check procedures
The surfaces of the DP forwarding pulleys or
DP feed belts are dirty with paper powder.
Check if the DP forwarding pulley is
deformed.
Electrical problem with the original feed
motor.
Check if the DP feed belts are loose.
The surfaces of the DP separation roller is
dirty with paper powder.
Check if the DP separation roller is deformed. Check visually and replace any deformed
Electrical problem with the following motors:
original conveying motor and original registra-
tion motor.
Originals outside the specifications are used.
The surfaces of the DP forwarding pulley, DP
feed belts or DP separation roller are dirty
with paper powder.
The DP forwarding pulley and the DP separa-
tion roller do not contact each other correctly.
Corrective measures
Check and clean them with isopropyl alcohol
if they are dirty.
Check visually and replace any deformed
pulley (see page 1-5-75).
See page 1-4-72.
Reinstall the DP feed belts.
Check and clean them with isopropyl alcohol
if it is dirty.
roller (see page 1-5-75).
See page 1-4-72.
Use only originals conforming to the specifi-
cations.
Check and clean them with isopropyl alcohol
if they are dirty.
Check visually and remedy if necessary.