Symptom Step Check Item Result Action
•
Paper is
stationary near
Vertical Transport
Detection Sensor
4 PC22.
8
Does the voltage across
PJ9AA-12 on PWB-A and
GND change from DC5V to
DC0V when PC22 is
blocked by a sheet of
paper?
YES
Replace PWB-A or PWB-A
(PF-201).
NO
Check the Actuator for
operation and check the
Sensor.
•
Paper is
stationary before
the copier.
9
Does the voltage across
PJ9AA-12 on PWB-A and
GND change from DC0V to
DC5V when PC22 is
blocked by a sheet of
paper?
YES
Replace PWB-A or PWB-A
(PF-201).
NO
Check the Actuator for
operation and check the
Sensor.
10
Is the Vertical Transport
Roller or Guide Plate
deformed, worn, or dirty
with paper dust?
YES
Clean or replace the
Vertical Transport Roller or
Guide Plate.
NO
Check the Paper Feed
Cabinet for positive
connection to the copier.
•
The leading edge
of the paper is
stationary in the
copier.
11
Does the voltage across
PJ6A-6 on PWB-A and
GND change from DC24V
to DC0V when the Start
Key is pressed?
YES
Check the Clutch.
NO
Replace the PWB-A of the
copier.
12
Is the Vertical Transport
Roller or Guide Plate of the
copier deformed, worn, or
dirty with paper dust?
YES
Clean or replace the
Vertical Transport Roller or
Guide Plate.
T-15