Symptom Step Check Item Result Action
•
Paper is wedged
at the Paper
Separator Fingers.
10
Does the voltage across
PJ24A-4 on PWB-A and
GND change from DC24V
to DC0V after the Start Key
has been pressed?
YES
Adjust the Solenoid, or
check the Paper Separator
Fingers for operation and
clearance.
NO Replace PWB-A.
11
Are the Paper Separator
Fingers deformed or dirty? YES
Correct or clean, or replace,
the Paper Separator
Fingers.
•
Paper is
stationary before
the Suction Belts. 12
Is the voltage across
PJ2A-4 on PWB-A and
GND DC5V when Transport
Roller Sensor PC51 is
unblocked?
NO
Check the Actuator for
operation.
Check PC51.
13
Does the voltage across
PJ2A-3 on PWB-A and
GND change from DC0V to
DC5V when Paper Leading
Edge Detecting Sensor
PC54 is unblocked?
YES
Replace PWB-A.
NO
Check the Actuator for
operation.
Check PC54.
14
Do the Suction Belts turn
properly?
YES
Check the Belts and Drive
Gear.
15
Is Suction Fan Motor M4
turning when the Start Key
is pressed?
YES
Check the DC24V line.
Check M4.
*
Does the voltage across
PJ6A-8 on PWB-A and
GND change from DC24V
to DC0V when the Start
Key is pressed?
NO
Replace PWB-A.
T-21
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