Table of Contents
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WARNING: If you analyze malfunctions with the power plug inserted into the power outlet, special
caution should be exercised even if the power switch is OFF because it is a single pole
switch
M-3
Main motor failure
Possible cause
Step
Failure of
1
connector
Main motor
2
Main PCB
3
M-4
No paper supplied
Possible cause
Step
Separation pad
1
/ pickup roller
failure
Failure of
2
connector
HVPS circuit
3
Paper pickup
clutch
solenoid
Main PCB
4
Check
Is the connection of
connector CN9 on the main
PCB correct?
Is the problem solved by
replacing the main motor?
Is the problem solved by
replacing the main PCB?
Check
Is the surface of the
separation pad or the
pickup roller dirty or worn
out?
Is the contact of the
solenoid connector on the
high voltage PCB good?
Set paper in the manual
feed slot and make a test
print.
Does the voltage between
pins 2 (SOLENOID) and 1
(24V) of the CN16
connector on the main PCB
change from approx. 24V
DC to 0V within the
specified time?
Is the problem solved by
replacing the main PCB?
9 -2 2
Result
Remedy
No
Reconnect the connector.
Yes
Replace the main motor.
Yes
Replace the main PCB.
Result
Remedy
Yes
1) Clean the surface of the
separation pad or pickup
roller.
2) Replace the separation pad
or pickup roller.
No
Reconnect the connector.
Yes
Replace the HVPS.
No
Replace the paper pickup clutch
solenoid.
Yes
Replace the main PCB.
Confidential
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Table of Contents
Troubleshooting
