Confidential
9-22
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.
(3) Main motor failure
Possible cause
Step
Check
Result
Remedy
Failure of
connector
1 Is the connection of
connector CN6 on the main
PCB correct?
No Reconnect the connector.
Main motor 2 Is the problem solved by
replacing the main motor?
Yes Replace the main motor.
Main PCB 3 Is the problem solved by
replacing the main PCB?
Yes Replace the main PCB.
(4) No paper supplied
Possible cause
Step
Check
Result
Remedy
Separation pad
/ pickup roller
failure
1 Is the surface of the
separation pad or the
pickup roller dirty or worn
out?
Yes 1) Clean the surface of the
separation pad or pickup
roller.
2) Replace the separation pad
or pickup roller.
Failure of
connector
2 Is the contact of the
solenoid connector on the
relay front PCB good?
No Reconnect the connector.
HVPS circuit Yes Replace the HVPS.
Paper pickup
clutch
solenoid
3 Set the document into the
ADF, select MP tray in the
copy mode and press the
[Start] key.
Does the voltage between
pins 1(SOLENOID) and 2
(24V) of the CN1 TRAY1,
CN3 MP connector on the
relay front PCB change
from approx. 24V DC to
0V within the specified
time?
No Replace the paper pickup clutch
solenoid.
Main PCB 4 Is the problem solved by
replacing the main PCB?
Yes Replace the main PCB.