Kyocera TASKalfa 7002i Service Manual page 1446

7-9 Malfunction
No.
(1) The cassette paper size is misdetected
(2) The paper size loaded in the paper deck of the
large capacity feeder is misdetected.
(3) The MP tray paper size is misdetected.
(4) The controller fan motor does not rotate
(5) The developer fan motor does not rotate
(6) The main unit malfunctions even if turning on
the power switch
(7) Toner falls over the paper conveying section
Content of Malfunction
(1) The cassette paper size is misdetected
Step Check description
1 Checking the actuator
2 Checking the wire
3 Checking the paper width
detection sensor
Contents
Assumed cause
The actuator does not
operate properly.
The connectors are not
properly connected or the
wire is faulty.
The paper width detection
sensor operation is faulty.
(Final phenomenon: Malfunction such as the
abnormal image output due to heated CPU)
(Final phenomenon: The printing operation of
the main unit is frequently interrupted to cool the
machine inside according to the inner tempera-
ture increase during the continuous printing.)
(Final phenomenon: Toner adheres on the paper
leading edge)
Check if the actuator for the
paper length detection sensor
operates when inserting the
cassette. If it does not prop-
erly operate, reattach the
actuator.
Clean the terminal of the fol-
lowing wire connectors and
reinsert the connectors.
Replace the wire when it has
no continuity. • Paper length
detection sensor - Engine
PWB
Check if the paper width
detection sensor turns on
when inserting the cassette.
If it does not turn on, reattach
the paper width detection
sensor.
7-586
2WA/2NJ/2RK
Condition
Measures Reference
Wiring dia-
gram