Kyocera FS-1016MFP - Placing Originals for Copying

2G4
1-4-6
4000 Polygon motor (laser scanner unit)
error
The polygon motor ready input is not
given for eight seconds during the poly-
gon motor is driven.
Defective harness
between engine/
high voltage PWB
and laser scanner
unit.
Follow the flow chart.
Defective engine/
high voltage PWB.
Defective polygon
motor (laser scan-
ner unit).
Code Contents
Remarks
Causes Check procedures/corrective measures
* : 1417 Hz (705 µs)
Start
End.
End.
End.
OK?
OK?
OK?
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
+24 V DC
at pin 5 of YC3
connector on the
engine/high voltage
PWB?
Connect oscilloscope to pin 1
(PLGCLK) and pin 3 (PLGON)
of YC3 connector on the
engine/high voltage PWB.
Turn power switch off, then
on.
Does pin
3 (PLGON) of
YC3 connector on the
engine/high voltage PWB
goes high, then
low?
Does pin 1
(PLGCLK) of YC3
connector on the
engine/high voltage PWB
output square-wave*
signal?
Does pin 2
(PLGDRY) of
YC3 connector on the
engine/high voltage PWB goes
high, then low, within 8 seconds
after pin 5 (REMOTE)
goes high, then
low?
Replace harness between
engine/high voltage PWB and
laser scanner unit.
Replace laser scanner unit.
Replace laser scanner unit.
Turn pow
er switch on.
Turn power switch on.
Turn power switch on.
Replace engine/high
voltage PWB.
Replace engine/high
voltage PWB.
Replace engine/high
voltage PWB.
Replace engine/high
voltage PWB.
Turn power switch off, then
on.
Connect
oscilloscope to pin 2
(PLGDRY) and pin 3 (PLGON)
of YC3 connector on the
engine/high voltage PWB.
Replace harness between
engine/high voltage PWB and
laser scanner unit.
See page P.1-5-14.
See page P.1-5-17.
See page P.1-5-14.
See page P.1-5-14.
See page P.1-5-17.
See page P.1-5-14.