Kyocera FS-1030D - Page 46

2G6
1-5-4
Code Error indications Contents
Check procedures/corrective measures
4000 Laser scanner unit [Polygon motor] error
Yes
Yes
Yes
No
No
No
No
No
No
Connect oscilloscope to
pin 1 (PLGCLK) and pin
3 (PLGDRN) of YC06 on
engine PWB (K0010).
Turn power switch off,
then on.
Turn power switch off,
then on.
Turn power switch on.
+24 V DC at pin 5 of
YC06 on engine PWB
(K0010) ?
Does
pin 3 (PLGDRN) of
YC06 on engine PWB
(K0010) goes high, then
low?
Does
pin 1 (PLGCLK) of
YC06 on engine PWB
(K0010) output square-
wave*
signal?
Does pin 2
(PLGRDYN) of YC6 on
engine PWB (K0010) goes high,
then low, within 8 seconds after
pin 3 (PLGDRN)
goes high, then
low?
Replace engine PWB
(K0010). See page 1-6-
9.
Replace harness (2DC2714)
between engine bard and
laser scanner unit.
Replace harness (2DC2714)
between engine PWB and
laser scanner unit.
Yes
Replace engine PWB
(K0010). See page 1-6-
9.
Replace engine PWB
(K0010). See page 1-6-
9.
Replace laser scanner
unit. See page 1-6-28.
Connect oscilloscope to
pin 2 (PLGRDYN) and
pin 3 (PLGDRN) of
YC06 on engine PWB
(K0010).
*: 1417 Hz
(705 ms)
OK?
OK?
Yes
Yes
Yes
Turn power switch on.
Replace laser scanner
unit. See page 5-29.
Turn power switch on.
OK?
End.
End.
End.
(A)
Continued
to next page.
No
START