Kyocera FS-1030D - Does Pin

2G6
1-5-6
Code Error indications Contents
Check procedures/corrective measures
4200 Laser scanner unit [Pin photo diode] error
Yes
Yes
No
No
No
No
No
Connect oscilloscope to
pin 4 (OUTPEN) of
YC07 on main PWB
(K0011).
Turn power switch off,
then on.
Turn power switch off,
then on.
Turn power switch on.
+5 V DC at pin 6 of
YC07 on main PWB
(K0011) ?
Does
pin 4 (OUTPEN) of
YC06 on main PWB
(K0011) goes high, then
low before "4200"
error?
Does pin 8
(PDN) of YC06 on
main PWB (K0011) output pulse
signal*, within 0.1 second after
pin 4 (OUTPEN) goes
high, then
low?
Replace harness
(2FM2602) between main
PWB and engine PWB.
Yes
Replace main PWB
(K0011). See page 1-6-
10.
Replace main PWB
(K0011). See page 1-6-
10.
Connect oscilloscope to
pin 4 (OUTPEN) and
pin 8 (PDN) of YC07 on
main PWB (K0011).
OK?
Yes
Yes
Turn power switch on.
OK?
End.
End.
Replace engine PWB
(K0010). See page 1-6-
9.
(B)(C)
Continued
to next page.
Continued
to next page.
*: Pin photo diode
detect horizontal
synchronization signal
(Frequency: 1417 Hz,
Low level width: 10 ms)
START