Kyocera ECOSYS P3050dn

3S3
1-3-4
1-3-3 Electric problems
Problem Causes/check procedures Corrective measures
(1) "Tray elevation
motor does not oper-
atte.
Defective wire. Follow the flow chart below.
Defective PF main PWB.
Defective tray elevation
motor.
Replace tray elevation motor.
After replacing, check whether
the operation status is in good
status or not.
Replace PF main PWB.
Repair or
replace part.
No
No
Yes
Yes
Replace or
repair wire.
No
Yes
pin 1 (+)
pin 2 (-)
PF main PWB
Capacitor (C5)
Measure voltage
End
OK?
Start
YC3
1
14
3
YC9
YC2
1
1
7
5
31
YC5
12
YC7
YC4
13
YC6
2
111
1
YC8
C5
U13
YC1
Wire between
PF main PWB and tray
elevation motor is in
good status? (no
damage coating, or no
connector loosen,
etc.?)
Is belt or gear
in the tray elevation motor
in good status? (No belt
damage, no gear crack?)
Or, is the driving part in
good status?