Minolta EP1054 Service Manual page 178

FrameMaker Ver.5.5(PC) EP1054/EP1085/EP2030 TROUBLESHOOTING
98.05.15
C099E, C099F
Step Check Item
Check Shift Gate Position Detecting
Sensor PC34.
1
See p. T-2
(PF-112) PWB-A IC1A PC1.
C0996
Step Check Item
Does the voltage across PJ6A-2 on
PF-112 PWB-A and GND change
from DC0V to DC24V when the
1
Paper Descent Key is pressed and
the Main Tray has completed down-
ward motion?
Check 3rd Drawer Set Sensor PC7.
See p. T-2 (PF-112) PWB-A IC1A
2
PG2
C0F79
Step Check Item
Check 3rd Drawer Paper Empty
1 Sensor PC20. See p. T-2
(PF-112) PWB-A IC1A PC0.
Check Main Tray Paper Empty
Board PWB-E. See p. T-2
2
(PF-112) PWB-A IC1A PF3.
Check Shift Tray Paper Empty Sen-
sor PC1.
3
See p. T-2
(PF-112) PWB-A IC1A PD1
Result
YES Replace PF-112 PWB-A.
Check PWB-H, flat cable and
NO
PC34.
Result
YES Replace SL41.
Replace PF-112 PWB-A.
NO
YES Replace PF-112 PWB-A.
Check PWB-H, flat cable and
NO
PC25.
Result
YES Replace PF-112 PWB-A.
Check PC20.
NO
YES Replace PF-112 PWB-A.
Check PWB-H, flat cable and PWB-
NO
E.
YES Replace PF-112 PWB-A.
Check PWB-H, flat cable and PC1.
NO
T-56
Action
Action
Action