Minolta EP1085 - Page 320

FrameMaker Ver.5.5(PC) EP1054/EP1085/EP2030 TROUBLESHOOTING
98.05.15
T-52
C0990, C0991
C0992, C0993
C0994
Step Check Item Result Action
1
Check 3rd Drawer Paper Lift-Up
Sensor PC19.
See p. T-2 (PF-112) PWB-A IC1A
PG3.
YES Replace PF-112 PWB-A.
NO
Check the Paper Pressure Releas-
ing mechanism and PC19.
Step Check Item Result Action
1
Check Lower Position Sensor
PC35.
See p. T-2. (PF-112) PWB-A IC2A
PB3
YES Replace PF-112 PWB-A.
NO
Check PC35.
2
Check Main Tray Lower Position
Sensor PC2. See p. T-2.
(PF-112) PWB-A IC2A PC1
YES Replace PF-112 PWB-A.
NO
Check PC2.
Step Check Item Result Action
1
Does M26 turn when the Paper
Descent key is pressed?
YES
Perform step 3.
2
Does the voltage across PJ10A-1
(down) on PF-112 PWB-A and
GND, and across PJ10A-2 (up) and
GND, change from DC0V to DC24V
when the Drawer is slid in or the
Paper Descent key is pressed?
YES
Replace M26 or check PWB-H and
flat cable.
NO
Replace PF-112 PWB-A.
3
Does the voltage across PJ9A-5 on
PF-112 PWB-A and GND change in
the range between DC0V and
DC5V while M26 is turning?
YES Replace PF-112 PWB-A.
NO
Check the pulse disk, Gear, and
Sensor.