Minolta EP3010 Manual page 305

C0990, C0991
Step
Does PC19 operate properly?
Using the IC Port Data Check func-
1
tion, make an input port check on
PWB-A (400) (IC1A) PG3.
C0992, C0993
Step
Does PC35 operate properly?
Using the IC Port Data Check func-
1
tion, make an input port check on
PWB-A (400) (IC2A) PB3.
Does PC2 operate properly?
Using the IC Port Data Check func-
2
tion, make an input port check on
PWB-A (400) (IC2A) PC1.
C0994
Step
Does M26 turn when the Paper
1
Descent Key is pressed?
When the Tray is slid in or the Paper
Descent Key is pressed, does the
2 voltage across PWB-A (PF-112)
PJ10A-1 or PJ10A-2 and GND
change from DC0V to DC24V?
While M26 is turning, does the volt-
age across PWB-A (PF-112) PJ9A-
3
5 and GND vary between DC0V
and DC5V?
Check Item
Check Item
Check Item
T-68
Result
YES Replace PWB-A (PF-112).
Check the operation of the Paper
NO Take-Up Roll. If it is okay, replace
PC19.
Result
YES Replace PWB-A (PF-112).
Replace PWB-H, flat cable or
NO
PC35.
YES Replace PWB-A (PF-112).
Replace PC2, PWB-H or flat cable.
NO
Result
Go to step 3
YES
YES Replace M26, PWB-H or flat cable.
Replace PWB-A (PF-112).
NO
YES Replace PWB-A (PF-112).
Check the pulse disk and gear.
NO
Replace PC5.
Action
Action
Action