Minolta EP5000 General, Mechanical/Electrical page 353

Interleaf EP5000/EP4000 TROUBLESHOOTING
97.04.01
uC0910
Step Check Item
Does PC66 operate properly?
Using the IC Port Data Check function,
1
make an input port check on PWB-A
(IC3A) APB2.
uC0920
Step Check Item
Does PC65 operate properly?
Using the IC Port Data Check function,
1
make an input port check on PWB-A
(IC3A) APB1.
uC0914
Step Check Item
Slide out the 2nd Drawer and slide it
1 back into the copier. Does M14 turn at
this time?
Perform the "Controller Board Check."
2
Is malfunction code "C032E" dis-
played?
Does the voltage across PWB-C
PJ9C-4 and GND change from DC0V
3
to DC24V when the 2nd Drawer is slid
back into the copier?
Does the voltage across PWB-A
PJ23A-5 and GND vary between DC0V
4
and DC5V while M14 is turning?
uC0924
Step Check Item
Slide out the 1st Drawer and slide it
1 back into the copier. Does M13 turn at
this time?
Perform the "Controller Board Check."
Is malfunction code "C033O" dis-
2
played?
Does the voltage across PWB-C
PJ9C-2 and GND change from DC0V
3
to DC24V when the 1st Drawer is slid
back into the copier?
Does the voltage across PWB-A
4
PJ23A-7 and GND vary between DC0V
and DC5V while M13 is turning?
Result
YES Change PWB-A.
Check the Paper Take-Up Roll for op-
eration. If it is operational, change
NO
PC66.
Result
YES Change PWB-A.
Check the Paper Take-Up Roll for op-
eration. If it is operational, change
NO
PC65.
Result
Go to step 4.
YES
Change PWB-A.
YES
Replace PWB-A.
NO
Change M14.
YES
Change PWB-C.
NO
Change PWB-A.
YES
Change PC68.
NO
Result
Go to step 4.
YES
Change PWB-A.
YES
Change M13.
YES
Change PWB-C.
NO
Change PWB-A.
YES
Change PC67.
NO
T-78
Action
Action
Action
Action