Minolta EP5000 - Page 353

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