Minolta EP5000 General, Mechanical/Electrical page 355

Interleaf EP5000/EP4000 TROUBLESHOOTING
97.04.01
uC0950
Step Check Item
Does PC19 operate properly?
Using the IC Port Data Check function,
1
make an input port check on PWB-A
(200) (IC1A) PG3.
uC0900
Step Check Item
Does PC23 operate properly?
Using the IC Port Data Check function,
1
make an input port check on PWB-A
(200) (IC1A) PF3.
uC0904
Step Check Item
Slide out the 3rd Drawer and slide it
1 back into the copier. Does M24 turn at
this time?
Does the voltage across PF-205 PWB-
A PJ9A-8B and GND change from
2
DC0V to DC24V when the 3rd Drawer
is slid back into the copier?
Does the voltage across PF-205 PWB-
A PJ9A-5B and GND vary between
3
DC0V and DC5V while M24 is turning?
uC0954
Step Check Item
Slide out the 4th Drawer and slide it
1 back into the copier. Does M25 turn at
this time?
Does the voltage across PF-205 PWB-
A PJ9A-2A and GND change from
2
DC0V to DC24V when the 4th Drawer
is slid back into the copier?
Does the voltage across PF-205 PWB-
3 A PJ9A-4A and GND vary between
DC0V and DC5V while M25 is turning?
Result
YES Change PF-205 PWB-A.
Check the Paper Take-Up Roll for op-
eration. If it is operational, change
NO
PC19.
Result
YES Change PF–205 PWB-A.
Check the Paper Take-Up Roll for op-
eration. If it is operational, change
NO
PC23.
Result
Go to step 3.
NO
Change M24.
YES
Change PF-205 PWB-A.
NO
Change PF-205 PWB-A.
YES
Change PC27.
NO
Result
Go to step 3.
NO
Change M25.
YES
Change PF-205 PWB-A.
NO
Change PF-205 PWB-A.
YES
Change PC28.
NO
T-80
Action
Action
Action
Action