Minolta EP5000 - Page 367

Interleaf EP5000/EP4000 TROUBLESHOOTING
97.04.01
T-92
uC0998, C0999
Step Check Item Result Action
Does PC4 operate properly?
Using the IC Port Data Check function,
YES
Change PF-105 PWB-A.
1
make an input port check on PWB-A
(400) (IC2A) PD1.
NO
Change PC4, PWB-H, or flat cable.
uC099A, C099b
Step Check Item Result Action
Does PC3 operate properly?
Using the IC Port Data Check function,
YES
Change PF-105 PWB-A.
1
make an input port check on PWB-A
(400) (IC2A) PC0.
NO
Change PC3, PWB-H, or flat cable.
uC099C
Step Check Item Result Action
1
Does M27 turn when the 3rd Drawer is
slid into the copier with a paper stack
loaded in the Shift Tray?
YES
Go to step 3.
In step 1, does the voltage across
YES
Change M27, PWB-H, or flat cable.
2
PF-105 PWB-A PJ4A-5B and GND
change from DC0V to DC24V?
NO
Change PF-105 PWB-A.
Does the voltage across PF-105 PWB- YES Change PF-105 PWB-A.
3
A PJ4A-3A and GND vary between
DC0V and DC5V while M27 is turning?
NO
Check the pulse disk and gear.
Change PC6.