Minolta Di 620 Manual page 284

C0996
Step
1 Check SL6 for operation.
Does the voltage across PJ7F-2 on PWB-F
and GND change from DC24V to DC0V
when 3rd Drawer Paper Descent Key UN9
is pressed?
C0997
Step
1 Load paper only in the Shift Tray and slide
the 3rd Drawer into the copier. Does M30
start turning at this time?
2 Does the voltage across PJ5F-2 on PWB-F
and GND change from LOW to HIGH when
step 1 is performed again?
3 Is PC52 fully operational? Make the input
port check using "I/O Check."
Check Item
Check Item
Result
YES Change SL6.
NO Change PWB-A or PWB-F.
Result
NO Check for overloads and then check step
3.
YES Check gears for overload and, if they are
okay, change M30 or PWB-H.
NO Change PWB-A or PWB-F.
YES Change PWB-A.
NO Change PC52 or PWB-H.
T-69
Action
Action