Minolta Di 620 Manual page 286

C0998
Step
1 Is PC23 fully operational? Make the input
port check using "I/O Check."
2 Is PC22 fully operational? Make the input
port check using "I/O Check."
C099C
Step
1 Load paper only in the Shift Tray and slide
the 3rd Drawer into the copier. Does M29
start turning at this time?
2 Does the voltage across PJ5F-4/-5 on
PWB-F and GND change from DC0V to
DC24V when step 1 is performed again?
3 Check PC30 for operation.
Does the voltage across PJ4A-3 on PWB-A
and GND change between DC0V and
DC5V when step 1 is performed once
again?
Check Item
Check Item
Result
NO Check the PC23 actuator for operation
and, if it is okay, change PC23 or PWB-H.
YES Change PWB-A.
NO Check the PC22 actuator for operation
and, if it is okay, change PC22 or PWB-H.
Result
NO Check for overloads.
YES Check gears for overload and, if they are
okay, change M29 or PWB-H.
NO Change PWB-A or PWB-F.
YES Change PWB-A.
NO Check the PC30 pulse disk and, if it is
okay, change PC30 or PWB-H.
T-71
Action
Action