Minolta Di 620 Manual page 264

C0100
Step
1 Check the "I/O Check" screen to see if
PC16 is operational.
Manually turn the screw shaft to bring the
cleaner to its home position. Is the "Clean
(Charge)" input signal "1" when the PC Unit
is slid into the copier? Is the input signal
"0" when the PC Unit is slid into the copier
with the cleaner located at a position other
than home?
2 Does the cleaner holder move smoothly
when the screw shaft is turned manually?
3 Check M7 for operation.
Does the voltage across PJ10A-6A on
PWB-A and GND remain DC5V for approx.
1 sec. when the Power Switch is turned ON
and then change to DC0V?
C0110
Step
1 Check the "I/O Check" screen to see if
PC17 is operational.
Manually turn the screw shaft to bring the
cleaner to its home position. Is the "Clean
(Trance.)" input signal "1" when the Trans-
port Tray is slid into the copier and the M4
lock lever is raised? Is the input signal "0"
when the Transport Tray is slid into the
copier and the lock lever is raised with the
cleaner located at a position other than
home?
2 Does the cleaner holder move smoothly
when the screw shaft is turned manually?
3 Check M8 for operation.
Does the voltage across PJ3A-13A on
PWB-A and GND remain DC5V for approx.
1 sec. when the Power Switch is turned ON
and then change to DC0V?
Check Item
Check Item
Result
NO Check the PC16 actuator for operation
and, if it is okay, change PC16.
NO Check for burrs on the housing, a
deformed screw, and M7 gear.
YES Change PWB-P or M7.
NO Change PWB-A.
Result
NO Check the PC17 actuator for operation
and, if it is okay, change PC17.
NO Check for burrs on the housing, a
deformed screw, and M8 gear.
YES Change PWB-P or M8.
NO Change PWB-A.
T-49
Action
Action