Minolta Di251 Service Manual page 341

C0999
Step
1 Lift-Up Sensor 2 operation check through I/O
check
2 Lift-Up Sensor 2 operation check: the voltage
across CN4A-9 on LCC Control Board and
GND is DC5 V when the sensor is blocked and
DC0 V when the sensor is unblocked.
3 LCC Lift-Up Motor operation check: LCC Lift-
Up Motor turns after the cassette has been slid
into the copier.
4 LCC Lift-Up Motor operation check: the voltage
across CN5A-2 on LCC Control Board and
GND changes from DC0 V to DC24 V while
step 3 is being performed.
C099D
Step
1 LCC Control Board and Master Board are con-
nected properly.
Check
Check
T-43
Result Action
YES Check step 3 and onward.
YES Change LCC Control
Board.
Change Control Board.
Change Master Board.
NO Check actuator.
Change Lift-Up Sensor 2.
YES Change Master Board.
YES Change LCC Lift-Up
Motor.
NO Change LCC Control
Board.
Change Control Board.
Change Master Board.
Result Action
YES Change LCC Control
Board.
Change Control Board.
Change Master Board.
NO Correct connection.