Minolta magicolor 2300 Series Service Manual page 120

(3) Solenoid
Step
Does the output signal of the master board change from H to
1
L when the solenoid is turned on?
(4) Clutch
Step
Does the output signal of the master board change from H to
1
L when the clutch is activated?
Check
1 2
1
2
Check
4025T528AA
120
Result Remedy
Replace the master
NO
board.
Replace the sole-
YES
noid.
1
2
4025T522AA
Result Remedy
Replace the master
NO
board.
YES Replace the clutch.