Clutches - NEC NEFAX 671 Service Manual

Step
Are the hookup connector of the motor and print jack
1 on the Controller/Mechanical Control Board con-
nected properly?
(5)

Clutches

Step
Does the output signal of the Controller/Mechanical
1 Control Board go from HIGH to LOW when the clutch
is energized?
Check
Check
T-4
Result Action
Replace the motor
or the Controller/
YES
Mechanical Control
Board.
Connect the con-
NO nector or the print
jack properly.
4025T527AA
Result Action
Replace the Con-
NO troller/Mechanical
Control Board.
YES Replace the clutch.
4025T528AA