JUKI 6100 Technical Manual page 83

c
Improper
operation
of
hammers.
Bad
printing.
YES
Replace
SCU
circuit board.
YES
YES
YES
Check Q9
on
SCU
circuit board.
YES
Replace
SCU
circuit
board.
Measure
hammer
coil resistance.
J14
pin
22
pin
20
NO
Check whether
daisy
wheel
has
been
installed
properly or
not.
Measure
coil
resistance on
carriage circuit board.
Check
wheter
daisy wheel
itself
has been
damaged
or not.
Replace
hammer
unit.
YES
Replace hammer
unit.
Replace FPC-C
cable.
-
80
-