Hitachi IJ UX Service Manual page 300

6.5.26 Solenoid unlock failure
Solenoid unlock
failure
Does the lever handle
touch solenoid-pin?
No
Is solenoid unlocked when
"Solenoid valve/pump test"
is conducted?
No
Does MV1 work
during "Solenoid
valve/pump test"?
No
Is CN22 connector on
EZJ126 board
disconnected or having
poor connection?
No
Is CN2 connector on
EZJ132 board
disconnected or having
poor connection?
No
Replace EZJ126 board.
Yes
Yes
Swap the two connectors of Ink
solenoid cable (13) and Makeup
Yes
solenoid cable (14) and then check
if the solenoids can be unlocked
during "Solenoid valve/pump
test". (*1)
No
Replace the solenoid which cannot
be unlocked in the first place.
Yes
Yes
No
6-82
Push the lever handle into backward.
Yes
Remove the connector once and
reconnect it.
Is solenoid unlocked
when "Solenoid
valve/pump test" is
conducted?
Yes
End
(*1) Should two connectors of ink/makeup
solenoid be swapped, restore them to their
original position.
End
Caution