Hitachi UX Twin Nozzle, Service Manual

Page: 343 / 355

6-101
6.5.18 No ink suction from gutter
Is the problem
fixed?
*1) Recovery route operation check:
This operation is the work for checking of the ink clogging in recovery route.
[Operation procedures]
(1) On “Solenoid v/p test” screen, press Pump1 “Operated” first, and then press “MV3” on <Nozzle1>.
Secondly press Pump2 “Operated”, and then press “MV23” on <Nozzle2>.
(2) Sprinkle makeup on the gutters, and check if the makeup is suctioned.
Yes
Yes
Yes
No
Yes
Yes
No
No
No
No
No
Yes
No
No ink suction
from gutter
Execute the “Recovery route
operation check”. *1)
Is the problem
fixed?
Replace the recovery filter 1(or 2)
Is the problem
fixed?
Is the tube of recovery
line or exhaust line folded?
Or, is ink clogged?
Does MV3 (nozzle1) and
MV23 (nozzle2) operate?
Clean the gutter and gutter
base.
Repair the ink fixing of
MV3 (nozzle1) and MV23
(nozzle2) replace it.
Is the problem
fixed?
Replace the tube or clean
the tube.
Yes
Resume the
operation
Is the problem
fixed?
Replace the recovery pump.
Repair the ink fixing in recovery pump1(or 2).
回収ポンプ１(または２)の固着修復を行う
Is the problem
fixed?
Yes