Hitachi IJ UX, Service Manual

Page: 292 / 308

6-74
6.5.18 No ink suction from gutter.
No ink suction
from gutter
Yes
Yes
Yes
Execute the “Recovery line
operation check”. *1)
Is the problem
fixed?
Replace the recovery filter.
Is the problem
fixed?
Is the tube of recovery
line or exhaust line folded?
Or, is ink clogged?
No
Does MV3 operate?
Clean the gutter and gutter
base.
Yes
Repair the sticking of
MV3 or replace it.
Is the problem
fixed?
Replace the tube or clean
the tube.
Is the problem
fixed?
Yes
Yes
No
No
No
No
No
Yes
Resume the
operation
Is the problem
fixed?
Replace the recovery pump.
No
*1)
“Recovery line operation check”
This operation is the work for checking for ink clogging.
The operational procedure equals to operating in the sequence of Pump
→
MV3 on “Valve/Pump test”
*1)
Yes
Low volatilization system is disabled .
Is the problem
fixed?
No
Is the problem
fixed?
No
Refer to “4.20 Cleaning of
dedicated path for Low
volatilization system (UX-E
only)”.
Yes
Replace the Exhaust filter.
Is the problem
fixed?
No
Yes
Replace the PTFE filter F20-8.8
of. Mist collector
Is the problem
fixed?
No
Yes
Replace the print head
(UX-E only)