Hitachi PH Instruction Manual page 236

Place the end of the print head in a beaker.
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● Provide against an ink stream bend.
Press the Start/Continue key.
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● The screen shown below then opens, and the ink refill in the circulation path
starts.
● After a while, the ink ejects from the nozzle. Check the ink stream position.
Circulation control
Process : Ink filter replacement
Proc.time: Approx. 4 minutes
● To abort the sequence, press the Abort key, and follow the on-screen
instructions. After aborting, you are returned to the "Circulation control"
screen.
● When you have aborted the sequence, select the "Ink refill" from the
"Circulation control" screen and perform it.
* When aborting the operation, be sure to return the ink filter to its original
state.
● If the following message is output during ink refill, the system will
automatically stop.
"Failure was detected in level sensor, pump or solenoid valve.
When ready, press Start/Continue ."
Press Start/Continue key, select "Ink refill" on "Circulation control"
screen and execute refill. If the same message appears again, contact your
nearest local distributor..
The screen shown below opens on completion of the ink
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refill.
Circulation control
Process : Ink filter replacement
Operating guide
Change the direction of the ink filter so
that tube (D) is at the bottom of the
filter. Press [Start/Continue]..
Proc.time: Approx. 4 minutes
Status: Stop Com=0
Ink drainage
Filter rep.
Ink refill
Proc. status: In progress
Status: Stop Com=0
Ink drainage
Filter rep.
Ink refill
Proc. status: In progress
Abort
Start/
Continue
● Ink Filter Replacement 7-24