Circulation Control Contents - Hitachi UX Twin-Nozzle Technical Manual

6.1.2 Circulation control contents

● During generation of an "Main Ink Tank Too Full" fault, input from any of the keys is not accepted. Perform
operation after referring to par. "6.12 Draining ink from the main ink tank" and clearing the fault.
● The receivable states are different depending on the contents of circulation control. Note that operation cannot
be performed from states other than those shown in the table below.
Circulation control name
Eject ink
(Goes to Standby)
Cleaning stop
No-cleaning stop
Nozzle 1 backwash
Nozzle 2 backwash
Gutter cleaning
(Recovery-line cleaning)
Ink replacement
Ink filter replacement
Ink circulation
Process prior to
long-term shutdown
Process after
long-term shutdown
Makeup refill
Ink drainage
Ink refill
Pressure relief
Ink stream 1 adjustment
Ink stream 2 adjustment
Parts usage time
management
Circulation system
environment setup
All ink drainage
Reservior ink drainage
Reservior makeup
drainage
6-3 ●Circulation control contents
Used for startup at maintenance.
(Ink ejection only. The IJ printer does not enter the Ready
state.)
Normal shutdown processing. The nozzle is automatically
cleaned and the printer is stopped.
Shutdown processing used when stopping temporarily.
Automatic nozzle cleaning is not performed.
Makeup is sucked in from the nozzle and the nozzle is
cleaned. Perform this operation while pouring makeup from
the cleaning bottle onto the nozzle tip (orifice plate surface).
Makeup is sucked in from the gutter and cleaning of the
recovery-line is performed. Perform this operation while
pouring makeup from the cleaning bottle onto the end of the
gutter.
Used when replacing the ink inside the IJ printer with new
ink. This operation performs from ink drainage to refilling
consecutively.
Used when replacing the ink filter. This operation performs
from ink drainage to refilling consecutively.
Used when bleeding the air from inside the circulation line
and when making the ink inside the flow lines uniform. This
operation can be performed even while ink is being ejected.
At the end of this operation, the IJ printer enters the Eject ink
(standby) state.
Used before printer is shutdown for a long time.
Used when the printer is restarted after long-term shutdown.
Used to fill the cleaning path with the makeup at the time of
printer installation.
Used when draining the ink inside the ink drainage unit.
Used when refilling the IJ printer with ink. The amount of
ink in the main ink tank is set to the initial level. After
refilling, the IJ printer enters the Eject ink (standby) state.
Depressurizes the inside the entire circulation system.
(Used when performing maintenance work.)
Used when adjusting the ink stream position. Ejects makeup
from the nozzle.
Used when managing the usage time of the circulation
system parts. Used when checking the amount of ink and
makeup consumption.
Used when selecting ink concentration management.
Used when disposing of the ink cartridge, ink container, and
the main ink container and the ink inside the path.
Used when disposing of the ink cartridge and the ink
container ink.
Used when disposing of the makeup cartridge, makeup
container and main ink container and the ink inside the path.
Contents Receivable state
Stop
Ready or Standby
Ready or Standby
Stop
Stop
Stop
Stop
Standby
Stop
Stop
Stop
Stop
Stop
Stop
Stop
All status
Stop
Stop
Stop
Stop