Hitachi PXR-D, Instruction Manual

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7-5 ● Details of Circulation Control
State where the key is
operative
Circulation
control name
Description
Eject ink
Used for maintenance task execution startup.
(This invokes ink ejection only. It does not turn on the
high-voltage supply.)
Cleaning stop
Performs the normal shutdown process (turns off the
high-voltage supply and stops the ink). This invokes
nozzle automatic cleaning as well.
No-cleaning stop
Performs the shutdown process at the time of
maintenance (turns off the high-voltage supply and
stops the ink). This does not invoke nozzle automatic
cleaning.
Ink refill
Used when charging the printer with the ink. When
this function is executed, the main ink tank ink level is
initialized. After completion of function execution, the
printer goes into the ink ejection state (standby).
Ink circulation
Used to bleed the circulation path of air and assure ink
uniformity within the flow path. Upon completion of
function execution, the printer goes into the ink
ejection state (standby).
Nozzle backwash
Sucks the makeup ink via the nozzle to clean the
nozzle. This cleaning operation must be performed
while the makeup ink is poured over the end of the
nozzle (orifice plate surface) from a cleaning bottle.
Gutter cleaning
Sucks the makeup ink the gutter to clean the recovery
path. This cleaning operation must be performed
while the makeup ink is poured over the end of the
gutter from a cleaning bottle.
Pressure relief
Provides pressure relief for the entire printer.
(Used at the time of maintenance.)
Makeup ink refill
Used to fill the cleaning path with the makeup ink at
the time of printer installation.
7.2 Details of Circulation Control
Stop
Ready or Standby
Ready or Standby
Stop
Standby
Process prior to
long-term
shutdown
Used for shutting down the printer for a long time.
Performs the ink drainage to cleaning of the circulation
system by one operation.
Stop
Process after
long-term
shutdown
Used for starting the printer after shutting it down for a
long time.
Performs the makeup ink drainage to ink refill within
the path by one operation.
After completion, the
printer goes into the ink ejection state (standby).
Stop
Stop
Stop
Ink replacement
Used for replacing the ink in the printer with new ink.
Performs the ink drainage and refill by one operation.
Stop
Ink filter
replacement
Used for replacing the ink filter. Performs the ink
drainage and refill by one operation.
Stop
Stop
Ink stream alignment
Used for adjusting the ink stream position.
Ejects the makeup ink from the nozzle.
Stop
Stop
Ink drainage
Used for draining the ink in the printer.
Stop
¡
While the "Main Ink Tank too Full" fault exists, no keys are operative. See
Section 8, If a Warning Condition/Fault Occurs , and eliminate the cause of
warning condition/fault and then resume operation.
¡
The keys are operative in differing situations. No keys are operative if they are
pressed under situations other than defined below.
Circulation
system
environment
setup
Used to choose ink density control.
Parts usage time
management
Used for managing operating time of the circulation
system parts.
Used to confirm consumption of ink and makeup ink.
Stop
All status