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Chapter 2
2-12
T-2-7
The cleaning operation is executed at the following timing.
T-2-8
c) Ink supply function
The suction pumps in the purge unit are activated, together with ink supply valves, during initial filling and ink level adjustment to supply inks from the ink tanks
to the printhead.
2.3.2.5.2 Structure of Purge Unit
0012-6341
a) Caps
The caps cap the nozzle assembly in the left printhead during capping and cleaning. The part of the caps that comes into contact with the face plate of the nozzle
assembly is made of rubber. Two caps are in position to meet each of the printheads mounted on the carriage (six trains of nozzles).
Cleaning mode Name Cleaning operation
Cleaning 1 Normal cleaning Removes fixed inks caused by dried nozzles and viscous
ink matters adhering to their faces, paperdust and so on.
Cleaning 2 Cleaning on ink level adjustment Performs normal cleaning after suction for ink level adjustment in the head.
Cleaning 3 Cleaning on initial filling Performs normal cleaning after filling empty tubes with inks (at initial installation).
Cleaning 4 Ink drainage on head
replacement
Drains the head of head replacement (inks left in the head only).
Cleaning 5 Ink drainage on secondary
shipping
Drains the head and tubes of inks to prepare for secondary shipping.
Cleaning 6 Normal (high) cleaning Adjusts the rate of ink filling in the head and performs higher suction to clear clogged nozzles than does
normal cleaning.
Cleaning 7 Aging Performs maintenance jet following head replacement.
Cleaning 10 Ink filling on secondary shipping Perform normal cleaning after filling empty tubes with inks (at installation after secondary shipping).
Cleaning 15 Dot count suction Performs a suction operation to remove fixed inks caused by dried nozzles and viscous ink matters
adhering to their faces when a predetermined dot count is reached.
Cleaning 16 A gitation on settling Agitates the ink in an tank to keep it from settling (by opening and closing the ink supply valve),
Cleaning 17 Cleaning, low Performs lower suction to clear clogged nozzles than does normal cleaning.
Printer status Cleaning operation
Standby On each lapse of 168 minutes in a capped state Maintenance jet
168 hours or more elapsed, capped Cleaning 1
(Normal cleaning)
720 hours or more elapsed, capped Cleaning 6
(Normal (high) cleaning)
960 hours or more elapsed, capped Cleaning 2
(Ink level adjusting and cleaning)
Initial installation and 168 hours elapsed, capped, since the last session of
agitation on settling
(Cleaning 16)
Cleaning 16
(Agitation on settling)
Power on Initial installation Cleaning 3
(Cleaning on initial filling)
Powered on less than 72 hours after the abnormal termination of a print
operation (uncapped)
Cleaning 1
(Normal cleaning)
Powered on 72 or more hours after the abnormal termination of aprint
operation (uncapped)
Cleaning 6
(Normal (high) cleaning)
Powered on at initial installation and 168 hours elapsed, capped, since the
last session of agitation and settlement
(Cleaning 16)
Cleaning 16
(Agitation on sattling)
Powered on 720 hours or more after the successful completion of a print
operation (capped)
Cleaning 6
(Cleaning on ink level adjustment)
Powered off less than 960 hours after the successful completion of a print
operation (capped)
Cleaning 2
(Cleaning on ink level adjustment)
Powered off Powered off, uncapped Wiping + Maintenance jet + Idle suction + Capping
Before the start
of a print operation
Before the start of a print operation less than 168 hours elapsed, capped Maintenance jet
Before the start of a print operation 168 hours or more elapsed, capped Cleaning 1
(Normal cleaning)
Before the start of a print operation in the wake of an error occurrence Cleaning 1
(Normal cleaning)
Before the start of a remaining roll media volume pattern Temperature regulator on > Uncap > Stop and maintenance jet
> Temperature regulator off > Cap
Printing Between scans while printing Maintenance jet + Wiping
At the end of a print
operation
After the end of a print operation past a predetermined dot count Cleaning 15 (dot count suction) or Cleaning 6 (normal (high)
cleaning), depending on the count
On execution of the
menu action [Head
Cleaning]
Manual cleaning
(Head cleaning A)
Cleaning 1
(Normal cleaning)
Manual cleaning
(Head cleaning B)
Cleaning 6
(Normal (high) cleaning)
On execution of the
menu action [Replace
P.head]
On execution of Replace P.head from the menu Cleaning 4 (Ink drainage on head replacement)
After head replacement Cleaning 2 (Cleaning on ink level adjustment)
On execution of Move
Printer from the menu
After execution of Move Printer from the menu Cleaning 5 (Ink drainage on secondary Moving)
After Power-on at secondary installation Cleaning 10 (Ink filling after secondary shipment)