Chapter 6 Troubleshooting
6-6
A warning to prevent settling of the white
ink cartridge is regularly displayed.
Shake the white ink cartridge to prevent the
ink components from settling.
It is time to replace spout rubber of the
eco-case (MBIS).
• Ink may leak from the eco-case. Replace
spout rubber.
The maintenance washing liquid car-
tridge is not set.
Wiper washing and pump tube washing
cannot be executed. (Auto maintenance
operation)
Set the maintenance washing liquid cartridge.
There is no remaining maintenance
washing liquid.
Wiper washing and pump tube washing
cannot be executed. (Auto maintenance
operation)
Replace with a new washing liquid cartridge.
The NCU sensor sensitivity is falling.
Replacement of the NCU is recommended.
Contact our service desk or your local distrib-
utor to call for service.
Because the nozzle check found nozzles
missing, printing was stopped.
Perform head cleaning ( P.2-19) and deal
with the nozzles clogging ( P.6-3).
Because an NCU-related error occurred
during nozzle check, printing was
stopped and the nozzle check function
was turned OFF.
• Take steps according to the explanation for
“ERROR 655 / NCU FLUSH POS”.
• Take steps according to the explanation for
“ERROR 654 / NCU CENTER POS”.
• Take steps according to the explanation for
“ERROR 656 / NCU SN ADJST”.
• Take steps according to the explanation for
“ERROR 652 / NCU NZK CHK (HW)”.
• Take steps according to the explanation for
“ERROR 653 /NCU NZK CHK (MARK)”.
The NCU unit is not connected.
The nozzle check function cannot be
used.
• Turn the main power OFF, wait a while, and
turn it ON again.
If the same error message appears, contact
our service desk or your local distributor to
call for service.
The NCU sensor sensitivity is too low to
correctly judge nozzle missing.
The nozzle check function cannot be
used.
• NCU replacement is necessary.
• Contact our service desk or your local dis-
tributor to call for service.
The NCU ink pad is full.
• It is necessary to replace the NCU ink pad.
• Contact our service desk or your local dis-
tributor to call for service.
Because an NCU-related error occurred
during nozzle check, printing was
stopped and the nozzle check function
was turned OFF.
• Contact our service desk or your local dis-
tributor to call for service.
Message Cause Solution
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