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Message
ERROR 650
NCU CONECT
ERROR 651
REPLACE NCU
ERROR 652
NCU NZK CHK (HW)
ERROR 653
NCU NZK CHK (MARK)
ERROR 654
NCU CENTER POS
ERROR 655
NCU FLUSH POS
ERROR 656
NCU SN ADJST
ERROR 658
NCU SENSOR LV LOW
ERROR 65b
NCU Sens Adj Err H
ERROR 65c
NCU Sens Adj Err L
ERROR 715
InkHeater Thr
ERROR 716
InkHeater Tmp
ERROR 717
InkHeater Brk
ERROR 71a
UV-DRV PCB fuse
ERROR 901
INVALID OPERATION
ERROR 902
DATA REMAIN
ERROR 90d
NO HEAD SELECT
Cause
The NCU unit is not connected. The noz-
zle check function cannot be used.
The NCU sensor sensitivity is too low to
correctly judge nozzle missing. The noz-
zle check function cannot be used.
The NCU cannot correctly recognize the
ink discharge, because there are fre-
quent nozzle missing and ink droplet
misalignment.
Adjustment of the discharge position to
the NCU has failed.
Sensor sensitivity adjustment has failed.
The NCU sensor sensitivity is falling.
The sensitivity of the sensor can not be
adjusted.
Ink heater thermistor broke down.
UV-DRV PCB fuse blown.
Due to a certain error, the function can-
not be performed.
Performed an operation that can not be
executed while receiving print data.
An error occurred in the mounted heads.
Chapter 6 Troubleshooting
Measures
• Turn off the power on the machine and turn it
on after a while.
When displaying again, contact your local
distributor, our sales office, or service center.
• NCU replacement is necessary.
Contact our service desk or your local dis-
tributor to call for service.
• Check the state of the nozzles, and if there
are frequent nozzle missing and ink droplet
misalignment, conduct cleaning to restore.
• Check the state of the nozzles, and if there
are frequent nozzle missing and ink droplet
misalignment, conduct cleaning to restore.
If the same error message still appears after
restoring the state of the nozzles, contact
your local distributor, our sales office, or
service center.
• Replacement of the NCU is recommended.
Contact your local distributor, our sales
office, or service center.
• Turn off the power on the machine and turn it
on after a while.
When displaying again, contact your local
distributor, our sales office, or service center.
• Execute the operation after closing the
cover.
• Execute after media is detected.
• Execute after solving the ink error.
• Execute after clearing the data.
• Turn off the power on the machine and turn it
on after a while.
When displaying again, contact your local
distributor, our sales office, or service center.
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