305
Troubleshooting
Error code
Error message Description Remedy
5440 [Machine Error]
The wiper of the maintenance
unit (on the white side)
malfunctions.
Check to see if the wiper is properly installed and
there is no obstacle around the wiper or wiper
cleaner.
If the problem still persists even after restarting the
printer, please contact your dealer.
5441 [Machine Error]
The wiper of the maintenance
unit (on the white side)
malfunctions.
Check to see if the wiper is properly installed and
there is no obstacle around the wiper or wiper
cleaner.
If the problem still persists even after restarting the
printer, please contact your dealer.
5442 [Machine Error]
The wiper of the maintenance
unit (on the white side)
malfunctions.
Check to see if the wiper is properly installed and
there is no obstacle around the wiper or wiper
cleaner.
If the problem still persists even after restarting the
printer, please contact your dealer.
5443 [Machine Error]
The wiper of the maintenance
unit (on the white side)
malfunctions.
Check to see if the wiper is properly installed and
there is no obstacle around the wiper or wiper
cleaner.
If the problem still persists even after restarting the
printer, please contact your dealer.
5450 [Machine Error]
It is an internal error of the
maintenance unit (on the
white side), which is
associated with updating of
firmware.
Check to see if there is any source near the printer
that produces a loud noise.
Restart the printer and update the firmware again.
If the problem still persists, please contact your
dealer.
5451 [Machine Error]
It is an internal error of the
maintenance unit (on the
white side), which is
associated with updating of
firmware.
Check to see if there is any source near the printer
that produces a loud noise.
Restart the printer and update the firmware again.
If the problem still persists, please contact your
dealer.
5452 [Machine Error]
It is an internal error of the
maintenance unit (on the
white side), which is
associated with updating of
firmware.
Check to see if there is any source near the printer
that produces a loud noise.
Restart the printer and update the firmware again.
If the problem still persists, please contact your
dealer.
5453 [Machine Error]
It is an internal error of the
maintenance unit (on the
white side), which is
associated with updating of
firmware.
Check to see if there is any source near the printer
that produces a loud noise.
Restart the printer and update the firmware again.
If the problem still persists, please contact your
dealer.
5454 [Machine Error]
It is the communication error
between the main board and
the maintenance unit (on the
white side), which is
associated with the updating
of firmware.
Check to see if there is any source near the printer
that produces a loud noise.
Restart the printer and update the firmware again.
If the problem still persists, please contact your
dealer.
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