Citizen Systems CLP-6401 - Manual (Page 52)

4-6
Indication Description Corrective actions
RibonOut Ribbon end Check the contents and clear with the Stop
key.
Install the ribbon.
Check that the ribbon winds fully.
Correct the faulty setting of the print mode
(direct-thermal or thermal-transfer).
OverHeat PCB overheat Turn off the power and reset the printer. If
this recurs, contact our service personnel.
Fan stop Fan stop Check for the fan stop caused by the problems
such as foreign matter entered in the air vent.
Automatically returned if the fan turns again.
If disassembling is needed to remove foreign
matter or the problem can't be identified,
contact our service personnel.
OP Err Option board
abnormality Turn off the power and reset the printer. If
this recurs, contact our service personnel.
Cut Err Auto-cutter
abnormality (such as
poor engagement) Check the contents and clear with the Stop
key.
If this can't be cleared, turn off the power and
remove foreign matter from the auto-cutter.
If this recurs, contact our service personnel.
ROM Err ROM checksum error Turn off the power and reset the printer. If
this recurs, contact our service personnel.
RAM Err RAM checksum error Turn off the power and reset the printer. If
this recurs, contact our service personnel.
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System error (such as
timer or CPU
malfunction) First protect the system, then reset the printer.