Citizen Systems CLP-6401 - Manual (Page 56)

4-10
4.5 Print Troubleshooting
Problem Cause and remedy
Printing doesn't
start. ･ Power to the printer is off.
･ Printer is not properly
connected to computer.
･ Printer setting is not
correct.
® Turn the power switch to ON.
If power still doesn't turn on,
follow steps in Section 4.2
Power Troubleshooting.
® Turn the power switch to OFF and
connect it properly.
® Correct the printer setting.
Missing lines. ･ Print head connector
connection failure.
® If the print head connector is not
properly connected, insert it
correctly.
Dropouts. ･ Print head is dirty.
･ Platen is dirty.
® Check the print head
heat-generation body for dirt. If
it's dirty, wipe the surface of the
print head heat-generation body
with a soft cloth soaked in
ethylalcohol etc.
® Remove dirt or label or tape
scraps stuck to the platen.
Note: If those can't be removed,
contact our service personnel for
maintenance.
Print is too light or
dark. ･ Ink ribbon and paper are
not the recommended
type.
･ Paper quality doesn't
match the print head
offset.
･ Paper width doesn't
match the print head
pressure.
･ Printer setup mode is not
correct.
･ Setting of printing energy
level is not correct.
® Change to the recommended
type after checking the ink
ribbon and paper maker and
identification number.
® Adjust the offset. See Section
3.6 Print Head Offset
Adjustments.
® Adjust the print head pressure.
See Section 3.7 Print Head
Pressure Adjustments.
® Check whether the setting mode
is for direct-thermal or
thermal-transfer printing and if it is
not, change it as necessary.
® Check the setting value of printing
energy level and adjust it as
necessary.
Other printing
abnormalities ･ Check the error message on the control panel and correct it
according to the descriptions on Section 2) Errors and corrective
actions, 4.1 Error Messages.