Maintenance, Service and Fault Finding
EPT033612 Issue 2 March 2018
4-47
TROUBLESHOOTING GUIDE
Print Problems
When poor print quality occurs, check the following list to ensure that
settings/conditions are correct:
Setting/
Condition:
IM Printers
Setting/
Condition:
CM
Printers
Setting/Condition to Check
Is the printer in ‘Ready’ mode and able to print?
Is the print head clean?
Is the print base rubber clean and undamaged?
Is the print roller clean and undamaged?
Is the printer level in its frame?
Is the gap between the print head and substrate
about 0.2-2.0mm in pre-print position?
Is the print head gap even along its length
compared to the substrate?
Is the print head parallel to the print roller?
Is the print head set to ‘Top Dead Centre’ on the
print roller? Bear in mind the printer
may operate slightly better 1 – 2mm before or
after ‘TDC’
Is the print head set at the correct / optimum
angle?
Is the print head damaged?
Is the speed of the parent machine set too high?
Up to 30M/min is acceptable.
Is the speed of the parent machine set too low?
Above 3M/min is acceptable.
Is the ribbon correctly wound on the spindle?
Are the ribbon guide rollers clean, running freely
and unmarked?
Is the tension on the ribbon set correctly?
Is the ribbon of the correct specification for the
printer and substrate?
Is the substrate surface clean and suitable for
Thermal Transfer printing?
Содержание Compact CM
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