SATO CG412DT Service Manual page 78

Section 5: Troubleshooting
5.2 TROUBLESHOOTING FLOWCHART (cont'd)
5.2.3 Print Problems (cont'd)
Category Symptoms
Print is very
Print
Print is very
print is lighter
than the other
Page 5-8
dark
light
setting OK?
One side of
roller in good
Causes
Set the Print
Refer to 6.7 Print
Is print
NO
Set the Print
darkness
Refer to 6.7 Print
YES
Is power
NO
connector
connection of
connection
power connector
OK?
YES
thermal head
NO
Is thermal
head
thermal head
clean?
YES
NO
Is platen
condition?
YES
Remedy
Maintenance
darkness
Darkness
Adjustment
darkness
Darkness
Adjustment
Check the
NO
Clean the
Replace thermal
Clean
Replace thermal
CG4 Series Service Manual
head
Refer to 7.1
Print Head
Replacement
Replace platen
roller
Refer to 7.2
Platen Roller
Replacement
head
Refer to 7.1
Print Head
Replacement