SATO CG4 Series - Page 78

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