SATO CG412DT Service Manual page 77

5.2 TROUBLESHOOTING FLOWCHART (cont'd)
5.2.3 Print Problems
Category Symptoms
No printing
Print
(blank label)
CG4 Series Service Manual
cable connection
motion
No print
media loaded
Is connection
of head cable
Causes
NO
Is interface
interface cable
OK?
YES
NO
Is data input
OK?
YES
NO
Is board
connection
OK?
YES
Check Feeding
NO
Is data input
Re-entry data
OK?
YES
NO
Is correct
(DT/TT)?
YES
NO
OK?
YES
NO
Is board
connection
connection of
OK?
YES
Section 5: Troubleshooting
Remedy
Connect
Re-entry data
Check the
connection of
Main PCB
condition
Refer to 5.2.2
Feed Problem
Load correct
media
Turn off the
power and
connect print
head cable
Check the
Main PCB
Maintenance
Replace
Main PCB
Refer to 7.5 Main
Circuit Board
Replacement
Replace thermal
head
Refer to 7.1
Print Head
Replacement
Replace
Main PCB
Refer to 7.5 Main
Circuit Board
Replacement
Page 5-7