SATO CG412DT Service Manual page 80

Section 5: Troubleshooting
5.2 TROUBLESHOOTING FLOWCHART (cont'd)
5.2.4 Media Problem
Category Symptoms
Media
meandering
5.2.5 Keypad or Scanner Unit Problem (Optional)
Category Symptoms
Keypad or
scanner unit
Scanner
unit
(optional)
Page 5-10
Media
Keypad or
does not
turn on.
of Keypad and
Causes
NO
Is media
loading OK?
YES
NO
Is platen
roller clean?
YES
Causes
NO
Is the
connection
OK?
YES
Are
NO
the settings
Check interface
scanner
OK?
Refer to 4.5 Opera-
tion Setting Mode
YES
Remedy
Set media and
media guide
correctly
Clean
platen roller
Remedy
Check the
connection of
Keypad or
Scanner
connector.
setting
CG4 Series Service Manual
Maintenance
Replace platen
roller
Refer to 7.2
Platen Roller
Replacement
Maintenance
Replace Keypad
or Scanner.
Replace
Main PCB
Refer to 7.5 Main
Circuit Board
Replacement