SATO CG4 Series - Page 80

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