Service manual
SECTION 6: TROUBLESHOOTING
SATO D508/D512 Operator Manual Page 6-5
6.3 ERROR SIGNALS
The 7-segment LED display, Front Panel LED Indicators and Buzzer combine to provide a visual/
aural indication of the type of error encountered.
For information on error messages and icons, proceed to the next section.
Display
LED INDICATORS 
BUZZER  ERROR CONDITION  CORRECTIVE ACTION 
 LINE   ERROR 
0 ON  1 Beep  Flash Memory error Consult your SATO dealer
1  Not Assigned 
2 ON  1 Beep  Machine Error  Consult your SATO dealer
3 ON  1 Beep  EEPROM Error  Replace EEPROM 
4 ON  1 Beep  Electrical Head error  Replace Print Head or consult 
your SATO dealer
5 Blink  3 Beeps  Head Not Latched  Latch Print Head securely and 
make sure the Top Cover is 
closed properly
6 Blink  3 Beeps  Out of Paper  1) Replenish paper supply  
2) Route paper through sensor  
 correctly
7 Blink  3 Beeps  Sensor error  1) Adjust sensor level 
8 Blink  3 Beeps  Cutter error  Connect cutter (optional item) 
properly or consult your SATO 
dealer
8. ON  ON   Program Error  Resend data to the printer 
A  ON   1 Beep  Receive Buffer Over-
flow 
1) Restart the printer and retry
2) Modify host SW  
3) Select correct communication 
 protocol settings
b ON 1 Beep Parity error  
(Serial I/F only) 
Correct the Parity Settings or 
consult your SATO dealer
c ON 1 Beep  Framing Error  
(Serial I/F only) 
Check and correct the data bit 
setting and retry
d  ON 1 Beep  Overrun Error  
(Serial I/F only) 
Check and correct the flow con-
trol settings and retry
E  ON 1 Beep  LAN Time Out Error Check the Interface Card and all 
associated connections to/from 
it. Replace if necessary
F  3 Beeps Font/graphic Data 
Error (Serial I/F only) 
Recheck and correct the data 
stream and retry










