SATO LT408 Operator's Manual page 79

ERROR SIGNAL TROUBLESHOOTING
This chapter identifies the printer's various LCD error signals and their relative audible alarms, as well as, their
probable causes and remedies for problem resolution.
ERROR DISPLAYS
LED
ERROR
CONDITION
POWER:
01
ONLINE:
Machine
LABEL:
Error
RIBBON:
POWER:
02
ONLINE:
Flash ROM
LABEL:
Error
RIBBON:
POWER:
03 ONLINE:
Parity Error LABEL:
RIBBON:
POWER:
04
ONLINE:
Overrun
LABEL:
Error
RIBBON:
POWER:
05
ONLINE:
Framing
LABEL:
Error
RIBBON:
06 POWER:
Buffer ONLINE:
Overflow LABEL:
Error RIBBON:
POWER:
07
ONLINE:
Head Open
LABEL:
Error
RIBBON:
POWER:
08
ONLINE:
Paper End
LABEL:
Error
RIBBON:
Lt408 Operator Manual
Unit 5: Troubleshooting
LCD DISPLAY
On
Off
Off
MACHINE ERROR
Off
On
Off
Off
FLASHROM ERROR
Off
On
Off
Off
PARITY ERROR
Off
On
Off
Off
OVERRUN ERROR
Off
On
Off
Off
FRAMING ERROR
Off
On
Off
Off
BUFFER OVER
Off
On
Off
Off
HEAD OPEN
Off
On
Off
On
PAPER END
Off
DESCRIPTION
1. Ensure all wiring harnesses are properly connected.
2. Replace main circuit board.
1. Ensure correct communication protocols.
2. Check cables, cycle printer power and resend.
3. Replace board.
1. Ensure correct communication parameters.
2. Check cables, cycle printer and resend.
3. Replace board.
1. Check and correct communication cables and settings.
1. Ensure host system and interface settings match.
2. Check and correct communication cables.
(null modem serial cable required)
1. Size of received data exceeds size of receiving buffer.
2. Establish the correct communication protocol.
1. Properly latch the print head.
2. Replace the head-open switch.
1. Ensure media is properly loaded.
2. Clean sensor transmit/receive surfaces.
3. Ensure correct sensor configuration.
5-2
PN: 9001152A