Problem/Question
Printer stop working, unable to print label.
LED blinks continuously.
Applicable To
SA408, SA412, SA412E
Resolution/Answer
Refer to LED indications listed below to understand possible solutions to resolve the problems printer run into.
LED Indicators: Power and Ready LEDs blink at the same tempo
| Power LED | Ready LED |
| ON | ON |
| OFF | OFF |
| Possible Problems | Solutions | Remarks |
| Media sensor cannot index label gaps |
Check the label path Check the label sensor |
If a continuous label roll is in use, set “continuous media” printing in driver settings or commands. |
| Media out | Install a new label roll | |
| Paper jam | Recover the jam |
LED Indicators: Power and Ready LEDs blink alternately
| Power LED | Ready LED |
| ON | OFF |
| OFF | ON |
| Possible Problems | Solutions | Remarks |
| Ribbon out | Install a new ribbon roll |
Set “Direct Thermal” printing by driver or commands if no ribbon is required. |
LED Indicators: Only the Power LED blinks
| Power LED | Ready LED |
| ON | ON |
| OFF | ON |
| Possible Problems | Solutions | Remarks |
| Serial IO error | Check serial baud rate at both of your system and the printer. |
For serial interface only |
| Cutter has failed, or there is paper jam inside the cutter. |
Check the cutter or recover paper jam. Only applicable when cutter |
Only applicable when cutter mode to cutter mode. |
| Other possible hardware errors. |
Contact the reseller for further service. |
LED Indicators: Only the Ready LED blinks
| Power LED | Ready LED |
| ON | ON |
| ON | OFF |
| Possible Problems | Solutions |
| Print head needs to cool down |
Printing will stop until the print head cools to normal printing temperature. Once it completes, the printer will automatically resume the printing tasks sent previously. |
| Printer head module unlatched |
Close the printer module and then press firmly at both the left and the right of printer module to properly latch |
| Printer is in PAUSE status | Press FEED button to resume printing. |
| Printer is receiving data | As soon as all the data has been received, Ready LED will stay solid green and automatically resume normal operation. |
[03-80123-EN]