There are two buttons on the front of the printer - the FEED button front centre and the POWER ON/OFF switch below the ERROR indicator triangle.
How to reset the SAM4S Giant 100 printer:
- Turn off the power using the POWER ON/OFF switch. 
- Hold down the feed button whilst powering back on. 
- This will reset the printer and print a test docket. 
How to change the paper roll for a SAM4S Giant 100 Thermal Printer:
- Open the printer cover by pressing the large button top right hand side. 
- Check for and remove any part rolls. 
- Insert the new thermal paper roll (80mm x 80mm) with the paper coming off the bottom of the roll. See below: 
SAM4S Giant 100 Printer Errors and How to Fix:
You will be alerted to any printer errors via printer buzzer sounding momentarily or continuously and the ERROR LED blinks when the printer indicates an Error status.
Paper Out Error:
- The buzzer and ERROR LED beeps and blinks as like: β Beep---,Beep---β 
- When you press the open button to open the printer cover, the buzzer will stop. 
- After this, you may change the paper roll and continue using the printer. 
Cutter Jam:
- If buzzer and ERROR LED beeps or blinks as like: βBeep Beep---, Beep Beep---" the printer is on Cutter Jam error status. 
- To fix a cutter jam, while the printer is turned on (the Power LED Is on,) press the cover button and open the cover. 
- At this time, the cutter will automatically reset. 
Cutter Not Home:
- If the cutter blade is not in home position when the normal waiting time, the printer enters Cutter Not Home error status. 
- The buzzer and ERROR LED beeps and blinks as like: "Beep Beep Beep----, Beep Beep Beep----" 
- To fix a cutter not home, while the printer is turned on (the Power LED Is on,) press the cover button and open the cover. 
- At this time, the cutter will automatically reset. 
Problems with Print Quality:
- Paper dust on the heating elements may lower the printing quality. In this case, clean the printer head as follows: 
- NOTES : Before cleaning the inside of printer or the head, make sure the power is off. 
- Power off the printer. 
- Open the printer cover. 
- Clean the thermal elements of the printer head using a cotton swab moistened with alcohol solvent (ethanol, methanol, IPA) 
- Insert a paper roll and close the printer cover. 




