For GT-300/SE-1200EB Series ECGs
This error usually occurs when the unit is on manual. Ensure the ECG machine is on auto mode.
Simply press the “mode” soft key towards the bottom left of the keyboard.
Cycle through by pressing the “mode” key until the auto configuration is set.
If continuous printing is still happening after configuring the machine to ‘auto’. Ensure the paper is placed and loaded into the ECG machine properly.