Using Xonxoff-flow Control With Pyserial

I am currently trying to interface with a somewhat old old model of a HP-printer which gives me two possible methods of flow-control: No flow control at all or software-based flow

Solution 1:

You forgot the xonxoff parameter. xonxoff=True

http://pyserial.readthedocs.io/en/latest/pyserial_api.html