When I send or receive faxes through my HP Fax machine, my HP Fax machine shows HP Fax error 388. This error code takes place due to lack of communication between the gadgets. This issue occurs, the disruption on the line, or phone line connection on another gadget. I am attempting to find out the main causes of this error, but I don’t obtain the success to find out them. As per my technical knowledge, I am applying my skills to resolve this error code, but nothing is very useful. So anyone can provide the best methods to resolve HP Fax error 388 as soon as possible.