The HP printer error 49 code can appear when you try to print a document with an HP printer. A communications failure between the printer and the machine, or related file errors, are the most common causes. Other factors that contribute to the impending error include invalid print instructions, corrupt data, and invalid operations. Electrical "noise" can corrupt data during transmission to the HP printer in some cases. Bad quality parallel cables and links are also factors.
HP Printer Error 49.4 c02 | HP Printer 49 Service Error | 49.00 ff Error HP Printer