We have discovered a phenomenon that occurs when a phone is connected to the external device jack of the printers specified below. Depending on the usage environment, the printer may enter the fax reception mode during a phone call and the call will be terminated.
If your printer’s serial number is within the range shown below, and you have experienced this phenomenon, please install the appropriate firmware to correct this issue. If your printer’s serial number does not fall within the ranges indicated below, there is no need to install this firmware.
Click on your model to download the appropriate firmware and follow the instructions in the UpgradeProcedure.htm file. This file contains full details on how to upgrade your printer’s firmware.
For PIXMA MX300: AAUT00001 – AAUT67359
For PIXMA MX310: AAVH00001 – AAVH99999 and ABAW00001 – ABAW28715
For PIXMA MX700: AAXN00001 – AAXN96803