HP Color LaserJet 2840 All-In-One Printer

Error Codes and Support

Error:

Comm. Error

Error Description:

A fax communication error occurred between the device and the sender or receiver.

Solution:

Allow the device to retry sending the fax. Unplug the device telephone cord from the wall, plug in a telephone, and try making a call. Plug the device phone cord into a jack for another phone line. Try a different phone cord. If the error persists, check the flat flexible cable between the LIU and the formatter. Reseat or replace the cable. See Removing the formatter and line interface unit (LIU). Update the firmware. See Updating or recovering the firmware code. If the error persists, replace the LIU. See Removing the formatter and line interface unit (LIU).


Call for Assistance 844-755-3000