HP M4345 User Guide - Page 185

Symptom Check Possible causes Possible solutions Is the Fax feature configured correctly but you cannot send faxes? You must use the phone cord that came with the device. The phone cord might not be connected securely or the telephone line might not be working. You might have connected the device to a digital phone line instead of an analog phone line. The fax accessory requires an analog phone line. See Solve fax problems. 1. Always use the phone cord that came with the device. 2. Test the telephone line by connecting a telephone to it and making a call. 3. Make sure you are connecting the device to an analog phone line. Is the Fax feature configured correctly but you cannot receive faxes? A line splitter or surgeprotection device might be interfering with incoming faxes. An answering machine or voicemail system might be intercepting the incoming fax transmission. See Solve fax problems. 1. Do not use line splitters or surge-protection devices. 2. Disconnect the answering machine or voice-mail system. 3. Set the number of rings-toanswer for the fax accessory to a lower number. See Initial Setup menu. 4. Make sure the device is connected to an a dedicated analog phone line. Do not use a roll-over line. ENWW Problem-solving flowchart 173