HP LaserJet M4345 Service Manual - Page 381

Symptom Fax problems Check Possible causes Possible solutions Is the Fax feature on the control panel inactive? You need to provide required settings before using the Fax feature. 1. At the control panel, touch Administration, touch Initial Setup, and touch Fax Setup. 2. Configure the settings for Location, Date/Time, and Fax Header. Is the Fax feature on the control The fax accessory might be panel completely missing? installed incorrectly. 1. Make sure the fax accessory is installed correctly and that none of the pins are bent. 2. Print a Configuration page and check the modem status. It should indicate "Operational/Enabled". If the modem status is anything else, the problem is with the fax accessory. 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. 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. You might have connected the 3. Make sure you are device to a digital phone line connecting the device to instead of an analog phone line. an analog phone line. The fax accessory requires an analog phone line. Is the Fax feature configured A line splitter or surge- 1. Do not use line splitters or correctly but you cannot receive protection device might be surge-protection devices. faxes? interfering with incoming faxes. 2. Disconnect the answering An answering machine or voice- machine or voice-mail mail system might be system. intercepting the incoming fax transmission. 3. Set the number of rings-to- answer for the fax accessory to a lower number. 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 363