HP Color LaserJet Managed MFP M775 User Guide - Page 301

Problems with receiving faxes Problem Cause Solution Incoming fax calls are not being answered The rings-to-answer setting might not be Check the rings-to-answer setting. by the fax accessory (no fax detected). set correctly. The fax cable might not be connected correctly, or the fax cable is not working. Check the installation. Make sure you are using the fax cable that came with the product or with the fax accessory. The phone line might not be working. Disconnect the fax accessory from the phone jack, and then connect a phone. Try to make a phone call to ensure the phone line is working. If you are using a PBX system, the ring Check the ring-signal configuration on the signals might not be configured correctly. PBX system. A voice-messaging service might be interfering with incoming faxes. Do one of the following: ● Discontinue the messaging service. ● Use a phone line dedicated to fax calls. ● Decrease the rings-to-answer for the fax accessory to a number less than the rings-to-answer for the voice mail. Faxes are being received very slowly. You might be receiving a complex fax, such Complex faxes take longer to transmit. as one with many graphics. The sending fax machine might have a slow modem speed. The fax accessory only receives the fax at the fastest modem speed the sending fax machine can use. Wait for the fax transmission to complete. The resolution at which the fax was sent or is being received is very high. A higher resolution typically results in better quality, but also requires a longer transmission time. Ask the sender to decrease the resolution and resend the fax. If there is a poor phone-line connection, the fax accessory and the sending fax machine slow down the transmission to adjust for errors. Ask the sender to resend the fax. Ask the phone company to check the phone line. Faxes are not printing on the product. No paper is in the input tray. Load paper. Any faxes received while the input tray is empty are stored and will print after the tray has paper. The Fax Printing Schedule feature is in use. Faxes print according to the schedule. To print faxes immediately, disable the Fax Printing Schedule feature. The product is either low on toner or has run out of toner. If configured, the product stops printing as soon as it is low on toner or runs out of toner. Any faxes received are stored in memory and print after the toner has been replaced. ENWW Solve fax problems 287