Panasonic Panafax UF-490 Plain Paper Laser Fax "503" Questions

Comm 503 What is the definition for comm code 503 on a Panafax UF-490? I have a list of comm codes for Panasonic fax machines but 503 is not on the list. That is "CS of modem is not able to turn ON ...

Fax not going through-Info code 503 coming up My UF-790 is running on a voip system. Was working fine (for a few weeks) until today. The fax is not going through. I'm getting a message on the display ...

Error code 503 When faxing to a company that receives directly to a "scanner" I get error code 503, which is not in the manual. I am assuming that it means the receiving fax "won't hook up" similar to

fax can not be send and received error codes: 400, 402, 404 420 502 503 544 634 638 press the monitor key...you should hear a dial-tone...if not try below. Check the phone line with a regular phone ...

...second fax machine at another location when I sent a fax via Satellite communication, I got error 503 for few customer - it seems I need to change ECM at the remote site .. any ...