227Using a Computer ModemIf you want to use your computer modem for faxing or for a dial-up internet connection, connectthe computer modem directly to the back of your printer with the TAD as shown here in Figure 2.• Set your printer to Ans/Fax mode and set the Ring to Answer to a digit greater than therings to answer setting for the TAD.• Turn off the computer modem's fax-receive feature.• Do not use the computer modem if your printer is sending or receiving a fax.• To fax via the computer modem, follow the instructions provided with your computermodem and fax application.• You can capture images using your printer and Dell ScanDirect and send them using yourfax application with the computer modem.Fax Data Back-upThe Dell 2355dn Laser MFP has 4 MB (Approx. 200 pages at ITU-T #1 Chart) back-up memory.If there are no paper or no toner left during the fax receiving, the received fax data cannot beprinted. In this case, the machine automatically saves fax data in the back-up memory. But, if themachine fails to complete the receiving fax, the rest of the fax data will not be saved the memory.Figure 2Line Telephone Answering DeviceLine PhoneComputer Dell 2355dn Laser MFP
