Ricoh MV310 Operator's Manual page 319

APPENDIX A: INSTALLATION
Connecting to the Phone Lines
cl Connect the phone line cord to the fax jack marked Line.(A)
Connect the other end of the line into the phone line jack (on the wall or
on a cable).
Connect the handset (option) or your own telephone to the jack marked
Tel (B).
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, Connect the other end of the line to the handset or telephone.
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