Ricoh IJM C180F User Manual page 265

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If you are using either a private branch exchange (PBX) or an integrated services digital network (ISDN)
converter/terminal adapter, make sure the printer is connected to the correct port and the terminal
adapter is set to the correct switch type for your country/region, if possible.
•
If the printer shares the same phone line with a DSL service, the DSL modem might not be grounded
correctly. If the DSL modem is not grounded correctly, it can create noise on the phone line. Phone
lines with poor sound quality (noise) can cause faxing problems. You can check the sound quality of the
phone line by plugging a phone into the telephone wall jack and listening for static or other noise. If you
hear noise, turn off your DSL modem and completely remove power for at least 15 minutes. Turn the
DSL modem back on and listen to the dial tone again.
NOTE:
receiving faxes, repeat this process.
If the phone line is still noisy, contact your telephone company. For information on turning your DSL
modem off, contact your DSL provider for support.
•
If you are using a phone splitter, this can cause faxing problems. (A splitter is a two-cord connector that
plugs into a telephone wall jack.) Try removing the splitter and connecting the printer directly to the
telephone wall jack.
The printer cannot receive faxes, but can send faxes
• If you are not using a distinctive ring service, check to make sure that the Distinctive Ring feature on
the printer is set to All Standard Rings.
• If Auto Answer is set to Off, you need to receive faxes manually; otherwise, the printer cannot receive
the fax.
• If you have a voice mail service at the same phone number you use for fax calls, you must receive faxes
manually, not automatically. This means that you must be available to respond in person to incoming fax
calls.
• If you have a computer dial-up modem on the same phone line with the printer, check to make sure that
the software that came with your modem is not set to receive faxes automatically. Modems that are set
up to receive faxes automatically take over the phone line to receive all incoming faxes, which prevents
the printer from receiving fax calls.
EN
You might notice static on the phone line again in the future. If the printer stops sending and
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