HP OJ4650 Guida Utente

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Disconnect the answering machine and then try receiving a fax. If faxing is successful without the

answering machine, the answering machine might be causing the problem.

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Reconnect the answering machine and record your outgoing message again. Record a message

that is approximately 10 seconds in duration. Speak slowly and at a low volume when recording

your message. Leave at least 5 seconds of silence at the end of the voice message. There should

be no background noise when recording this silent time. Try to receive a fax again.

Some digital answering machines might not retain the recorded silence at the end of your

outgoing message. Play back your outgoing message to check.

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If the printer shares the same phone line with other types of phone equipment, such as an answering

machine, a computer dial-up modem, or a multi-port switch box, the fax signal level might be reduced.

The signal level can also be reduced if you use a splitter or connect extra cables to extend the length of

your phone. A reduced fax signal can cause problems during fax reception.
To find out if other equipment is causing a problem, disconnect everything except the printer from the

phone line, and then try to receive a fax. If you can receive faxes successfully without the other

equipment, one or more pieces of the other equipment is causing problems; try adding them back one

at a time and receiving a fax each time, until you identify which equipment is causing the problem.

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If you have a special ring pattern for your fax phone number (using a distinctive ring service through

your telephone company), make sure that the Distinctive Ring feature on the printer is set to match.

For more information, see 

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The printer might be dialing too fast or too soon. You might need to insert some pauses in the number

sequence. For example, if you need to access an outside line before dialing the phone number, insert

a pause following the access number. If your number is 95555555, and 9 accesses an outside line, you

might insert pauses as follows: 9-555-5555. To enter a pause in the fax number you are typing, touch

the * repeatedly, until a dash (-) appears on the display.
You can also send the fax using monitor dialing. This enables you to listen to the phone line as you dial.

You can set the pace of your dialing and respond to prompts as you dial. For more information, see 

.

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The number you entered when sending the fax is not in the proper format or the receiving fax machine

is having problems. To check this, try calling the fax number from a telephone and listen for fax tones. If

you cannot hear fax tones, the receiving fax machine might not be turned on or connected, or a voice

mail service could be interfering with the recipient's phone line. You can also ask the recipient to check

the receiving fax machine for any problems.

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When you have an answering machine on the same phone line you use for fax calls, try connecting the

answering machine directly to the printer, 

. If you do not

connect the answering machine as recommended, fax tones might be recorded on your answering

machine.

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Make sure the printer is set to receive faxes automatically and that the Rings to Answer setting is

correct. The number of rings to answer for the printer should be greater than the number of rings to

answer for the answering machine. If the answering machine and the printer are set to the same

number of rings to answer, both devices answer the call and fax tones are recorded on the answering

machine.

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Set your answering machine to a low number of rings and the printer to answer in the maximum number

of rings supported. (The maximum number of rings varies by country/region.) In this setup, the

ENWW

Fax issues

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