Manual HP OfficeJet Pro 7720 (page 142 of 176) (English)

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If the phone line is still noisy, contact your telephone company. For information on turning your DSL

modem o, 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 O , 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.

● If you have an answering machine on the same phone line with the printer, you might have one of the

following problems:

– Your answering machine might not be set up correctly with the printer.

– Your outgoing message might be too long or too loud to allow the printer to detect fax tones, and

the sending fax machine might disconnect.

– Your answering machine might not have enough quiet time after your outgoing message to allow

the printer to detect fax tones. This problem is most common with digital answering machines.

The following actions might help to solve these problems:

– 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.

– Make sure the printer is set to receive faxes automatically.

– Make sure the Rings to Answer setting is set to a greater number of rings than the answering

machine.

– 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.

– 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.

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

outgoing message. Play back your outgoing message to check.

● 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.

ENWW Fax issues 129

How do I reset the printer to its original ex factory settings? Can I step the firmware back to the original version when first delivered? Submitted on 27-10-2023 at 08:07
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I have pulled the entire paper tray out to put in the paper. I have put the necessary paper. How do I put the tray back,as the tray will not go back. How do I put the tray back? Submitted on 15-12-2021 at 22:16
Reply Report abuse
I have taken empty printing paper out. I have put it full of paper.How do I put the tray back? Submitted on 15-12-2021 at 22:10
Reply Report abuse

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Others manual(s) of HP OfficeJet Pro 7720

HP OfficeJet Pro 7720 User Manual - German - 192 pages

HP OfficeJet Pro 7720 User Manual - Dutch - 186 pages

HP OfficeJet Pro 7720 Quick start guide - All languages - 46 pages

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HP OfficeJet Pro 7720 Manual

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