Is the extension phone setting disabled, Is the telephone cord securely connected, Is the phone cord connected properly – HP 3300mfp User Manual
Page 187: Is the answering machine or phone functioning, Incoming fax calls are not being answered, Is the answer mode set to manual, Is the rings-to-answer setting set correctly, Voice calls are not being received

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All of the numbers in a long fax number cannot be dialed 185
All of the numbers in a long fax number cannot be dialed
The maximum number of digits or characters that can be entered into a fax number is 50. Try
dialing the fax number in manual mode. See
.
Unable to start receiving faxes from an extension phone
Is the extension phone setting disabled?
See
for instructions about changing this setting.
Is the telephone cord securely connected?
Check that the telephone cord is securely connected between the phone and the product (or other
device connected to the product).
Press 1-2-3 in sequence, wait for three seconds, then hang up.
Voice calls are not being received by the phone or answering
machine connected to the line
Is the phone cord connected properly?
See “Connecting the product to a phone line” in the fax guide that came with the product to check
the installation. The product must be the first device connected to the phone line.
Are the answer mode and rings-to-answer settings set properly?
See
or
to determine which settings you need.
The rings-to-answer must be set higher than for the answering machine.
Is the answering machine or phone functioning?
Connect the phone or answering machine directly to the phone line and determine whether it
works by itself.
Incoming fax calls are not being answered
Is the answer mode set to manual?
If the answer mode is set to manual, the product never answers calls. You have to answer the
phone and start receiving the fax yourself. See
for more information.
Is the rings-to-answer setting set correctly?
Check the rings-to-answer setting for your configuration. See
or refer to
the fax guide that came with the product to determine which setting you need.