Panasonic UF-6300 Service Manual page 84

4.3.2. Information Codes: 401, 402, 422
401
START
Is the ID Number programmed
into your machine?
Is the Receiving unit set up for
Selective Receive?
Is the Receiving unit set up for
Password Reception?
Are you sending a Confidential
Mail?
Are you sending a document
by Relayed Transmission?
END
No
Yes
Program the ID Number.
Yes
No
Check the Selective Receive
settings at the receiving unit.
Yes
No
Program the Receive Password
to match the receiving unit.
(Fax Parameter No. 44)
Yes
No Check with the receiving end,
the mailboxes may be full.
Yes
No
Check the Relayed Transmission
settings at the Relay Station.
402, 422
START
Is Communication with the
reference unit successful?
Yes
Check the remote unit in question.
(Remote unit is defective)
END
84
No
Replace the SC PCB.