Panasonic Panafax UF-744 User Manual page 138

Troubleshooting
Info.
Code
420 Machine goes to receiving mode, but receives no
command from the transmitting side.
422/427 Interface is incompatible.
430/434 Communication error occurred while receiving.
436/490 Received data has too many errors.
456 Unit received a confidential document or was
requested to be polled of a confidential document
under any of following conditions.
1) Memory does not have enough space to
receive the confidential document.
2) Confidential Mailbox file is full (10 files).
3) While printing received document.
Unit was requested to relay a document.
492/493 Communication error occurred while receiving.
494
495 Telephone line disconnected.
540/541 Communication error occurred while transmitting.
542
543/544
550 Telephone line disconnected.
552/553 Communication error occurred while receiving.
554/555
601 Document Return Guide was opened during ADF
transmission.
623 No document loaded on the ADF.
630 Redial was not successful due to a busy line or no
response from the called station.
631 During dialing, STOP was pressed.
634 Redial was not successful due to a busy line or no
response from the called station.
638 Power failure occurred during the communication. Check the power cord and plug.
870 Memory overflow
documents into memory for transmission.
879 Memory overflow
documents into memory.
Receiving documents with data that is greater than
the memory size.
975 DRAM parity error. The document information in
memory is lost.
134
Meaning
occurred while storing
occurred while receiving
Action
1. Remote side misdial.
2. Check with the other party.
Check with the other party.
Check with the other party.
Check with the other party.
1. Printout File List then check the contents.
2. Wait until unit finishes printing.
Check with the other party.
Check with the other party.
1. Reload the document and send again.
2. Check with the other party.
Check with the other party.
Check with the other party.
Close the Document Return Guide.
Reload the document and send again.
Reload the document and send again.
Reload the document and send again.
Reload the document and send again.
Transmit documents without storing into memory.
Order additional memory option.
1. Check recording paper and toner cartridge.
2. Install Optional Memory Card.
1. Unit will print out a Power Failure Report.
2. Resend the lost document.
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