Panasonic UF790 Error Codes list and fixing solutions

Panasonic UF790 Error Codes list and fixing solutions

– Compatible Printer model: Panasonic UF790
– Panasonic UF790 Error Code List and description errors:

• Code: 001
• Description: Leading edge of the recording paper fails to reach the Timing Sensor. (1st Cassette)
• Causes: Recording paper jam. Timing Sensor abnormal.

• Code: 002
• Description: Leading edge of the recording paper fails to reach the Timing Sensor. (2nd Cassette)
• Causes: Recording paper jam. Timing Sensor abnormal.

• Code: 007
• Description: 1. Leading edge of the recording paper fails to reach the Paper Exit Sensor. 2. Recording paper has not completely passed the Paper Exit Sensor.
• Causes: Recording paper jam. Paper Exit Sensor abnormal.

• Code: 010
• Description: No recording paper.
• Causes: No recording paper or paper is not set properly. No Paper Sensor is defective.

• Code: 011
• Description: Paper Cassette is not installed properly.
• Causes:

• Code: 012
• Description: The length of the received document is over 2 meter (78.7in).
• Causes:

• Code: 021
• Description: Thermistor is abnormal. Fuser Control is abnormal. Fan is abnormal.
• Causes: Defective SC PCB. Defective Fuser Unit, Power Supply Unit. Defective Fan.

• Code: 030
• Description: Read Point Sensor does not go ON within 10 seconds after the document starts feeding.
• Causes: Document is not set properly. Defective Read Point Sensor.

• Code: 031
• Description: Transmitting document was longer than 2 meter (or 78.7 in).
• Causes: The document may jam. Defective Read Point Sensor.

• Code: 041
• Description: Out of toner.
• Causes: No toner. Defective Toner Sensor.

• Code: 043
• Description: Low toner.
• Causes: Toner is getting low. Defective Toner Sensor.

• Code: 045
• Description: No Toner Cartridge.
• Causes: Toner cartridge has not been installed. Defective Toner Sensor (Cartridge Sensor).

• Code: 051
• Description: Printer Motor abnormal.
• Causes: Connector not properly connected. Defective Printer Motor. Defective SC PCB.

• Code: 054
• Description: HSYNC abnormal. Motor abnormal.
• Causes: Defective Laser Unit.

• Code: 060
• Description: Printer Cover is open.
• Causes: Cover is not firmly closed. Connectors are not firmly connected.

• Code: 061
• Description: ADF Door is open.
• Causes: Door is not firmly closed. Connectors are not firmly connected.

• Code: 200
• Description: Decoding process is not completed at the end of phase C.
• Causes: Defective SC PCB.

• Code: 212
• Description: Interface error occurred between the CPU and modem.
• Causes: Modem is defective. (SC PCB) Software problem occurred. (SC PCB)

• Code: 301
• Description: System fault.
• Causes: Software problem occurred. (SC PCB)

• Code: 331
• Description: 8-minutes timer error. (Germany only)
• Causes:

• Code: 390
• Description: Interface error occurred between the machine and the PC.
• Causes: Firmware update error. GDI print error. (Perform the operation again)

• Code: 400
• Description: T1 timer (35±5 sec.) elapsed without detecting 300 bps signal.
• Causes: Wrong number is dialed and the START button is pushed. Telephone line is disconnected while dialing. SC PCB (Modem) or MJR PCB are defective. Receiver is defective. (It may only be transmitting CED)

• Code: 401
• Description: DCN was returned from receiver while transmitter is waiting for CFR or FTT.
• Causes: Your machine’s ID Number is not programmed. Possible incompatibility or incorrect Password.

• Code: 402
• Description: DCN was returned from receiver while transmitter is waiting for NSF/DIS.
• Causes: Receiver working in non-CCITT mode only. (Possible incompatibility)

– Panasonic UF790 Error codes and solution steps to fix:

• Code: 403
• Description: Transmitter had no polling function.
• Causes: ‘POLLED=ON’ (polling XMT ready) is not set at the transmitter. Document to be transmitted is not placed at the transmitter.

• Code: 404
• Description: Transmitter sent NSS (or DCS) followed by TCF three times, but the receiver did not respond. (CFR or FTT is usually returned)
• Causes: Receiver is defective. (Modem, MJR PCB, etc.) SC PCB or MJR PCB are defective. Receiver disconnects line during first NSS (or DCS) is transmitted.

• Code: 405
• Description: Transmitter received FTT after it transmitted TCF at 2400bps. Received RTN after communicating at 2400 bps.
• Causes: Line quality is poor. (TCF is damaged due to line noise) Receiver is defective. (Modem, etc.) SC PCB or MJR PCB are defective.

• Code: 406
• Description: XMT-Password mismatched. RCV-Password mismatched. Selective RCV incomplete.
• Causes: XMT, RCV password does not match. Last 4 digits of TSI does not match with the last 4 digits of ONE-TOUCH, ABBR telephone number.

• Code: 407
• Description: Transmitter received no response after it transmitted post message, such as EOP, MPS, EOM, etc…or received DCN.
• Causes: Receiver is defective. (No paper, paper jamming, etc.) Receiver ceased receiving because of excessive error. (Line quality is poor) SC PCB (Modem) or MJR PCB are defective.

• Code: 408
• Description: Transmitter received RTN after it transmitted EOP, MPS, or EOM.
• Causes: Receiver receives data with error. (Line quality is poor) Receiver is defective. (Modem, etc.) SC PCB or MJR PCB are defective.

• Code: 409
• Description: Transmitter receives PIN after it transmitted a post message, such as EOP, MPS, EOM, etc.
• Causes: Receiver receives data with error due to poor line quality, and receiving operator requests voice contact. Receiver is defective. (Modem, etc.) SC PCB or MJR PCB are defective.

• Code: 410
• Description: Received DCN while waiting for post command. (EOP, MPS, EOM, etc.)
• Causes: Interface or line is faulty. Transmitter is defective.

• Code: 411
• Description: Received DCN after transmitting NSC.
• Causes: Transmitter is not ready for polling communication. Password does not match between transmitter and receiver.

• Code: 412
• Description: No response within 12 seconds in NSS/DCS/MPS wait state. (After transmitting FTT)
• Causes: Transmitter is defective. SC PCB is defective.

• Code: 414
• Description: No response received after transmitting 3rd NSC.
• Causes: Password does not match between transmitter and receiver. Transmitter is defective. (No original, document jam, etc.)

• Code: 415
• Description: Remote side attempted to receive message from your machine in polling communication.
• Causes: Inform the remote side that your machine does not have the polling transmission feature.

• Code: 416
• Description: Receiver did not detect post command, such as EOP, MPS, EOM, etc.
• Causes: Transmitter is defective. Line quality is poor. (RTC signal is distorted due to line noise) SC PCB or MJR PCB are defective.

• Code: 417
• Description: Receiver returned RTN in response to post message.
• Causes: Line quality is poor. (There are excessive errors in received data) SC PCB or MJR PCB are defective.

• Code: 418
• Description: Receiver transmitted PIN in response to PRI-Q from transmitter. (Transmitting operator requests voice contact)
• Causes: Line quality is poor. (There are excessive errors in received data) SC PCB or MJR PCB are defective.

• Code: 420
• Description: T1 timer (35 sec.) elapsed without detecting 300 bps signal.
• Causes: There is wrong incoming call.(nonfacsimile communication) Transmitter is defective. SC PCB or MJR PCB are defective.

• Code: 421
• Description: Busy Tone is detected after sending NSF Signal.
• Causes: Remote station disconnected the line. Wrong number is dialed.

• Code: 422
• Description: Content of NSF (or DIS) or NSC (or DTC) was invalid.
• Causes: There is an incompatibility.

• Code: 427
• Description: DCN received to NSF/CSI/DIS transmitted
• Causes: The interface is incompatible.

• Code: 433
• Description: .T.30 Protocol abnormal.
• Causes: Defective remote station.

• Code: 434
• Description: CD (response from Modem) did not turn OFF within 180 sec. after receiver detected FLAG signal.
• Causes: Remote unit is defective. SC PCB or MJR PCB are defective.

• Code: 436
• Description: DCN received after transmitting FTT.
• Causes: Transmitter is defective or incompatible. Line quality is poor.

• Code: 456
• Description: Received relay transfer request or confidential document to distribute to an end receiving station or all confidential mailboxes are used.
• Causes:

• Code: 459
• Description: Failed training in Phase C.
• Causes: Line quality is poor. (Training signal is distorted due to line noise) SC PCB or MJR PCB are defective.

• Code: 490
• Description: Sum of error lines exceeded the limit (Function Parameter No. 70) of 64 lines.
• Causes: Line quality is poor. SC PCB or MJR PCB are defective.

• Code: 494
• Description: Interval between two EOLs was more than 10 sec. when receiver received message data.
• Causes: Transmitter is defective. Line quality is poor. (EOL is damaged due to line noise) SC PCB or MJR PCB are defective.

• Code: 495
• Description: During reception, CD turned OFF or continued ON for long time. During communication, lost loop – current.
• Causes: Line is disconnected. Transmitter is defective. SC PCB or MJR PCB are defective.

• Code: 496
• Description: CS of modem is not able to turn ON.
• Causes: SC PCB is defective.

• Code: 501
• Description: Remote unit does not have compatible Modem.
• Causes:

• Code: 502
• Description: During reception, CD turned OFF or continued ON for long time. During communication, lost loop – current.
• Causes: Line is disconnected. Transmitter is defective. SC PCB or MJR PCB are defective.

• Code: 503
• Description: CS of modem is not able to turn ON during training.
• Causes: SC PCB is defective. Line is disconnected.

• Code: 504
• Description: Polling is rejected from the remote station.
• Causes: No polling original is set.

• Code: 505
• Description: Polling XMT is rejected.
• Causes: No polling original is set.

• Code: 540
• Description: No response after transmitting 3rd CTC or DCN received.
• Causes: Incompatible interface.

• Code: 541
• Description: No response after transmitting 3rd EOR or received DCN.
• Causes: Line is faulty. MJR PCB abnormal.

• Code: 542
• Description: No response to the 3rd RR transmitted or received DCN.
• Causes: Remote unit is abnormal.

• Code: 543
• Description: T5 timer (60 sec.) elapsed without MCF.
• Causes: Remote unit is abnormal.

• Code: 544
• Description: Stopped Transmission after EOR Transmission.
• Causes: Line is faulty. MJR PCB abnormal.

• Code: 550
• Description: Timer between frames in phase C has elapsed.
• Causes: Defective remote station.

• Code: 554
• Description: Transmitted ERR after receiving EOR.
• Causes: Line is faulty.

• Code: 555
• Description: Transmitted PIN after receiving EOR.
• Causes: Line is faulty and Operator Call requested by RX side.

• Code: 570
• Description: Password or machine code did not match during remote diagnostic communication.
• Causes:

• Code: 571
• Description: Remote unit did not have the remote diagnostic function.
• Causes:

• Code: 580
• Description: Sub-address transmission to a unit that has their DIS bit 49 (NSF bit 155) OFF.
• Causes: Sub-address transmission to a unit that has no Sub-address function.

• Code: 581
• Description: Sub-address Password transmission to a unit that has their DIS bit 50 (NSF bit 156) OFF.
• Causes: Sub-address transmission to a unit that has no Sub-address function.

• Code: 601
• Description: ADF Door was opened during ADF transmission.
• Causes:

• Code: 623
• Description: No original was in the ADF. (Builtin dialer engaged)
• Causes: Operator removed the original from the ADF after dialing was completed. Original was not set properly in the ADF.

• Code: 630
• Description: Redial count over.
• Causes: No dial tone detected. Sensor dial tone is not detected. (destination dependent) Busy tone is detected. (destination dependent) T1 timer (35±5 sec.) elapsed without a signal from the receiver.

• Code: 631
• Description: ‘STOP’ button was pressed during Auto Dialing.
• Causes:

• Code: 634
• Description: Redial count over with no response or busy tone was not detected. Note: U.S.A. and Canadian models will redial only once if a busy tone is not detected.
• Causes: Telephone line cable is disconnected. Wrong number is dialed. SC or MJR PCB is abnormal.

• Code: 638
• Description: Power turned off with applicable data in memory or during communication.
• Causes: Power cord unplugged. Power failure occurred.

• Code: 800
• Description: The machine was requested to relay a document but has no Relay Hub capability.
• Causes:

• Code: 815
• Description: Mailbox is full.
• Causes:

• Code: 816
• Description: ‘The received Polling Password did not match. The machine does not have Confidential Comm. capability.’
• Causes:

• Code: 825
• Description: Parameter settings of the initial sending station are not properly set.
• Causes:

• Code: 870
• Description: Memory overflow occurred while storing documents into memory.
• Causes:

• Code: 880
• Description: File Access Error.
• Causes:

• Code: 884
• Description: File Access Error.
• Causes:

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