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HP Printers and Fax Machines - Fax Error Codes and Solutions

This document is for HP multifunction printers with fax and HP fax machines.
If an error message or a numeric error code displays on the printer or in a fax log report, locate the error in the following tables for causes and solutions.
  note:
If the error occurs every time a fax is sent or received, go to Resolving Fax Issues for additional troubleshooting.
Numeric error codes when receiving faxes (200 - 292)
Review error codes that display when trying to receive a fax. An error code can have multiple causes and solutions.
Error Code
Definitions/Causes
Solutions
200
The fax session completed without errors.
No action required
221
The user pressed the Stop key, causing the fax session to be prematurely terminated.
Contact the remote caller and have the fax sent again.
222
The local machine answered a call, but is unable to detect the presence of a calling fax machine. Typically this is because the local fax machine answered a voice call.
Confirm that the remote caller is a fax machine and not a voice call.
The remote user canceled the fax transmission by pressing the Stop key immediately prior to, or just as the local machine answered the call.
If the remote machine ends the call just as the local machine starts reception, reduce the ring count on the local machine answering setting. As an alternative, suggest that the sender manually fax the document.
The receiving fax machine is an older silent fax machine. Try turning on Silent Detect in the Fax settings.
Confirm that the sender is not inadvertently attempting to poll the local machine for a document, instead of sending to the local machine.
The remote machine automatically ended the call immediately before, or just as the local machine answered the call.
Select a slower reception speed.
The remote (calling) fax machine determined that there was a feature incompatibility between the two machines. The remote machine disconnected immediately before sending any further fax tones or T.30 frames. This situation occurs rarely.
Reconfigure the local fax machine to use different configuration settings, enable or disable the ECM setting.
223 ECM
224
The local machine was unable to receive an entire page even after multiple attempts to receive the parts of the page that contain errors. This situation is usually due to extremely poor line conditions.
  • Try to receive the fax when telephone line conditions have improved.
  • Disable ECM. Errors could still occur, and might result in degraded image quality on the received page. However, the ability to receive the entire document improves.
  • Select a slower reception speed.
225
The remote machine attempted to initiate a remote diagnostic session with this machine even though remote diagnostic access is locally disabled.
Enable the remote diagnostics capability on the local machine, if available. Otherwise, ask the sender to remove the fax number from the diagnostic check.
226
The remote machine attempted to initiate a remote diagnostic session with this machine. However, the remote diagnostic versions that are supported by the two machines are incompatible.
Remote diagnostics cannot occur between machines with incompatible remote versions. Ask the sender to remove the fax number from the diagnostic check.
227
The remote machine attempted to initiate a fax session at a speed and modulation that the local machine does not support.
Ask the sender what speed the fax machine is using to send, and then reconfigure the local machine to receive at that speed, if possible. Otherwise, ask the sender to reconfigure the remote machine to send at a compatible speed.
228
The remote machine attempted to initiate a poll transmission from the local machine even though the local machine is not configured for poll transmission.
  • Confirm that the remote user wants to initiate a poll transmission. It is possible that the remote user inadvertently attempted to poll. If this is the case, ask the sender to retry a normal transmission from the remote machine.
  • If you want remote polling, confirm that you have correctly configured the local machine for poll transmission.
229
The remote machine attempted to initiate a secure poll transmission from the local machine but did not provided a valid password.
Confirm that the remote user has the correct password, and that the local machine is configured with the same password if this option is available.
230
The remote machine attempted to initiate an operation that requires error correction, but did not select error correction for the session.
Enable ECM on both the local machine and the remote machine.
231
The remote machine attempted to initiate a transmission to the local machine, but the receive capability was disabled at the local machine.
Make sure paper is loaded correctly, paper is not jammed within the machine, and any other system errors have been cleared.
232
233
234
235 ECM
236 ECM
237
A communication failure occurred between the two machines.
If the error persists, and error correction is in use for the fax session, disable ECM. Fax quality might be degraded.
The user at the remote machine might have pressed the Stop key.
Set the host machine to receive at a slower transmission speed.
The call waiting service can cause this error. The click, heard for an incoming call, is a momentary disconnect of the line. Do not use call waiting on a line with a fax machine.
Retry the fax reception when telephone line conditions have improved. Call the telephone provider if line conditions fail to improve. These errors can occur if the phone lines in the area to be faxed are old or there is noise (static on the phone line). Other reasons can include power brownouts and other power-related problems.
The power at the remote machine was interrupted, or deliberately turned off causing the fax session to be interrupted.
Retry the fax reception when telephone line conditions have improved. Call the telephone provider if line conditions fail to improve. These errors can occur if the phone lines in the area to be faxed are old or there is noise (static on the phone line). Other reasons can include power brownouts and other power-related problems.
Error Code
Definitions/Causes
Solutions
238
239 ECM
240 ECM
241 ECM
The sending fax machine sent an unexpected communication. This is usually a defect in the remote sending machine.
  • If ECM is enabled, then disable it.
  • Have the sender send from a different fax machine to see if the error clears.
242
The remote fax machine is attempting to receive instead of send. Both machines have attempted to start a reception at the same time. On many fax machines, it is possible to accidentally initiate a fax reception in the following cases:
  • There is no paper in the machine.
  • The paper is not correctly loaded and the document sensor cannot sense it.
Contact the sender to make sure a document is ready and correctly loaded in the sending fax machine. Also make sure the remote machine is attempting to initiate a transmission and not a reception.
243
244
The user of the remote machine pressed the Stop key, causing the session to be prematurely terminated.
  • Make sure the remote machine can accept and use polling.
  • Select a slower reception speed.
The remote fax machine determined that there was a feature incompatibility between the two machines and terminated the session. For example, the local machine wanted to initiate polling, but the remote machine did not support this mode of operation.
Reconfigure the local fax machine to use different configuration settings, enable or disable the ECM setting.
245 ECM
246 ECM
The user of the remote machine pressed the Stop key, causing the session to be prematurely terminated.
  • If the document is large, ask the remote user to re-send the document as two or more smaller documents.
  • Have the sender send at a lower resolution.
The call-waiting service can cause this error. The click, heard for an incoming call, is a momentary disconnect of the line.
Disable ECM, and then try to receive the fax again.
The local machine held the remote machine during reception of a large or complex document due to lack of available memory. This hold time exceeded the timeout (typically 60 seconds) used by the remote machine, and it terminated the session.
Disable ECM, and then try to receive the fax again.
247
248
249 ECM
250 ECM
251 ECM
The remote machine is locked.
  • Ask the remote machine user to reset the remote machine.
  • Set the local machine to receive at a lower transmission speed.
  • Turn both the sending and the receiving machine off for ten seconds, turn them on, and then try sending again.
  • If faxes are successfully sent to and received from other machines, but not this particular remote machine, then the issue is probably a problem with the remote machine.
252
Telephone line conditions were too poor to receive a fax.
  • Retry the fax reception when line conditions might have improved.
  • Configure the machine to start reception at a lower speed.
  • If the local machine received several pages of a larger document successfully, ask the remote user to send the document in several smaller parts.
253
The remote machine attempted to initiate a page transmission using a page width that is not supported by the local machine.
Ask the remote user to reconfigure the sending fax machine to send using a standard (letter or A4) page width.
281
282 ECM
283
284
285 ECM
286
290
The telephone connection was lost or disconnected.
  • Retry the transmission.
  • If the error persists, and error correction is in use for the fax session, disable ECM.
  • Set the host machine to receive at a slower transmission speed.
There was a communication error with the sending fax machine.
Retry the fax reception when telephone line conditions have improved. Call the telephone provider if line conditions fail to improve.
291
292
The received fax could not be stored.
  • Note the remote machine's number and any fax information. Turn the power off to the product for 10 seconds, then turn the power back on. Ask the remote machine user to resend the fax.
  • Ask the remote machine user to send at a lower resolution setting.
  • If it still fails, try receiving a fax from another machine.
  • If the local machine consistently gives this error code from different fax numbers, then the issue is probably hardware related and the machine should be replaced or serviced.
Numeric error codes when sending faxes (300 - 444)
Review error codes that display when trying to send a fax. An error code can have multiple causes and solutions.
Error Code
Definitions/Causes
Solutions
300
The fax session completed without errors.
No action required.
311
The user of the local machine pressed the Stop key, causing the session to be prematurely terminated before all pages have been sent.
Try sending the fax again.
312
A remote fax machine failed to answer the call. Specifically, fax tones or the fax handshake (connection) from the remote machine was not detected. This is usually caused by one of the following reasons:
  • The user called the wrong number.
  • The user called the correct number, but the machine was configured not to answer.
  • The remote machine temporarily disabled answering due to a condition such as lack of paper or a paper jam.
Confirm that the remote fax machine is ready to receive a document, and then try sending the fax again.
313
A busy signal was detected each time the local machine attempted to call the remote machine.
Retry the fax transmission when the line is no longer busy.
314
The local machine attempted to initiate a remote diagnostic session, but detected that remote diagnostics are disabled on the remote machine.
Enable remote diagnostics on the remote machine, if available.
315
The local machine attempted to initiate a remote diagnostic session, but detected that the remote diagnostic version supported by the remote machine is incompatible.
No solution is available. Remote diagnostics cannot occur between machines with incompatible remote versions.
316
The local machine is set to initiate document transmission, but detected that the remote machine is not able to receive a document. This error is very rare because normally a remote machine does not answer if it cannot receive a document. One of the few exceptions to this would occur if the remote machine was configured to poll transmit a document, but was unable to receive.
Configure the remote machine for reception. The remote user should make sure paper is loaded in the machine, paper jams are fixed, and any error messages are cleared.
317
The remote machine cannot support a fax reception at any speed or modulation that is supported by the local machine.
No solution is available because the two machines are incompatible.
318
The remote machine cannot support a fax reception at the page width selected by the local machine.
Reduce or enlarge the page size setting on the local machine to a size supported by the remote machine.
319
The local machine attempted to initiate a binary file transfer (BFT), but detected that the remote machine does not support this mode of operation.
  • Enable the BFT capability on the remote machine if supported.
  • Resend the document as a normal fax, rather than attempting a BFT transfer.
320
The local machine is set to initiate poll reception with a remote machine, but detected that the remote machine is not configured to do this. Poll transmission from a remote machine is typically configured with each fax session.
  • Confirm that the local user really wants to attempt a poll reception. If not, reconfigure the local machine for a normal fax transmission.
  • Configure the remote machine for poll transmission. The remote user must load a document to send before configuring the machine for polling.
321
322
323
324
There was a communication error with the receiving fax machine due to poor telephone line conditions.
  • Set the receiving machine to receive at a slower transmission speed.
  • If the session fails after sending several pages of a large document, resend the document as several smaller documents.
  • Retry the fax reception when telephone line conditions have improved. Call the telephone provider if line conditions fail to improve.
Error Code
Definitions/Causes
Solutions
325 ECM
326 ECM
327 ECM
328 ECM
Telephone line conditions were very poor.
  • Retry the fax reception when telephone line conditions have improved. Call the telephone provider if line conditions fail to improve.
  • Disable ECM. Errors might still occur, and might result in a degraded image quality on the received page. However, the ability to send the entire document improves.
329
330
331
The remote machine reported that one or more pages were received (non-ECM mode) with excessive errors. This error does not result in the session being terminated immediately. Subsequent page transmission can still occur and later pages can be received without error.
  • Retry the fax reception when telephone line conditions have improved. Call the telephone provider if line conditions fail to improve.
  • Enable ECM.
  • Select a lower speed for the initial transmission speed.
332
333
334
335
336
337
338 ECM
339 ECM
340 ECM
341 ECM
342 ECM
343
The remote fax machine might be defective.
  • Try to verify this by sending the same fax to other fax machines. If these transmissions are successful, then notify the user of the remote machine to make them aware of the issue.
  • If the fax fails when sending to other machines, turn it off for 10 seconds, turn back on, and then try sending again.
344
345
346
347
348
349 ECM
350 ECM
351 ECM
352 ECM
353 ECM
354
355
The remote machine failed to respond to a fax command from the local machine because the connection was interrupted. These errors can occur if the phone lines in the area to be faxed are old or there is noise (static on the phone line). Other reasons can include power outages and other power-related problems.
Retry the fax reception when telephone line conditions have improved. Call the telephone provider if line conditions fail to improve.
The call-waiting service can cause this error. The click, heard for an incoming call, is a momentary disconnect of the line.
Disable ECM. Errors might still occur and might result in a degraded image quality on the received page. However, the ability to send the entire document improves.
The remote user pressed the Stop key while the reception was in progress.
Try sending at a lower transmission speed.
Under rare conditions, incompatibility between the two machines might cause the remote machine to abandon the call.
Try sending at a lower transmission speed.
356
357
358
359
361
362 ECM
363 ECM
364 ECM
365 ECM
366 ECM
The remote user pressed the Stop key, causing the session to be terminated.
Configure the remote machine for document reception by clearing any paper jams, loading sufficient paper, and clearing any other error messages.
The remote machine encountered a system problem such as no paper or a paper jam. This prevented the fax from receiving any more pages, and caused it to terminate the session prematurely.
Configure the local fax machine to use a slower reception speed.
The call-waiting service can cause this error. The click, heard for an incoming call, is a momentary disconnect of the line.
Enable or disable the ECM setting.
The remote machine encountered an incompatible feature causing it to terminate the session.
Enable or disable the ECM setting.
Error Code
Definitions/Causes
Solutions
367
368
369
370
371
372
373 ECM
374 ECM
375 ECM
376 ECM
377 ECM
378
379
The remote machine appears to be locked.
  • Ask the user of the remote machine to turn it off for 10 seconds, and then turn it back on. Retry the transmission.
  • Send to another fax machine to make sure the issue is with the one specific remote machine.
380 ECM
The remote machine failed to issue a valid response to a CTC frame. This occurs during ECM transmission after trying repeatedly to send a fax.
  • Disable ECM, and then try faxing again.
  • There might be no solution because the remote machine could be defective.
381 ECM
The remote machine failed to respond to a fax command from the local machine because the connection was interrupted.
Retry the fax reception when telephone line conditions have improved. Call the telephone provider if line conditions fail to improve.
The remote user pressed the Stop key while the reception was in progress.
Disable ECM, and then try faxing again.
382 ECM
The remote fax machine held the local fax machine from continuing the ongoing transmission because of a temporary low memory condition at the remote machine. If this holding period exceeds a machine’s specific timeout value, the session is terminated.
  • Resend at a lower resolution.
  • Resend the document as two or more separate fax transmissions. Wait several minutes between the end of one transmission and the start of the next transmission.
383 ECM
Disable ECM, and then try faxing again.
The remote machine failed to respond to a fax command from the local machine because the connection was interrupted.
The remote user pressed the Stop key while the reception was in progress.
Retry the fax reception when telephone line conditions have improved. Call the telephone provider if line conditions fail to improve
384
The local machine attempted a black JPEG transmission to a machine that does not support this mode.
Try to send the fax using a different mode.
Error Code
Definitions/Causes
Solutions
386
387
388
389
390
391
392
393
394
395
There is too much noise on the line for a valid connection between two fax machines to complete. The noise problem might go away over time.
Retry the fax reception when telephone line conditions have improved. Call the telephone provider if line conditions fail to improve.
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
During a V.34 transmission, the local machine is unable to connect (handshake) with the remote machine and is consequently unable to send a T30 frame. This occurs when the line is disconnected or if line conditions degrade during the session.
  • Remove any pass-through devices from the phone line, and then try the fax again.
  • Confirm that the fax/phone cable is no longer than required, and that it does not pass near unshielded electric motors such as fans, heaters, or household appliances.
  • Try to send the fax when telephone line conditions have improved.
Error Code
Definitions/Causes
Solutions
420
421
A handshaking (connection) error occurred at some point in the process from the sending fax machine.
  • Try the fax when telephone line conditions have improved.
  • In some cases this error can occur if the other fax machine is using a fax format incompatible with the HP fax.
422
423
A handshaking (connection) error occurred at some point in the process from the receiving fax machine.
  • Try the fax when telephone line conditions have improved.
  • This error can occur if the other fax machine is using a fax format incompatible with the HP fax product (usually during color faxing).
430
The sending fax is unable to send continuous tones after sending the control data and before sending the fax data to the receiving fax. This error might be associated with bad line conditions or might indicate a problem with the fax's modem.
  • Try the fax when telephone line conditions have improved.
  • Have the telephone company check the line.
431
The sending fax machine did not receive a response after terminating a transmission. This might occur naturally depending on when the fax session is terminated.
  • If the fax was intentionally terminated, no action is required.
  • Try the fax when telephone line conditions have improved.
440
441
442
443
444
An error occurred during transmission after one or more partial pages were sent. The sending machine was unable to restart the control channel connection (handshake) before sending more data. This error typically occurs when the receiving fax disconnects after receiving part of a page. It can also be caused if the receiving fax is using a fax format incompatible with the HP fax (usually during color faxing).
Try the fax when telephone line conditions have improved.
Alert and error messages
Review error messages and alerts that display on the printer when trying to fax. An error can have multiple solutions.
  note:
Messages display temporarily and might require you to press OK to resume the fax job or press Cancel to cancel the job. The fax job might not complete or the printed fax quality might be unsatisfactory.
Control panel message
Definitions/Causes
Solutions
Comm. error
A fax communication error occurred between the product and the sender or receiver.
Allow the product to retry sending the fax.
Make sure that the phone is working by disconnecting the product, plugging in a telephone to the phone line, and making a voice call.
Plug the product phone cord into a jack for another phone line, and try sending the fax again.
Try a different phone cord.
Fax delayed
Send memory full
Fax memory is full.
Press the Cancel button, and then resend the fax. You might need to send the fax in multiple sections if the error occurs again.
Fax is busy
Canceled send
The fax line to which you were sending a fax was busy. The product has canceled sending the fax.
Call the recipient to ensure that the fax machine is on and ready.
Check that you are dialing the correct fax number.
Check that the Redial if busy option is enabled.
Check for a dial tone on the phone line by pressing the Send Fax button.
Make sure that the phone is working by disconnecting the product, plugging in a telephone to the phone line, and making a voice call.
Plug the product phone cord into a jack for another phone line, and then try sending the fax again.
Try a different phone cord.
Fax is busy
Redial pending
The fax line to which you were sending a fax was busy. The product automatically redials the busy number.
Allow the product to retry sending the fax.
Call the recipient to ensure that the fax machine is on and ready.
Check that you are dialing the correct fax number.
Check for a dial tone on the phone line by pressing the Send Fax button.
Make sure that the phone is working by disconnecting the product, plugging in a telephone to the phone line, and making a voice call.
Plug the product phone cord into a jack for another phone line, and try sending the fax again.
Try a different phone cord.
Fax memory full
Canceling recv.
During the fax transmission, the product ran out of memory. Only the pages that fit into memory will be printed.
Print all of the faxes, and then have the sender resend the fax. Have the sender divide the fax job into multiple jobs before resending. Cancel all fax jobs or clear the faxes from memory.
Fax memory full
Canceling send
During the fax job, the memory filled. All pages of the fax have to be in memory for a fax job to work correctly. Only the pages that fit into memory were sent.
Print all received faxes or wait until all pending faxes are sent.
Ask the sender to send the fax again.
Cancel all fax jobs or clear the faxes from memory.
Fax recv. error
An error occurred while trying to receive a fax.
Ask the sender to resend the fax.
Try faxing back to the sender or another fax machine.
Check for a dial tone on the phone line by pressing the Send Fax button.
Check that the telephone cord is securely connected by unplugging and reconnecting the cord.
Make sure that you are using the telephone cord that came with the product.
Make sure that the phone is working by disconnecting the product, plugging in a telephone to the phone line, and making a voice call.
Decrease the fax speed. Ask the sender to resend the fax.
Turn off error correction mode. Ask the sender to resend the fax.
Connect the product to a different phone line.
Fax Send error
An error occurred while trying to send a fax.
Try resending the fax.
Try faxing to another fax number.
Check for a dial tone on the phone line by pressing the Send Fax button.
Check that the telephone cord is securely connected by unplugging and reconnecting the cord.
Make sure that you are using the telephone cord that came with the product.
Make sure that the phone is working by disconnecting the product, plugging in a telephone to the phone line, and making a voice call.
Connect the product to a different phone line.
Set the fax resolution to Standard instead of the default of Fine.
Invalid entry
Invalid data or response.
Correct the entry.
No dial tone
The product could not detect a dial tone.
Check for a dial tone on the phone line by pressing the Send Fax button.
Disconnect the telephone cord from both the product and the wall, and then reconnect the cord.
Make sure that you are using the telephone cord that came with the product.
Unplug the product telephone cord from the wall, plug in a telephone, and try making a voice call.
Make sure that the phone cord from the wall telephone jack is plugged into the 1-Line port on the printer.
Plug the product phone cord into a jack for another phone line.
No document sent
The product did not scan any pages, or it did not receive any pages from the computer to transmit a fax.
Try sending the fax again.
No fax answer.
Canceled send
Attempts to redial a fax number failed, or the Redial-no answer option was turned off.
Call the recipient to ensure that the fax machine is on and ready.
Check that you are dialing the correct fax number.
Check that the redial option is enabled.
Disconnect the telephone cord from both the product and the wall, and then reconnect the cord.
Unplug the product telephone cord from the wall, plug in a telephone, and try making a voice call.
Make sure that the phone cord from the wall telephone jack is plugged into the 1-Line port on the printer.
Plug the product phone cord into a jack for another phone line.
No fax answer.
Redial pending
The receiving fax line did not answer. The product attempts to redial after a few minutes.
Allow the product to retry sending the fax.
Call the recipient to ensure that the fax machine is on and ready.
Check that you are dialing the correct fax number.
If the product continues to redial, unplug the product telephone cord from the wall, plug in a telephone, and try making a voice call.
Make sure that the phone cord from the wall telephone jack is plugged into the 1-Line port on the printer.
Plug the product phone cord into a jack for another phone line.
Try a different phone cord.
No fax detected
The product answered the incoming call but did not detect that a fax machine was calling.
Allow the product to retry receiving the fax.
Try a different phone cord.
Plug the product phone cord into a jack for another phone line.
12-digit fax log diagnostic codes (Example: 021402030000)
Fax log reports for some printers include a diagnostic code to help identify fax sending and receiving problems. Fax logs can be printed from the Fax, Setup, or Reports menus on the printer control panel.
Each digit in the code represents a status, setting, or event. For example, 021402030000 indicates the following items.
  note:
If a 0 is in the code but a meaning is not listed, the digit position is not being used and the 0 is a place holder.
1st digit = 0 - Always set to 0
2nd digit = 2 - Disconnect was received from remote (sender) site to end fax.
3rd digit = 1 - The operation was a fax receive.
4th digit = 4 - Error Correction Mode (ECM) was used.
5th digit = 0 - Not used since this was a receive operation and not a send.
6th digit = 2 - Standard Resolution/MMR coding was used.
7th digit = 0 - 0 m/s methodology was used.
8th digit = 3 - Communication was at 9600 bps.
If an error occurred when faxing, a 15-digit code such as 001000000000403 displays. Continue to 15-digit fax communication error codes.
Read the following table for the meaning of each digit in the diagnostic code.
Diagnostic code digit definitions
1st digit
Always set to "0".
2nd digit
Session End. Different ways a fax session may have completed.
[1] = STOP was pressed.
[2] = DCN was received from the remote site (DCN = disconnect).
[4] = MEMORY was full and the session may terminate.
[8] = OPERATOR ALERT requested.
3rd digit
Operation. The type of fax session that occurred.
[1] = RECEIVE from a remote transmitter
[2] = TRANSMIT to a remote receiver
[4] = POLLED receive, system became a transmitter
[8] = POLLING transmit, system became a receiver
4th digit
Training. Different options that have been requested or were set during training.
[1] = ID was received successfully (Transmitting Subscriber Identification TSI or Caller Subscriber Identification CSI)
[2] = RETRAIN/FALLBACK was requested
[4] = ECM (Error Correction Mode) was selected
[5] = ECM not selected
5th digit
Send Operations. Different types of send operations that were selected by the user.
[1] = DELAYED operation
[2] = BROADCAST operation
[4] = SPEED DIAL was used to select the dialing number
[8] = ADF (Automatic Document Feeder) was in use, document was not sent from memory
6th digit
Protocol. Denotes the various resolution and coding methods used.
[0] = Standard resolution/MH coding (MH = modified Huffman)
[1] = Standard resolution/MR coding (MR = modified Read)
[2] = Standard resolution/MMR coding (MMR = modified Read)
[4] = Fine resolution/MH coding (MH = modified Huffman)
[5] = Fine resolution/MR coding (MR = modified Read)
[6] = Fine resolution/MMR coding (MMR = modified Read)
[8] = 300 DPI/MH coding (MH = modified Huffman)
[9] = 300 DPI/MR coding (MR = modified Read)
[A] = 300 DPI/MMR coding (MMR = modified Read)
7th digit
Session Methodology. Session speed/type of data used for transmission and reception
[0] = 0 ms/line
[1] = 5 ms/line
[2] = 10 ms/line
[4] = 20 ms/line
[7] = 40 ms/line
[8] = 0 ms/line (Halftone)
[9] = 5 ms/line (Halftone)
[A] = 10 ms/line (Halftone)
[C] = 20 ms/line (Halftone)
[F] = 40 ms/line (Halftone)
8th digit
Modem baud rate speed used.
[0] = 2400 bps
[1] = 4800 bps
[2] = 7200 bps
[3] = 9600 bps
[4] = 12000 bps
[5] = 14400 bps
9th digit
Always set to "0".
10th digit
Miscellaneous
[1] = This journal entry needs to be printed
[2] = Remote Diagnostics
[4] = PC send
11th digit
(send only) Used to identify errors in the transmission of a fax to a remote receiver.
[0] = NULL XMT (XMT = transmit)
[1] = MPS XMT (MPS = Multi-Page Signal)
[2] = EOP XMT (EOP = End of Procedure)
[3] = EOM XMT (EOM = end of message)
[4] = NULL XMT/RR REC
[5] = MPS XMT/RR REC
[6] = EOP XMT/RR REC
[7] = EOM XMT/RR REC
[8] = NULL XMT/CTC REC
[9] = MPS XMT/CTC REC
[A] = EOP XMT/CTC REC
[B] = EOM XMT/CTC REC
12th digit
(send only) Used to identify errors in the transmission of a fax to a remote receiver.
[1] = PRI (PRI = Procedure Interrupt)
[2] = PPS (PPS = Partial Page Signal)
[3] = PPS-PRI
[4] = EOR (EOR = End of Retransmission)
[5] = EOR-PRI
[8] = RTN received (RTN = Retrain Negative - indicated line noise, subsequent)
[9] = PRI/RTN received (pages should be sent at a lower baud rate)
15-digit fax log communication error codes (Example: 001000000000403)
Fax log reports for some printers include a 15-digit communication error code to help identify fax sending and receiving problems. Fax logs can be printed from the Fax, Setup, or Reports menus on the printer control panel.
The first 12 digits are a diagnostic code representing a status, setting, or event for the fax job. If a communication error occurred, a three-digit error code is added in positions 13 through 15 of the code. For example, the code 021402030000403 indicates the following items.
  note:
If a 0 is in the code but a meaning is not listed, the digit position is not being used and the 0 is a place holder.
1st digit = 0 - Always set to 0
2nd digit = 2 - Disconnect was received from remote (sender) site to end fax.
3rd digit = 1 - The operation was a fax receive.
4th digit = 4 - Error Correction Mode (ECM) was used.
5th digit = 0 - Not used since this was a receive operation and not a send.
6th digit = 2 - Standard Resolution/MMR coding was used.
7th digit = 0 - 0 m/s methodology was used.
8th digit = 3 - Communication was at 9600 bps.
Digits 13, 14 and 15 indicate the error that occurred. In this example, 403 means there was a timeout error.
Read the following table for the meaning of each digit and error indicated in the communication error code.
Communication error code digit definitions
1st digit
Always set to "0".
2nd digit
Session End. Different ways a fax session may have completed.
[1] = STOP was pressed.
[2] = DCN was received from the remote site (DCN = disconnect).
[4] = MEMORY was full and the session may terminate.
[8] = OPERATOR ALERT requested.
3rd digit
Operation. The type of fax session that occurred.
[1] = RECEIVE from a remote transmitter
[2] = TRANSMIT to a remote receiver
[4] = POLLED receive, system became a transmitter
[8] = POLLING transmit, system became a receiver
4th digit
Training. Different options that have been requested or were set during training.
[1] = ID was received successfully (Transmitting Subscriber Identification TSI or Caller Subscriber Identification CSI)
[2] = RETRAIN/FALLBACK was requested
[4] = ECM (Error Correction Mode) was selected
[5] = ECM not selected
5th digit
Send Operations. Different types of send operations that were selected by the user.
[1] = DELAYED operation
[2] = BROADCAST operation
[4] = SPEED DIAL was used to select the dialing number
[8] = ADF (Automatic Document Feeder) was in use, document was not sent from memory
6th digit
Protocol. Denotes the various resolution and coding methods used.
[0] = Standard resolution/MH coding (MH = modified Huffman)
[1] = Standard resolution/MR coding (MR = modified Read)
[2] = Standard resolution/MMR coding (MMR = modified Read)
[4] = Fine resolution/MH coding (MH = modified Huffman)
[5] = Fine resolution/MR coding (MR = modified Read)
[6] = Fine resolution/MMR coding (MMR = modified Read)
[8] = 300 DPI/MH coding (MH = modified Huffman)
[9] = 300 DPI/MR coding (MR = modified Read)
[A] = 300 DPI/MMR coding (MMR = modified Read)
7th digit
Session Methodology. Session speed/type of data used for transmission and reception
[0] = 0 ms/line
[1] = 5 ms/line
[2] = 10 ms/line
[4] = 20 ms/line
[7] = 40 ms/line
[8] = 0 ms/line (Halftone)
[9] = 5 ms/line (Halftone)
[A] = 10 ms/line (Halftone)
[C] = 20 ms/line (Halftone)
[F] = 40 ms/line (Halftone)
8th digit
Modem baud rate speed used.
[0] = 2400 bps
[1] = 4800 bps
[2] = 7200 bps
[3] = 9600 bps
[4] = 12000 bps
[5] = 14400 bps
9th digit
Always set to "0".
10th digit
Miscellaneous
[1] = This journal entry needs to be printed
[2] = Remote Diagnostics
[4] = PC send
11th digit
(send only) Used to identify errors in the transmission of a fax to a remote receiver.
[0] = NULL XMT (XMT = transmit)
[1] = MPS XMT (MPS = Multi-Page Signal)
[2] = EOP XMT (EOP = End of Procedure)
[3] = EOM XMT (EOM = end of message)
[4] = NULL XMT/RR REC
[5] = MPS XMT/RR REC
[6] = EOP XMT/RR REC
[7] = EOM XMT/RR REC
[8] = NULL XMT/CTC REC
[9] = MPS XMT/CTC REC
[A] = EOP XMT/CTC REC
[B] = EOM XMT/CTC REC
12th digit
(send only) Used to identify errors in the transmission of a fax to a remote receiver.
[1] = PRI (PRI = Procedure Interrupt)
[2] = PPS (PPS = Partial Page Signal)
[3] = PPS-PRI
[4] = EOR (EOR = End of Retransmission)
[5] = EOR-PRI
[8] = RTN received (RTN = Retrain Negative - indicated line noise, subsequent)
[9] = PRI/RTN received (pages should be sent at a lower baud rate)
13th, 14th and 15th digits
3-digit communication error code. Continue to the next table for details.
Identify the meaning of the last three digits of a 15-digit communication error code on a fax log report.
Code
Description
Comments
401
DCN received
You are called by a fax that is polling and from the DIS (Digital Command Signal) you send, it is noted that there is no document to send. The calling fax then sends you a DCN (Sharp brand fax machines).
402
Line disconnect
You transmitted a DCN and dropped the line after waiting 3 seconds for a received frame from the transmitter or the line signal was gone more than 0.2 seconds.
403
Time-out
No fax tones were detected in the incoming call. The call was not from another fax machine. The incoming fax was from an older "silent " fax machine. Turn on Silent Detect from the fax settings if this is the case. The Line Interface Unit may be bad.
404
No document to be polled
You have polled another fax that does not have a document to be polled. Ricoh FAX 800 or an HP Officejet will cause this error to be reported on the polling machine. Also may be caused if a Canon B200 polled the HP Officejet but the Canon user may not have pressed the START key soon enough to force the Canon to poll rather than manual receive.
411
No post MSG or local interrupt
This error occurs if the line drops or the calling fax aborts during the training phase of the receive. For the first page at least, the message is "Connecting..."
412
Line disconnect
Time-out on the HDLC (High Level Data Link Control) buffer. If the HDLC buffer finishes due to a line drop and loss of data, the system will wait for the message to finish to resynch and retransmit data to the receiver. Receiver sent DCN and dropped line after waiting 3 seconds for a receive frame from the transmitter or the line signal was gone for more than 0.2 seconds.
413
DCN received
You have polled a fax and it disconnects instead of sending a page. The sender fails to pick the next page in the scanner. The sender presses STOP as the sender starts to transmit.
Code
Description
Comments
414
No documents to be polled
There were no documents to be polled.
415
Invalid DCS
DCS (Digital Command Signal) was received in the command frame but was invalid. A valid DCS must correspond to the products request for ECM mode ON or OFF.
416
Speed mismatch
Set if the DCS frame received from a remote transmitter contains a minimum scan speed non-compatible with the receiver’s capabilities.
417
T30 or At Least One Page Not Confirmed
Set in the non-ECM case if the printer sends an RTN (retrain negative) to indicate that the page received had lots of bad lines and may not be readable. Set in the ECM case if the printer fails to receive a completely correct page after all attempts to get the sender to resend the bad frames. The non-ECM case will happen if the line is noisy causing errors on many of the lines in the page. The ECM case is difficult to reach because most fax machines will train down to slower and slower speeds until the retransmitted frame is correctly received.
419
System exception
The fax receive was aborted. The most common cause is lack of memory.
421
Phone disconnected
The user has disconnected the line after the voice session without continuing the fax session.
422
Irrelevant response
In non-ECM mode the command received was none of the expected responses.
431
No local response for remote interrupt
Set by a receiver when working in ECM mode. The post-message voice request command was received and there was no local line request during T3 time-out.
432
Phone disconnected
The user has disconnected the line after the voice session without continuing the fax session while in ECM mode.
Code
Description
Comments
441
Phone disconnected
The user has disconnected the line after the voice session without continuing the fax session while in ECM mode.
451
Phone disconnected
The user has disconnected the line after the voice session without continuing the fax session while in ECM mode.
461
Time-out
T2 timer time-out waiting for a command following an RNR.
462
DCN received
A DCN was received in a command frame that was received in response to RNR. The local unit ran out of memory while receiving.
463
Line disconnect
Receiver sent DCN and dropped the line after waiting 3 seconds for a received frame from the transmitter or the line signal was gone more than 0.2 seconds.
464
Irrelevant response
In ECM mode the command received was not expected.
471
Time-out
T2 timer time-out waiting for a command following an RNR.
472
ERR transmitted
Set by a receiver in ECM if a transmitter decides to abort retransmissions of current block/page/document after 4 unsuccessful retries and possible fallbacks in modem speed.
473
DCN received
A DCN was received in a command frame that was received in response to RNR.
474
Line disconnect
Receiver sent DCN and dropped the line after waiting 3 seconds for a received frame from the transmitter or the line signal was gone more than 0.2 seconds.
Code
Description
Comments
475
Irrelevant response
In ECM mode the command received was not expected.
481
Irrelevant response
In ECM mode, the command received was not RR.
501
Line busy
Busy tone detected during initial handshake. "BUSY" displayed on journal.
502
DCN received
A DCN was received in a command frame that was received in response to CNG (Calling Tone--This signal has a frequency of 1100 Hz.)
503
Line disconnect
Receiver sent DCN and dropped the line after waiting 3 seconds for a received frame or the line signal was gone more than 0.2 seconds.
504
Irrelevant response
Command following CNG was not valid.
505
Time-out
T1 timer elapsed and no response received. "No answer" displayed on journal report.
511
Incompatible remote receiver
Receiver is non-compatible for customizable functions.
512
Incompatible remote receiver
Receiver is non-compatible or polling was requested and denied.
513
Polling password incorrect
You were polled and there was no document to send.
514
No documents to be polled
The polling unit does not look at the DIS which says we do not have a document to poll and requests us to send one anyway.
515
Time-out
Timer has elapsed.
Code
Description
Comments
521
DCN received
DCN was received in a response frame following the training phase.
522
Line disconnect
Receiver sent DCN and dropped the line after waiting 3 seconds for a received frame or the line signal was gone more than 0.2 seconds.
523
No response on all retries
No response was received on all 3 attempts to establish connection with DCS. We lost connection with the receiver, either because the line dropped or because the receiver hung up.
524
Identification received
Failure to sync with the remote unit. The line may be defective which keeps the remote unit from seeing the DCS command.
525
Fallback impossible
Fallback in modem speed is needed but impossible (for example: receiver supports v .29 but v .27 is needed). All attempts to train with remote unit have failed.
526
Irrelevant response
The response received following the DCS + training was not valid (expected CFR).
531
Irrelevant response
The response received following the transmission of MPS, EOP, EOM was incorrect. Check diagnostic bits 11 and 12.
532
DCN received
DCN was received in a response to the transmittal signal. Check diagnostic bits 11 and 12.
533
Line disconnect
Receiver sent DCN and dropped the line after waiting 3 seconds for a received frame or the line signal was gone more than 0.2 seconds.
534
No response on all retries
The connection was lost either because the line was dropped or the receiver hung up.
Code
Description
Comments
535
Fallback impossible
Fallback in the transmission of post messages is not possible. Remote receiver does not respond with a RTP or RTN or the transmitter cannot retransmit.
536
At least one page not confirmed
Occurs in non-ECM mode when there are many errors on a page. The page received was not readable.
541
Phone disconnected
The user has disconnected the line after the voice session without continuing the fax session.
542
Time-out
The T3 operator intervention timer has expired.
543
Irrelevant response
The response received after the transmission of a voice request to the remote sender was not a DIS.
551
DCN received
DCN was received in a response to the transmitted signal. Check diagnostic bits 11 and 12.
552
Line disconnect
Receiver sent DCN and dropped the line after waiting 3 seconds for a received frame or the line signal was gone more than 0.2 seconds.
553
No response on all retries
The connection was lost with the receiver either because the line was lost or the receiver hung up.
554
Irrelevant response
The response received following the transmission of PPS-NULL, PPS-MPS, PPS-EOM was incorrect. Check diagnostic bits 11 and 12.
555
Fallback impossible
System is unable to receive a valid ECM transmission at any baud rate.
561
DCN received
DCN was received in a response to the transmitted signal. Check diagnostic bits 11 and 12.
562
Line disconnect
Receiver sent DCN and dropped the line after waiting 3 seconds for a received frame or the line signal was gone more than 0.2 seconds.
563
No response on all retries
The connection was lost with the receiver either because the line was lost or the receiver hung up.
564
Irrelevant response
The response received following the transmission of PPS-NULL, PPS-MPS, PPS-EOM was incorrect. Check diagnostic bits 11 and 12.
565
No cont. with next message
Set by a transmitter (ECM) when it aborted retransmissions of current block/page/document after 4 unsuccessful retries and possible fallbacks in modem speed.
566
At least one page not confirmed
ERR (End of Retransmission Response) was received from the receiver in response to EOR-MPS, -EOP, -EOM, or -NULL.

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