Error Code
491
Problem Solving
14
033-521
[Cause] An error occurred during fax transmission.
[Remedy] Confirm the condition of the machine (memory is full, paper has run out, or other
conditions), and execute the operation again.
033-522
[Cause] An error occurred during fax transmission.
[Remedy] Ask the sender to execute the operation again.
033-523
[Cause] The line (Channel 1) is not connected correctly.
[Remedy] Confirm the connection of the line (Channel 1) and connect it correctly, and then
execute the operation again. When the machine is connected to other device such as a
home gateway and a terminal adapter, confirm whether the device works properly.
033-526
[Cause] An error occurred during fax transmission.
[Remedy] Confirm the model of the sender's machine, and then execute the operation again. If
receiving, ask the sender to send again.
033-527
[Cause] An error occurred during fax transmission.
[Remedy] Confirm the other machine has a problem, and then execute the operation again.
033-528
[Cause] An error occurred during fax transmission.
[Remedy] Ask the sender to send again.
033-529
[Cause] An error occurred during fax transmission.
[Remedy] Confirm the other machine has a problem, and then execute the operation again.
033-530
[Cause] Received a procedure disabled signal.
[Remedy] Confirm the procedure for DTMF in the User Guide, and then execute the operation
again.
033-531
[Cause] Received a command rejection signal.
[Remedy] Confirm the condition of the other machine (memory is full, paper has run out, or other
conditions), and execute the operation again.
033-532
033-533
[Cause] An error occurred during fax transmission.
[Remedy] Execute the operation again. If receiving, ask the sender to send again.
033-534
[Cause] The other machine does not offer a feature to print the number of document sets sent.
[Remedy] Do not specify multiple sets.
033-535
[Cause] An error occurred during fax transmission.
[Remedy] Confirm information such as the recipient and folder information, and execute the
operation again.
033-536
033-537
[Cause] An error occurred during fax transmission.
[Remedy] Execute the operation again.
033-538
033-539
033-540
[Cause] An error occurred during fax transmission.
[Remedy] Execute the operation again. If the error still is not resolved, contact our Customer
Support Center.
033-541
[Cause] The recipient is not specified.
[Remedy] Specify the recipient correctly.
033-542
[Cause] A line was specified that is not connected.
[Remedy] Specify a connected line.
033-543
[Cause] The recipient (fax number) is incorrect.
[Remedy] Enter a correct fax number, and execute the operation again.
Error Code Cause and Remedy