Countermeasures for Each Error Code

When printing or scanning is not completed normally or fax transmission or reception fails, a number starting with "#" (an error code) is displayed on the details screen for job log or a communication management report (Printing Reports and Lists). Perform the countermeasure required for the error code.
Some error codes may not be displayed, depending on your machine.

#001 to #800

#801 to #999

#001

Different size originals were scanned without setting the Different Size Originals mode.
Check the originals and the settings and scan the originals again.
A paper jam occurred.
After removing the paper jam, check the documents and the settings, and then scan again.

#003

Communication that exceeds the specified time (64 minutes) causes an error.
Lower the resolution and try sending again.
Basic Operations for Sending Faxes
When receiving a document, ask the other party to lower the resolution when scanning or divide the document into multiple parts.

#005

There was no response from the other party for 35 seconds.
Check that the other party can communicate, and try sending again.
The device of the other party is not a model that supports G3.
Check the device of the other party.

#009

Paper has run out.
Load paper.
Loading Paper
The paper deck/paper drawer is not inserted correctly.
Insert the paper deck/paper drawer in all the way.
Basic Paper Loading Method

#010

Paper has run out.
Load paper.
Loading Paper

#011

The document to send was not placed correctly.
Place the original correctly and try sending again from the start of the procedure.

#012

Could not send because the device of the other party does not have any paper.
Tell the other party to load paper.

#018

There was no response when redialing.
Check that the other party can communicate, and redial again.
Could not send because the other party was making a call, etc.
Check that the other party can communicate, and try sending again.
Could not send because the settings of the device of the other party do not match.
Check the settings of the other party, and try sending again.

#019

When sending a fax from a remote fax client machine, sending could not be performed because the memory of the remote fax server machine became full.
Try sending again after the other sending to the remote fax server machine is complete.
Delete unnecessary documents and error documents from the remote fax server machine to free up space.
The document could not be sent because the memory of the machine is full.
Delete unnecessary documents and documents with errors to make more memory available.
When performing memory sending, the image could not be stored in the memory.
Perform memory sending again.
Send the document with direct sending.
There was a problem with the scanned image when performing direct sending.
Perform direct sending again.

#022

Forwarding could not be performed because the content of the group destination specified as the forwarding destination was deleted or only included a Mail Box.
Specify another destination, and try sending again.
When sending to a destination registered in the address book, sending could not be performed because the destination was deleted from the address book while the machine was waiting to send.
Specify another destination, and try sending again.
Sending from the fax driver is not allowed.
Set <Allow Fax Driver TX> to <On>, and try sending again. Restricting the Fax Sending Functions

#025

When sending a fax from a remote fax client machine, a line that does not exist in the remote fax server machine was specified.
Check the number of lines in the server machine, and try sending again after matching the remote fax transmission settings of the client machine with the number of lines on the server machine.
<No. of TX Lines>

#033

The device of the other party does not support confidential communication or subaddresses.
Send without using confidential communication or subaddresses.

#034

The confidential storage location in the device of the other party specified for confidential communication was not found.
Check the confidential storage location in the device of the other party, and try sending again.
The memory was insufficient in the device of the other party.
Ask the other party to free up some space.

#035

The device of the other party does not support the forwarding function or subaddresses.
Directly send to the other party.

#037

The document could not be copied or received because there was insufficient memory available.
Organize documents in the Memory RX Inbox to make more memory available.
Printing Documents in the Memory RX Inbox
If you are copying a document with more than 100 pages in one operation, divide the document into two or more parts and then copy.
Data containing more than 1,000 pages was received.
The machine deletes any pages after the 999th page, and prints or stores the remaining 999 pages. Tell the other party to send the 1,000th and subsequent pages again.
When performing delayed sending or redial sending, the image data of the document to send was not found in memory.
Scan the original again, and try sending again.
Select direct sending when sending again.
Could not send to multiple destinations because the machine had insufficient free memory.
Delete unnecessary documents and error documents to free up space.
Divide the document into two or more parts, and then try sending the document again.
Lower the resolution and try sending again.

#040

When sending a fax from a remote fax client machine, sending could not be performed because the memory of the remote fax server machine was insufficient.
Delete unnecessary documents and error documents from the remote fax server machine to free up space.
Divide the document into two or more parts, and then try sending the document again.
Lower the resolution and try sending again.
The document could not be sent because the memory of the machine is full.
Delete unnecessary documents and documents with errors to make more memory available.
Divide the sending operation into multiple batches instead of sending the document to all destinations at once.
Lower the resolution, and then send the document again.

#054

The sending process was canceled because the unit telephone number and unit name were not registered.
Try sending again after registering the unit telephone number and unit name.
<Send>  <Fax Settings>  <Set Line>
<Register Unit Telephone Number>
<Register Unit Name>

#080

A subaddress is not set in the device of the other party.
Check the subaddress of the other party, and try sending again.

#081

A password is not set in the device of the other party.
Check the password of the other party, and try sending again.

#082

Polling transmission is not configured in the device of the other party.
Tell the other party to configure polling transmission, and perform polling reception again.

#083

The subaddress and password of the machine and the device of the other party did not match when performing polling reception.
Check that the subaddress and password of the machine and the device of the other party match, and try sending again.

#084

Cannot perform polling reception because the password is not supported by the device of the other party.
Perform polling reception without using a password.

#099

The operation was canceled before it was complete.
Perform the operation again.

#102

The subaddress and password do not match.
Check the subaddress and password of the other party, and try sending again.
There was insufficient memory in the recipient's machine.
Ask the recipient to make more memory available.

#107

The document could not be sent because there was insufficient memory available.
Lower the resolution or divide the document into two or more parts, and then try sending the document again.
Delete unnecessary files to make more memory available.
Saving Received Documents in the Machine (Memory Reception)
If this problem occurs frequently, contact your local authorized Canon dealer.

#401

The memory media or file server is full, or the number of files that can be saved in the root directory (the top level folder inside the memory media) has been exceeded.
Delete unnecessary files from the memory media or file server, or create a new folder and move existing files to that folder to create room in the root directory.

#402

The image transfer failed when transferring to the memory media bacause an invalid character (such as \) was included in the specified filename.
Change the filename to the correct filename.

#403

The file could not be saved because a file with the same name already exists. Normally, automatic renaming is performed to append a number between 1 and 999 to the filename when a file with the same name exists, but the file could not be saved because files with the numbers 1 to 999 appended to them already exist.
Change the filename and save the file again.

#404

Writing failed because the write protect switch of the memory media was enabled.
Disable the write protect switch of the memory media.

#406

Writing failed due to one of the following possible causes:
Memory media was removed while the file was being written to it.
The Advanced Space of another machine on the network was deleted while the file was being written to it.
Check that the memory media is inserted or that the Advanced Space of another machine on the network is available, and read the file again.
The image transfer failed when transferring to the memory media because an unspecified error occurred. (The connected memory media may be formatted with an unsupported file system.)
Check the status of the memory media and confirm that it is formatted with a file system supported by the machine (FAT32/exFAT). Then, try performing the procedure again.
The size of the file exceeded the upper limit.
Lower the resolution or reduce the number of pages, and perform the operation again.

#407

The length of the full path to the specified file (or folder) exceeds the maximum supported length.
Change the filename so that the length of the full path is within 256 characters, or change the destination folder.

#409

The file could not be saved because the maximum number of files that can be saved in the destination has been reached.
Change the destination to save the file.

#410

Storing cannot be performed because there are too many jobs waiting to be stored.
Perform the operation again when the other jobs are complete.

#411

The file are already locked by the other operations.
Wait a while, and perform the operation again.

#701

The Department ID does not exist, or the PIN was changed.
If you are using User Authentication, assign Department IDs to users. If you are using DepartmentID Authentication, enter the new Department ID and PIN to log in again.
The reception setting in <Allow Printer Jobs with Unknown IDs> or <Allow Remote Scan Jobs with Unknown IDs> is set to <Off>.
Set <Allow Printer Jobs with Unknown IDs> and <Allow Remote Scan Jobs with Unknown IDs> in <Department ID Management> to <On>.
Setting the Department ID Management
Sending could not be performed because the remote fax client machine failed authentication to the remote fax server machine.
If Department ID Management is set in the remote fax server machine, log in to the remote fax client machine using the Department ID and PIN set in the remote fax server machine.

#702

Sending could not be performed because the memory was full.
Wait a while. Try sending again after the other sending is complete.

#703

An error occurred while converting the image.
Lower the resolution, and then send the document again.
Could not write because the image area of the memory is full.
Try sending again after the other sending is complete.
Delete unnecessary files in the Mail Box and Fax/I-Fax Inbox. If there is still a problem, restart the machine.
Turning ON the Machine

#704

An unknown error occurred when retrieving destination information from the address book.
Check the destination settings. If there is still a problem, restart the machine.
Turning ON the Machine

#705

Sending was canceled because the image data size exceeded the maximum value set in Settings/Registration.
Adjust the maximum data size for sending. Select a lower resolution or reduce the number of images sent at once when using the I-fax function to ensure that the maximum data size for sending is not exceeded. Divide the data, depending on the conditions of the other party.
<Maximum Data Size for Sending>

#706

An address book was being imported/exported from the Remote UI or another sending component was in use.
Try sending again after the other operation is complete.

#711

The memory is full. You may be able to send if you delete unnecessary files in mail boxes.
Try sending again after deleting unnecessary files in mail boxes.

#712

The memory is full. Try executing again after deleting unnecessary files in mail boxes.
Try sending again after deleting unnecessary files in mail boxes.

#713

The document in Mail Box or Fax/I-Fax Inbox was deleted before sending the URL.
Try sending again after saving the required document in the Mail Box or Fax/I-Fax Inbox.

#715

The certificate to use was not found when sending an e-mail with a digital signature attached.
When using a device signature, set the e-mail address of the machine (Setting E-mail/I-Fax Communication), and then generate a certificate for device signatures (Generating a Device Signature Certificate). If a certificate for device signatures has already been generated, generate it again. When using a user signature, register the certificate for user signatures again (Registering a User Signature Certificate).
Check whether an expired certificate or revoked certificate is being used. In addition, check whether the certificate chain is invalid.

#716

The destination public key certificate could not be found.
Register the destination public key certificate in the machine.
Registering an S/MIME Certificate
Check whether an expired certificate or revoked certificate is being used. In addition, check whether the certificate chain is invalid.

#749

The operation could not be performed because a service call message is displayed.
Turn the main power OFF, and turn the main power ON again. If the operation still cannot be performed correctly, turn the main power switch OFF, remove the power plug from the outlet, and contact your local authorized Canon dealer.
Turning OFF the Machine
Turning ON the Machine

#751

The server is not running or the network is disconnected (either you could not connect to the destination, or the connection was lost before the job could be completed).
Check whether the server is operating normally.
Check the status of the network.
If the destination is using IIS 6.0 with Windows Server 2003 and digest authentication is used as the authentication method of the WebDAV server, set <Use Divided Chunk Send for WebDAV TX> to <On> to send with WebDAV via a proxy using TLS communication.
<Use Divided Chunk Send for WebDAV TX>
The IP address is not set.
Check <TCP/IP Settings> in <Preferences>.
<Network>  <TCP/IP Settings>
Could not send to an SMB server (including the Advanced Space of another imageRUNNER ADVANCE series machine disclosed with SMB) because a file server is being browsed using Windows (SMB).
If an error occurs with delayed sending, close the <Browse> screen, and scan and send the document again.
If an error occurs when forwarding a received fax/I-fax file to an SMB server, scan a printed copy of the received file, and send it to the forwarding destination.
Basic Operations for Scanning Originals
You can avoid errors by using FTP as the protocol for sending to servers.

#752

The server is not running or the network is disconnected.
Check whether the SMTP server is operating normally.
Check the status of the network.
The SMTP server name setting for e-mail/I-fax is incorrect or the e-mail address or domain name is not set.
Check the SMTP server name, e-mail address, and domain name settings in <Communication Settings>.
Setting E-mail/I-Fax Communication

#753

A TCP/IP error (Socket or Select error, etc.) occurred when sending e-mail or when sending a fax from a remote fax client machine.
Check the status of the network cable and connector. If there is still a problem, restart the machine.
Turning ON the Machine

#754

The client machine is not functioning or the network is down when device information is being delivered.
Check the client machine and network.
The destination setting is incorrect.
Check the destination settings.

#755

Could not send a fax from a remote fax client machine because TCP/IP is not operating correctly.
Check <TCP/IP Settings> in <Preferences>.
<Network>  <TCP/IP Settings>
The IP address is not set.
Check <TCP/IP Settings> in <Preferences>.
<Network>  <TCP/IP Settings>
If you selected <Wired LAN + Wireless LAN> in <Select Wired/Wireless LAN>, also check <Sub Line Settings> in <Preferences>.
<Network>  <Sub Line Settings>
When the machine was turned ON, an IP address was not assigned to the machine by DHCP or Auto IP.
Check <TCP/IP Settings> in <Preferences>.
<Network>  <TCP/IP Settings>
If you selected <Wired LAN + Wireless LAN> in <Select Wired/Wireless LAN>, also check <Sub Line Settings> in <Preferences>.
<Network>  <Sub Line Settings>

#759

An error occurred when sending the URL of the Mail Box in which a file was saved.
Contact your administrator.

#761

When sending a PDF/XPS file with a digital signature, the file could not be sent because the certificate or key pair set in the machine was corrupt or could not be accessed.
When sending a PDF/XPS file with a user signature, check whether the user certificate is corrupt. If the user certificate is corrupt, install it again.
Adding a Digital Signature to Sent Files
Registering a User Signature Certificate
When sending a PDF/XPS file with a device signature, check whether the device certificate is corrupt. If the device certificate is corrupt, generate it again.
Generating a Device Signature Certificate

#762

Could not send to a domain not registered as an allowed domain because <Restrict TX Destination Domain> is set to <On>.
Set <Restrict TX Destination Domain> to <Off> or register the domain as an allowed domain, and try sending again.
Restricting the Domain of Send Destination

#766

The certificate to use when sending a PDF/XPS file with a digital signature has expired.
Update the certificate or use a certificate that has not expired.
If the certificate has not expired, set the time of the machine correctly.
Setting the Date/Time

#769

The number of trials allowed for the send function reached the upper limit.
If you want to continue using this function, purchase the official optional product.

#770

When sending with WebDAV, sending could not be performed because TLS communication was not supported on the WebDAV server side or proxy server side.
Check the WebDAV server settings.
Check the proxy server if you are sending via a proxy.
Sending could not be performed because a validation error occurred when validating the TLS server certificate when sending with WebDAV because <Confirm TLS Certificate for WebDAV TX> is set to <On>.
Check whether the CA certificate used to sign the TLS server certificate on the WebDAV server side is registered in the machine.
Check whether the TLS server certificate on the WebDAV server side is correct.
Check whether the TLS server certificate is a self-signed certificate.
The operation could not be completed because a validation error occurred when validating the TLS server certificate when accessing another server because <Confirm TLS Certificate for Network Access> is set to <On>.
Check whether the CA certificate used to sign the TLS server certificate of the Advanced Space of the other imageRUNNER ADVANCE series machine disclosed as a WebDAV server is registered in the machine.
Check whether the TLS server certificate of the Advanced Space of the other imageRUNNER ADVANCE series machine disclosed as a WebDAV server is correct.
Check whether the TLS server certificate is a self-signed certificate.

#771

The remote fax server address setting is incorrect.
Check <Remote Fax TX Settings>.
<Remote Fax Server Address>
The remote fax server is not running.
Check whether the remote fax server is operating normally.
The network is disconnected.
Check the status of the network.
Could not connect to the remote fax server because the DNS server could not be connected to.
Check the DNS server name setting.
Making DNS Settings
Check whether the DNS server is operating normally.

#772

The network is disconnected.
Check the status of the network.

#773

A PDF function that cannot be set is selected when <Optimize PDF for Web> is set to <On>.
Set one of the following: Device Signature, User Signature, or Reader Extensions.
Set <Optimize PDF for Web> to <Off>.
<Optimize PDF for Web>
PDF functions that are not available when <Format PDF to PDF/A> is set to <On > are selected.
Cancel the Encrypt, and Visible Signatures settings. Alternatively, set <Format PDF to PDF/A> to <Off>.
<Format PDF to PDF/A>

#801

A timeout error occurred due to a problem on the mail server side when communicating with the SMTP server to send an e-mail or send or receive an I-fax.
Check whether the SMTP server is operating normally.
Check the status of the network.
An error was returned from the SMTP server when connecting with SMTP. The address setting is incorrect. An error occurred due to a problem on the server side when sending to a file server.
Check whether SMTP is operating normally, the status of the network, the destination settings, and the status and settings of the file server.
The user name and password required when sending e-mail have not been set.
Check <SMTP Authentication (SMTP AUTH)> in <Authent./Encryption>.
Setting SMTP authentication and encryption communication to/from the SMTP server
You sent to a destination that does not have write privileges.
Check the destination settings.
A file with the same name existed when sending to a file server that does not allow files to be overwritten.
Change the settings of the file server to enable files to be overwritten. Alternatively, contact the server administrator.
Change the filename.
The folder name or password specified when sending to a file server was incorrect.
Check the folder name or password.

#802

The SMTP server name specified in <Communication Settings> is incorrect.
Check the SMTP server name set in <Communication Settings>.
Setting E-mail/I-Fax Communication
The DNS server address specified in <DNS Settings> is incorrect.
Check the DNS server address specified in the DNS settings.
Making DNS Settings
Connection to the DNS server failed.
Check that the DNS server is functioning normally.
The settings for the FTP server specified as the destination are incorrect.
Check the FTP server specified as the destination.
Connection to the FTP server failed.
Check that the FTP server is functioning normally.

#803

The connection was interrupted due to reasons on the recipient's side before all of the pages could be sent.
Re-enter the group destination, and try sending again.

#804

When sending to a file server, no folders matched the specified path.
Check the destination.
You do not have access privileges for the folder or file. Alternatively, the folder or file may have been deleted by another operation.
Allow access to the folder on the server side. Alternatively, contact the server administrator.

#805

Could not send to the SMB server because there was insufficient free space on the server side.
Delete unnecessary documents and error documents from the server to free up space. Alternatively, contact the server administrator.

#806

The user name or password specified when sending to a file server was incorrect.
Check the user name or password.
The destination specified when sending an e-mail/I-fax was incorrect.
Check the e-mail/I-fax destination.

#807

You do not have access privileges for the specified directory.
Set access privileges for the server directory or send to a directory that you have access privileges for. Alternatively, contact your administrator.

#809

When sending to an SMB server, a file with the same name already exists and overwriting of files is not allowed.
Change the filename and try sending again.
Change the settings of the SMB server to enable files to be overwritten. Alternatively, contact the server administrator.
When sending to an SMB server, the response on the server side was slow, causing a wait time timeout on the machine side before the data could be sent or forwarding could be completed.
Set a longer timeout time in <Timeout> on the SMB client.
Setting the SMB Client

#810

A POP server connection error occurred when an I-fax was received.
Check the POP server settings in <Communication Settings>.
Setting E-mail/I-Fax Communication
Check whether the POP server is operating correctly. Check the status of the network.

An error was returned from the POP server when connecting to the POP server. Alternatively, a timeout error occurred on the server side.
Check the POP server settings in <Communication Settings>.
Setting E-mail/I-Fax Communication
Check whether the POP server is operating correctly. Check the status of the network.

#813

A POP server authentication error (user account error or password error) occurred when an I-fax was received.
Check the POP server settings in <Communication Settings>.
Setting E-mail/I-Fax Communication

#815

You cannot log on to the file server because the machine is printing a document sent to that server. Simultaneous connections are not possible.
Wait for a few moments before trying to send the data again. Alternatively, stop the PServer.

#816

Printing could not be performed because the maximum number of prints set in Department ID Management was exceeded.
Contact your System Manager.

#818

The received data was in a file format that cannot be printed.
Tell the other party to change the file format and send again.

#819

Data that cannot be handled was received. The MIME information is invalid.
Tell the other party to check the settings and send again.

#820

Data that cannot be handled was received. The BASE64 or uuencode is invalid.
Tell the other party to check the settings and send again.

#821

Data that cannot be handled was received. A TIFF analysis error occurred.
Tell the other party to check the settings and send again.

#822

Data that cannot be handled was received. The image cannot be decoded.
Tell the other party to check the settings and send again.

#825

The Department ID and PIN of a job being executed or a reserved job were deleted, or the PIN was changed.
Execute the job again using the changed Department ID and PIN.
Device information could not be delivered because the System Manager is registered on the destination client machine but not on the host machine. Or device information could not be delivered because the System Manager ID and System Manager PIN registered in the client machine differ from the System Manager ID and System Manager PIN registered in the host machine.
Register the same System Manager ID and System Manager PIN in both the host machine and the destination client machine, and then try delivering the device information again.

#827

Data that cannot be handled was received. Unsupported MIME information was included.
Tell the other party to check the settings and send again.

#828

HTML data was received.
Tell the other party to change to a format other than HTML and send again.

#829

Data containing more than 1,000 pages was received.
The machine deletes any pages after the 999th page, and prints or stores the remaining 999 pages. Tell the other party to send the 1,000th and subsequent pages again.

#830

A DSN error notification was received because the I-fax address or destination conditions were incorrect.
Check the specified I-fax address and the destination conditions.
A DSN error notification was received because the size of the file that was sent exceeded the size allowed by the mail server.
Change the setting in <Maximum Data Size for Sending> so that the size of the file to send does not exceed the size allowed by the mail server.
<Maximum Data Size for Sending>
Check the status of the mail server, DNS server, and network.

#831

An I-fax document could not be received using SMTP because of the Receive Filter setting in Firewall Settings.
Reset the Receive Filter setting in Firewall Settings.
Specifying IP Addresses in Firewall Settings

#832

Could not send DSN mail because e-mail settings and network settings were not specified in <Communication Settings>.
Check <Communication Settings>, <DNS Settings>, and <IP Address Settings>.
Setting E-mail/I-Fax Communication
Making DNS Settings
Setting an IP Address
DSN mail could not be sent due to a problem with the mail server or DNS server.
Check the status of the mail server and DNS server.

#833

MDN (Message Disposition Notification) mail could not be sent because the TCP/IP settings were not specified.
Check <Communication Settings>, <DNS Settings>, and <IP Address Settings>.
Setting E-mail/I-Fax Communication
Making DNS Settings
Setting an IP Address
MDN (Message Disposition Notification) mail could not be sent due to a problem with the mail server or DNS server.
Check the status of the mail server and DNS server.

#834

An MDN error notification was received because the I-fax address or destination conditions were incorrect.
Check the specified I-fax address and the destination conditions.
An MDN error notification was received because a problem occurred in the mail server or network.
Check the status of the mail server and network.
An MDN error notification was received because a problem such as a full memory occurred at the other party.
Check the conditions and status of the other party.

#835

The maximum number of text lines that can be received with I-fax was exceeded.
Tell the other party to reduce the number of text lines in the message body and send again.

#837

A connection request was received from a host whose connection is restricted by the Receive Filter settings in Firewall Settings.
Check the Receive Filter settings in Firewall Settings. This may also represent a hacking attempt via unauthorized access.
Specifying IP Addresses in Firewall Settings

#838

The license required to use the send function has expired.
Purchase a license for the send function.

#839

The user name or password set in <Communication Settings> is incorrect.
Check the user name and password settings for SMTP authentication (SMTP AUTH) in <Communication Settings>.
Setting E-mail/I-Fax Communication

#841

An encryption algorithm shared with the mail server does not exist for e-mail and I-fax transmission.
Set <Allow TLS (POP)> or <Allow TLS (SMTP TX)> in <Communication Settings> to <Off>.
Setting E-mail/I-Fax Communication
Add a common encryption algorithm to the mail server settings.

#842

The mail server requested authentication using a client certificate for e-mail and I-fax transmission.
Set <Allow TLS (POP)> or <Allow TLS (SMTP TX)> in <Communication Settings> to <Off>.
Setting E-mail/I-Fax Communication
Change mail server settings so that a client certificate is not requested.
Sending could not be performed because a validation error occurred when validating the TLS server certificate when sending with SMTP because <Confirm TLS Certificate for SMTP TX> is set to <On>.
Use the Remote UI to check whether the CA certificate used to sign the TLS server certificate on the SMTP server side is registered in the machine.
Check whether the TLS server certificate on the SMTP server side is correct.
Check whether the TLS server certificate is a self-signed certificate.

#843

There is a great difference between the time of the KDC (Key Distribution Center) server and the time set in the machine.
Adjust the current date and time in <Date/Time Settings>.
Setting the Date/Time
Adjust the current time set in the KDC (Key Distribution Center) server.

#844

Failed to perform TLS encrypted communication with the POP server when sending with POP before SMTP.
Check the TLS encrypted communication settings of the POP server.
Set <Allow TLS (POP)> to <Off> in <Communication Settings>. If the problem is not resolved, set <POP Authentication Before Sending> to <Off> in <Communication Settings>, and switch to a setting other than POP before SMTP.
Setting E-mail/I-Fax Communication
Sending could not be performed because a validation error occurred when validating the TLS server certificate when communicating with the POP server because <Confirm TLS Certificate for POP RX> is set to <On>.
Use the Remote UI to check whether the CA certificate used to sign the TLS server certificate on the POP server side is registered in the machine.
Check whether the TLS server certificate on the POP server side is correct.
Check whether the TLS server certificate is a self-signed certificate.

#845

Failed to perform POP authentication (POP AUTH) when sending with POP before SMTP.
Check the settings in <POP Server>, <POP Login Name>, and <POP Password> in <Communication Settings>.
Setting E-mail/I-Fax Communication
Check the POP authentication settings of the POP server.
Select <Standard> or <APOP> in <POP Auth. Method> in <Communication Settings>. If the problem is not resolved, set <POP Authentication Before Sending> to <Off> in <Communication Settings>, and switch the communication settings to something other than POP before SMTP.
Setting E-mail/I-Fax Communication

#846

Failed to perform POP authentication (APOP) when sending with POP before SMTP.
Check the settings in <POP Server>, <POP Login Name>, and <POP Password> in <Communication Settings>.
Setting E-mail/I-Fax Communication
Check the APOP settings of the POP server.
Select <Standard> or <POP AUTH> in <POP Auth. Method> in <Communication Settings>. If the problem is not resolved, set <POP Authentication Before Sending> to <Off> in <Communication Settings>, and switch the communication settings to something other than POP before SMTP.
Setting E-mail/I-Fax Communication

#847

Could not save the received file in a Confidential Fax Inbox because the memory of the Mail Box or Fax/I-Fax Inbox was full.
Delete unnecessary files in the Confidential Fax Inbox or Memory RX Inbox.
Printing Documents in the Memory RX Inbox
Keeping Received Documents Private

#848

An error occurred when combining an e-mail that was divided and sent.
The divided data may have been deleted. If you delete divided data, it cannot be combined to form a completed document, even if the remaining data is received later. Ask the sender to send the data again.

#849

Device information could not be delivered because the destination client machine is executing a job.
Deliver the device information again after the destination client machine has finished executing its job.

#850

Device information could not be delivered because the destination client machine is operating a screen related to the device information.
Check the device information that was not delivered, and then deliver the device information again.
Checking the Results of Device Information Distribution

#851

The printer job could not be stored in the Mail Box because the memory is full.
Check the amount of available memory, and execute the job again.

#852

The power was turned OFF while the job was being executed.
Check that the power cable and plug are securely connected, and execute the job again.

#853

The memory is full.
Reduce the number of pages or check that the number of jobs waiting to be processed has decreased, and execute the job again.

#854

Device information was delivered from a machine of a different model group with <Restrict Receiving Device Information> set to <On> on the destination client machine.
Set <Restrict Receiving Device Information> to <Off>, and deliver the device information again
Distributing the Device Information

#855

Device information could not be delivered because it included a language that cannot be handled by the destination client machine.
Contact your local authorized Canon dealer.

#856

The executed operation was canceled because the hard disk area for temporarily saving data became full.
Contact your administrator.

#857

Printing was canceled due to the job being canceled while being received, or due to timeout.
If timeout has occurred, check the status of the network.

#858

The data is invalid.
Check that the print protocol is supported by the machine, as well as the print settings.

#859

A compression error occurred with the image data.
Check the original and the settings, and then try scanning again.

#860

Recovery failed after a paper jam, or an incompatible page description language or settings which cannot be combined were included.
Check the paper or job settings.

#861

An error occurred while processing the print data or image data.
Check the image size and paper size, as well as the color specification settings.

#862

Settings are included which are not supported, cannot be combined, or otherwise exceed the limits of the machine.
Check the job settings.

#863

The job was canceled because initialization operations were performed while the print data was being processed.
Execute the job again.

#864

Could not correctly recognize the external controller, or an error occurred while forwarding print data.
Check the controller and the print data.

#865

The required functions for printing are currently restricted.
Check the machine and the job settings.

#866

The job was canceled by the security related settings.
If you are executing a job from the printer driver, use the user information of the appropriate privileges.
If you are executing a job from the control panel, login as a user with the appropriate privileges.
The security related settings are as follows.
<Restrict Job from Remote Device without User Auth.> is <On>
<Prohibit Authentication Using Department ID and PIN> is <On>
<Use ACCESS MANAGEMENT SYSTEM> is <On>
<Print from Drivers without AMS Printer Driver Add-in> is <Restrict>
The print function is restricted by the user role settings*
*For information on the user roll settings, see the ACCESS MANAGEMENT SYSTEM Administrator Guide.

#868

When sending with WebDAV, communication with the destination failed, and access via a proxy was requested (received HTTP Error 305: Use Proxy).
Check the WebDAV server settings.
Check the proxy settings.
Setting a Proxy

#869

When sending with WebDAV, a response indicating that authentication failed was received from the destination (received HTTP Error 401: Unauthorized).
Check the user name or password.
Check the WebDAV server security settings.

#870

When sending with WebDAV, a response indicating that the request was rejected was received from the destination (received HTTP Error 403: Forbidden).
Try sending again after waiting a while.
Check the destination settings.
Check the WebDAV server settings.

#871

When sending with WebDAV, a response indicating that the specified folder was not found was received from the destination (HTTP Error 404: Not Found/409: Conflict/410: Gone).
Check the destination settings.

#872

When sending with WebDAV, a response indicating that access is not allowed was received from the destination (received HTTP Error 405: Method Not Allowed).
Check the WebDAV server settings.

#873

When sending with WebDAV, a response indicating that proxy authentication failed was received from the destination (received HTTP Error 407: Proxy Authentication Required).
Check the proxy settings.
Setting a Proxy

#874

When sending with WebDAV, a response indicating that a timeout occurred was received from the destination (received HTTP Error 408: Request Timeout).
Try sending again after waiting a while.
Check the WebDAV server settings.

#875

When sending with WebDAV, a response indicating that chunk transmission was refused was received from the destination (received HTTP Error 411: Length Required).
Set <Use Divided Chunk Send for WebDAV TX> to <Off>.
<Use Divided Chunk Send for WebDAV TX>
Check the WebDAV server settings.

#876

When sending with WebDAV, a response indicating that the size of the data was too large was received from the destination (received HTTP Error 413: Request Entity Too Large).
Check the WebDAV server settings.

#877

When sending with WebDAV, a response indicating that the URI (host name and path to folder) was too long was received from the destination (received HTTP Error 414: Request-URI Too Long).
Check the WebDAV server settings.

#878

When sending with WebDAV, a response indicating that an unexpected situation preventing the request from being executed occurred on the server side was received from the destination (received HTTP Error 500: Internal Server Error).
Check the WebDAV server settings.

#879

When sending with WebDAV, a response indicating that the server does not support the necessary functions to execute the request was received from the destination (received HTTP Error 501: Not Implemented).
Check the WebDAV server settings.
When sending via a proxy with non-TLS communication, set <Use Divided Chunk Send for WebDAV TX> to <Off>.
<Use Divided Chunk Send for WebDAV TX>

#880

When sending with WebDAV, a response indicating that communication with an upstream server failed was received from the proxy server (received HTTP Error 502: Bad Gateway).
Check the WebDAV server settings.
Check the proxy server settings.

#881

When sending with WebDAV, a response indicating that requests currently cannot be handled was received from the destination (received HTTP Error 503: Service Unavailable).
Check the WebDAV server settings.

#882

When sending with WebDAV, a response indicating that communication with an upstream server failed was received from the proxy server (received HTTP Error 504: Gateway Timeout).
Check the WebDAV server settings.
Check the proxy server settings.

#883

When sending with WebDAV, a response indicating that the server does not support the necessary functions to execute the request was received from the destination (received HTTP Error 505: HTTP Version Not Supported).
Check the WebDAV server settings.

#884

When sending with WebDAV, a response indicating that disk space required for the request could not be secured on the server side was received from the destination (received HTTP Error 507: Insufficient Storage).
Check the WebDAV server settings.

#885

When sending with WebDAV, an unexpected error response was received from the server.
Check the WebDAV server settings.
Check the proxy server settings.

#886

When sending with WebDAV, a response indicating that the request was invalid was received from the destination (received HTTP Error 400: Bad Request).
When sending via a proxy with non-TLS communication, set <Use Divided Chunk Send for WebDAV TX> to <Off>.
<Use Divided Chunk Send for WebDAV TX>

#889

The original could not be scanned or printed because it was embedded with job restriction information.
Check the job restriction information or contact your administrator.

#899

E-mail or I-fax transmission completed normally. However, the transmission may not have been received by the other party because it is relayed by multiple servers.
Ask whether the other party received the transmission, as necessary.
The fax was sent normally from the remote fax client. However, reception may be incomplete because the transmission was relayed via a remote fax server.
Check whether the fax was sent in the transmission results of the remote fax server.
Check the status of the server and network.
Ask the recipient to check that the document was received properly.

#904

Destinations registered in <Favorite Settings> are not updated when the Address Book is retrieved using device information delivery from an iR/imagePRESS series machine connected to the network.
Register <Favorite Settings> again from the touch panel display of the machine.

#905

The job could not be executed because a network error occurred.
Check the path length and access privileges of the server, and whether the file or folder is in use.

#918

Could not recognize the QR code in the original.
Check whether the QR code is in the correct position and scan the original again.

#919

A syntax error or a PostScript error that exceeds device restrictions, etc. was detected.
Set <Print PS Errors> (Settings/Registration) to <On>, submit the job again, confirm the contents of the PostScript error, then execute the job after resolving the error. For more details, see "Setting the Machine (PS/PCL/UFR II Printer)" via the online manual site.

#922

The maximum number of sheets that can be saddle-stitched has been exceeded. Saddle-stitching may be able to be performed by reducing the number of sheets.
Check the maximum number of sheets that can be saddle-stitched, and execute again.

#923

Could not print on the specified side of the cover, or body of the booklet.
Change to a paper type that is compatible with two-sided printing, and execute the job again.

#924

A function was specified which cannot be combined with the Eco (Staple-Free) mode.
If you change the staple position or the paper type, it may be possible to bind with the Eco (Staple-Free) mode.

#925

A transmission error occurred from the fax driver.
An image size that cannot be sent was specified. Check the size of the image.

#927

A transmission error occurred from the fax driver.
Font that cannot be processed is included in the data received by the machine from a computer. Check the received data.

#928

A transmission error occurred from the fax driver.
The memory is full, or the data size has exceeded the size that can be processed at one time. Delete unnecessary data or check the data size.

#929

A transmission error occurred from the fax driver.
A network error occurred when the machine was receiving data from a computer. Check the network connections and settings.

#931

The job was canceled because saddle folding could not be performed.
Check the setting combinations as well as the type of paper you are using and the number of sheets.

#932

The maximum number of sheets that can be stapled with the Eco (Staple-Free) mode has been exceeded. Stapling with the Eco (Staple-Free) mode may be able to be performed by reducing the number of sheets.
Check the maximum number of sheets that can be stapled with the Eco (Staple-Free) mode, and execute again.

#933

The maximum number of sheets that can be stapled has been exceeded. Stapling may be able to be performed by reducing the number of sheets.
Check the maximum number of sheets that can be stapled, and execute again.

#934

An error occurred for a print job, and the job was deleted because the specified time period elapsed.
Resolve the error and execute the job again.
You can also change the time period before deletion or disable automatic deletion from <Auto Delete Suspended Jobs> (Settings/Registration).
<Auto Delete Suspended Jobs>

#935

The job was canceled and one copy was output without being bound because the maximum number of sheets of paper that can be bound with the Eco (Staple-Free) mode was exceeded.
Check the maximum number of sheets of paper that can be bound with the Eco (Staple-Free) mode, and execute the job again.
You can specify the procedure to perform when there are too many sheets to staple at once.
<Action When Too Many Sheets to Staple>

#936

The job was canceled and one copy was output without being stapled because the maximum number of sheets of paper that can be stapled together was exceeded.
Check the maximum number of sheets of paper that can be stapled together, and execute the job again.
You can specify the procedure to perform when there are too many sheets to staple at once.
<Action When Too Many Sheets to Staple>

#937

The document was output without being saddle stitched because the maximum number of sheets of paper that can be saddle stitched was exceeded.
Saddle stitching may be possible if you reduce the number of sheets of paper.
You can specify the procedure to perform when there are too many sheets to staple at once.
<Action When Too Many Sheets to Staple>

#939

Printing was canceled due to an error that occurred while processing the image data.
Execute the job again.

#995

Reserved communication jobs were cleared.
Perform the operation again, as necessary.
6RS2-0RR