# When an Error Message Appears

If you cannot send a fax or the memory is full, or you encounter operation problems, a message appears on the display. Find out more information about messages in the following list.

## Cannot analyze the authentication server certificate.

The authentication server certificate may be invalid, or the certificate may be in a format that the printer does not support.
Check the authentication server certificate.
Configuring IEEE 802.1X Authentication

## Cannot change the destination type of destinations registered to a group.

A selected destination could not be edited because it was registered to Group Dial.
To change the type of destination that is registered to Group Dial, first delete the registered destination from Group Dial. Next, change the destination type, and then register the destination to Group Dial again.

## Cannot find the access point.

When automatic setting with WPS was attempted, a wireless router could not be detected within a specific period of time.
Connect again paying attention to the time limit.
Setting Up Connection Using WPS Push Button Mode
Setting Up Connection Using WPS PIN Code Mode
An SSID or network key of a wireless router was entered manually, but the entry was incorrect.
Check the SSID and network key, and enter the correct ones again.
Checking the SSID and Network Key
Setting Up Connection by Specifying Detailed Settings
A wireless router could not be detected due to setting problems of the network to be connected.
Check whether the machine is properly installed and ready to connect to the network.
Installation/Settings Problems
If the problem persists, check the security settings of the wireless router.

## Cannot print RX data.

Received documents cannot be printed due to some specific situation.
Check if there has occurred one of the following situations. If messages including causes and solutions appear on the display, check the contents.
A cover is open.
There is no paper loaded.
The paper or document is jammed.
The toner cartridge is consumed.
An error has occurred.

## Cannot receive the fax. Make sure the fax was sent correctly by the sender.

The recipient's machine did not respond within 35 seconds.
Ask the sender to send the fax again. If you hear a beep, select <Start Receiving> to receive the fax.
Receiving Faxes

## Cannot send because more than one destination is specified.

Sending a fax to multiple destinations is disabled.
To specify multiple destinations, you need to set <Restrict Sequential Broadcast> to <Off> or <Confirm Sequential Broadcast>. For more information, contact your Administrator.
Prohibiting Sequential Broadcasting

## Cannot specify a group.

Group Dial was specified as a destination after tapping <Hook>.
Once you tap <Hook>, you cannot specify destinations in Group Dial. Tap <End> on the <Specify the destination.> screen, and specify destinations to send fax documents without tapping <Hook>.

## Cannot use Google Cloud Print. Server authentication failed.

Cloud Print could not perform server authentication, or could not acquire information for registration.
Check whether the date and time settings are correctly specified.
Date/Time Settings

## Cannot use Google Cloud Print. Server communication error.

Cloud Print is unavailable due to an error.
Check whether the machine is correctly connected to a wireless LAN or wired LAN.
Connecting to a Wireless LAN
Connecting to a Wired LAN
A port that is used for Cloud Print may be blocked by a firewall or other protection. Check whether the 5222 port is available with your computer.
If a proxy server is used on the network, check whether the proxy settings on the machine and the server are correct. For details, contact your Network Administrator.
Setting a Proxy

## Cannot use these settings. Sending to the specified destination is restricted.

The machine is set up so that the user currently logged in cannot send to the addresses registered in the selected <Favorite Settings>.
Change the send restrictions for the logged in user.
Setting the Department ID Management

## Cart. communication error. Use of non-Canon cartridges is not covered by the warranty. Amount remaining in the cartridge cannot be displayed correctly.

A toner cartridge may not be installed correctly or may be faulty.
Re-install the toner cartridge. If re-installing the toner cartridge fails to clear the error message, the toner cartridge may be faulty. Contact the store where you purchased the toner cartridge or consult the Canon Customer Help Center.
How to Replace Toner Cartridges
The toner cartridge used may not be a genuine Canon product.
Only genuine Canon toner cartridges should be used as replacement toner cartridges.
Consumables

## Cartridge has reached end of lifetime. Rplcmt. recommended.

The toner cartridge has reached the end of its lifetime.
Replacement of the toner cartridge is recommended.
How to Replace Toner Cartridges

## Change the authentication password.

The password has expired.
Set a new password.

## Check the authentication settings.

The authentication method set on the machine does not match the authentication method set on the RADIUS server.
Check that the same authentication method is set on this machine and the RADIUS server, and set the correct authentication method.
Configuring IEEE 802.1X Authentication

## Connection failed. Check the PSK settings.

The network key (PSK) of a wireless router to be connected is not set to the machine correctly.
Check the network key (PSK) of the wireless router, and set it to the machine again.
Checking the SSID and Network Key
Setting Up Connection by Selecting a Wireless Router
Setting Up Connection by Specifying Detailed Settings
If the problem persists even after checking the network key, check whether the machine is properly installed and ready to connect to the network.
Installation/Settings Problems

## Copying is restricted.

Copying is disabled in the Department ID Management.
Log on with a Department ID for which copying is not disabled. For the Department ID and PIN, contact your Administrator.
Setting the Department ID Management

## Could not connect using Access Point Mode.

Connection in Access Point Mode failed due to an error.
Wait a few moments and try again. If you still cannot connect, try switching the machine off briefly.
Make Direct Connection (Access Point Mode)

## Could not connect using the wireless LAN.

Wireless LAN communication failed due to an error.
Wait for a while, and set again. If you still cannot get connection, turn OFF the machine and then restart it.

## Could not connect using the wireless LAN. Turn the main power OFF and ON, then configure the settings again.

A connection failed due to an error while setting wireless LAN connection.
Restart the machine and set again.
If the problem persists even after restarting the machine, check whether the machine is properly installed and ready to connect to the network.
Installation/Settings Problems
If the problem persists even after checking the wireless LAN connection, check the security settings of the wireless router.

## Could not connect using WPS. Wait a moment, then configure the settings again.

When automatic setting with WPS was attempted, the connection failed due to an error.
Wait for a while, and set again. If the problem persists, check whether the wireless router supports WPS.
If WPS is supported:
Check whether the machine is properly installed and ready to connect to the network.
Installation/Settings Problems
If WPS is not supported:
Set using another connecting method.
Connecting to a Wireless LAN

## Could not connect. The maximum number of devices that can connect to the access point has been reached.

The machine attempted to connect to a wireless LAN router to which the maximum number of devices were already connected.
Decrease the number of devices (clients) that are connected to the wireless LAN router. For information on the maximum number of devices that can connect, see the instruction manual for the wireless LAN router or contact the manufacturer.

## Could not detect any connections from wireless devices.

It was not possible to detect any mobile device within the predetermined length of time.
Connect again paying attention to the time limit.
Make Direct Connection (Access Point Mode)

## Could not perform cleaning.

Paper jammed during cleaning.
Remove the jammed paper, set paper correctly, and perform cleaning again.
Clearing Jams
Feeder
Fixing Unit
The amount remaining in toner cartridges required for cleaning the fixing unit is insufficient.
Cleaning requires sufficient toner cartridge remaining. Replace the toner cartridge, and perform the cleaning again.
Replacing Toner Cartridges

## Could not perform correction.

Appropriate paper that is required for correction is not loaded in a paper drawer.
Load plain or recycled A4 or Letter size paper into the paper drawer.
Loading Paper in the Paper Drawer
An adjustment image that is required for correction is not placed on the platen glass correctly.
Place the adjustment image on the platen glass with the print side face down and the black line toward the back side of the machine.
Adjusting the Gradation and Density for Copy Jobs
Paper jammed during correction.
Remove the jammed paper, and perform correction again.
Clearing Jams
The amount remaining in toner cartridges required for correction is insufficient.
Corrections require sufficient toner cartridge remaining. Replace the toner cartridge, and perform correction again.
Replacing Toner Cartridges

## Could not perform Open System authentication. Check the WEP settings.

The authentication method of the machine is set to <Open System>, but that of a wireless router is set to "Shared Key."
Connect again by manually changing the WEP authentication method to <Shared Key>.
Setting Up Connection by Specifying Detailed Settings
The MAC address of the machine is rejected because the MAC address filter is set at a wireless router.
Set the wireless router to permit the MAC address of the machine and your computer. For more information about how to set, see the instruction manuals for your networking devices or contact your manufacturer. To check the MAC address of the machine, select <Menu> <Network Settings> <Wireless LAN Settings> <Connection Information>.
Viewing the MAC Address for Wired LAN

## Could not perform Shared Key authentication. Check the WEP settings.

The network key (the WEP key) of a wireless router to be connected is not set to the machine correctly.
Check the network key (the WEP key) of the wireless router, and set it to the machine again.
Checking the SSID and Network Key
Setting Up Connection by Specifying Detailed Settings
Connect again by selecting a wireless router or by manually changing the WEP authentication method to <Open System>.
Setting Up Connection by Selecting a Wireless Router
Setting Up Connection by Specifying Detailed Settings
The authentication method of the machine is set to <Shared Key>, but that of the wireless router is set to "Open System."
Change the WEP authentication method to "Shared Key" at the wireless router, and connect again. For more information about how to change, see the instruction manuals for your networking devices or contact your manufacturer.

## Direct Connection terminated.

Connection between the machine and the mobile device was terminated.
Reestablish Direct Connection.
Make Direct Connection (Access Point Mode)

## Faxing is restricted.

Faxing is disabled in the Department ID Management.
Log on with a Department ID for which faxing is not disabled. For the Department ID and PIN, contact your Administrator.
Setting the Department ID Management

## Insert the toner cartridge.

The toner cartridge is not set or properly set.
Properly set the toner cartridge.
How to Replace Toner Cartridges

## Memory full. Check error info. using the Status Monitor key.

The memory became full of print data that could not be printed due to errors.
Cancel printing of the documents with errors or print the documents by tapping <Skip Error> in the print job status screen.
Canceling Prints

## Memory Media Print is restricted.

The function that prints files in a USB memory device is disabled.
Set <Memory Media Print On/Off> to <On>.
Restricting the Memory Media Print Function

## No Paper

Paper is not loaded in the paper drawer or the multi-purpose tray.
Load the paper.
Loading Paper
Paper on which reports or lists can be printed is not loaded.
Reports or lists can be printed on plain/recycled/color paper of A4 or Letter size. Load appropriate paper, and make settings for paper size and paper type.
Loading Paper
Specifying Paper Size and Type
Paper on which received documents can be printed is not loaded.
Received documents can be printed on plain/recycled/color paper of A4 or Letter size. Load appropriate paper, and make settings for paper size and paper type.
Loading Paper
Specifying Paper Size and Type
If you print received documents on paper other than A4 or Letter size, some portions of the image may be missing or the image may be divided and printed onto several sheets.

## No reply from the destination.

A network cable may be disconnected, or there may be a problem in a switch.
Check the status of the network cables and switches.

## No response from the host.

The machine is not connected to a network correctly.
Check the machine and network settings, and connect again.
Connecting to a Network

## Paper jammed.

Paper jams.
Remove the jammed paper or document, and print again (Printing may resume automatically).
Clearing Jams

## Paper Size & Settings Mismatch

The paper size setting on the operation panel does not match the loaded paper size.
Match the paper size setting specified in <Paper Settings> and the size of the paper that is actually loaded.
To use the loaded paper
Change the setting of <Paper Settings> to match the loaded paper size.
Specifying Paper Size and Type
If printing from a computer, check whether the paper size setting in the printer driver matches the loaded paper size.
To load paper without changing the settings
Load the paper with the size that is set to <Paper Settings>.
Loading Paper
Check that the paper guides in the paper drawer are set in the correct position.
Loading Paper

## Prepare a cartridge.

Toner cartridge replacement time is near.
Distribute the toner inside the cartridge evenly. Replace the toner cartridge if you see this message before you start to print a large job.
Using Up Toner
How to Replace Toner Cartridges

When copying or printing, you can continue printing. If the machine is receiving a fax, or automatic report output is set, received faxes and reports will be stored in the machine so that they do not appear faded after they are printed. To continue printing even if the amount remaining in toner cartridge is running low, set <Continue Printing When Amount in Cartridge Is Low> to <On>. Continue Printing When Amount in Cartridge Is Low

## Printing is restricted.

Printing is disabled in the Department ID Management.
Log on with a Department ID for which printing is not disabled. For the Department ID and PIN, contact your Administrator.
Setting the Department ID Management

## Remote scanning is restricted.

Scanning that is operated by using a computer is disabled in the Department ID Management.
Log on to the Remote UI in System Manager Mode, display the edit screen of the corresponding Department ID, and select the [Allow Scan Jobs with Unknown IDs] check box.
Blocking Jobs When Department ID Is Unknown

## Scanning is restricted.

Scanning is disabled in the Department ID Management.
Log on with a Department ID for which scanning is not disabled. For the Department ID and PIN, contact your Administrator.
Setting the Department ID Management

## Set the correct authentication information.

The client authentication information (key pair and certificate, user name and password, or CA certificate) is not set correctly.
Check the specified authentication method and authentication information (key pair and certificate, user name and password, and CA certificate).
Configuring IEEE 802.1X Authentication
Verifying Key Pairs and Digital Certificates

## Set the information necessary for authentication.

The IEEE 802.1X authentication has not been configured correctly.
Configure the IEEE 802.1X correctly from the Remote UI.
Configuring IEEE 802.1X Authentication

## Specifying and registering new destinations is restricted.

Only destinations that are registered in the Address Book can be specified to send a fax or e-mail.
To enter a new destination with the operation panel, or add or edit it in the Address Book, you need to set <Restrict New Destinations> to <Off>. For more information, contact your Administrator.
Limiting Available Destinations

## The authentication server certificate has expired.

The server certificate sent from the RADIUS server has expired.
Check the valid period of the server certificate on the RADIUS server.
Configuring IEEE 802.1X Authentication

## The authentication server certificate is incorrect.

There is no CA certificate registered in the printer that is compatible with the authentication server certificate.
Check that there is a CA certificate registered in the printer that is compatible with the authentication server certificate.
Configuring IEEE 802.1X Authentication

## The cartridge needs to be replaced soon.

Toner cartridge replacement time is near.
Distribute the toner inside the cartridge evenly. Replace the toner cartridge if you see this message before you start to print a large job.
Using Up Toner
How to Replace Toner Cartridges

When copying or printing, you can continue printing. If the machine is receiving a fax, or automatic report output is set, received faxes and reports will be stored in the machine so that they do not appear faded after they are printed. To continue printing even if the amount remaining in toner cartridge is running low, set <Continue Printing When Amount in Cartridge Is Low> to <On>. Continue Printing When Amount in Cartridge Is Low

## The computer is restricted.

Scanning that is operated on the operation panel is disabled in the Department ID Management.
Log on to the Remote UI in System Manager Mode, display the edit screen of the corresponding Department ID, and select the [Allow Scan Jobs with Unknown IDs] check box.
Blocking Jobs When Department ID Is Unknown

## The image cannot be recognized.

The image you selected could not be previewed when you were selecting files to print in a USB memory device.
Images with the "?" icon cannot be previewed. JPEG or TIFF images can be previewed, but some of the images may not be able to be displayed.
Printing from USB Memory (Memory Media Print)

## The memory is full.

A fax could not be sent or received, or a document could not be scanned due to insufficient memory space.
If a sending or printing job is queued, wait until the job is completed.
If a received document is stored to memory, print or delete it.
Storing Received Faxes into Memory (Memory Reception)
If sending a document with many pages, divide it into multiple sections.
If sending a fax, reduce the resolution to scan the document.
Adjusting Resolution
If scanning, change the file format to reduce its file size.
Selecting a File Format
A scanned document could not be stored to a USB memory device due to insufficient memory space.
Delete unnecessary data to free space in the USB memory device, or connect a different USB memory device.
Scanning Documents Directly to USB Memory

## The memory is full. Enter the original type settings again.

A document could not be scanned because memory became full during copying.
Set <Original Type> to <Original Type: Text/Photo>, and copy.
Selecting Document Type

## The memory is full. Process secure print jobs.

Memory became full of secured documents that were not printed.
Print the secured documents that are stored in memory.
Printing via Secure Print

## The memory is full. Scanning will be canceled. Do you want to print?

A document could not be scanned due to insufficient memory space.
Select whether to print the pages that were scanned or cancel the job.
Copy the document in two or more parts.
Not all of the pages could be scanned during sorting and copying.
Select whether to print the pages that were scanned or cancel the job.
If this is a copy job, either copy the document in two or more parts or change the <Original Type> setting to <Text/Photo> and then copy the document.
Selecting Document Type

## The number of entered characters is incorrect or invalid characters are used.

The network key (the WPA/WPA2-PSK or WEP key) of a wireless router is not entered correctly.
Check the network key (the WPA/WPA2-PSK or WEP key) of the wireless router, and set it to the machine again. For more information about how to check the network key, see the instruction manuals for your networking devices or contact your manufacturer.
Checking the SSID and Network Key
Setting Up Connection by Selecting a Wireless Router
Setting Up Connection by Specifying Detailed Settings

## The USB memory is restricted.

The function that stores a scanned document to a USB memory device is disabled.
Set <Store to USB Memory> to <On>.
Restricting the Scan to USB Function

## The WEP key is not set correctly. Check the WEP settings.

The network key (the WEP key) of a wireless router to be connected is not set to the machine correctly.
Check the network key (the WEP key) of the wireless router, and set it to the machine again.
Checking the SSID and Network Key
Setting Up Connection by Selecting a Wireless Router
Setting Up Connection by Specifying Detailed Settings
The authentication method of the machine is set to <Shared Key>, but that of the wireless router is set to "Open System."
Connect again by selecting a wireless router or by manually changing the WEP authentication method to <Open System>.
Setting Up Connection by Selecting a Wireless Router
Setting Up Connection by Specifying Detailed Settings
Change the WEP authentication method to "Shared Key" at the wireless router, and connect again. For more information about how to change, see the instruction manuals for your networking devices or contact your manufacturer.

## Use of non-Canon cartridges is not covered by the warranty. The amount remaining in the cartridge cannot be displayed correctly.

The toner cartridge used may not be a genuine Canon product.
Only genuine Canon toner cartridges should be used as replacement toner cartridges.
Consumables

## Use Remote UI to set the information necessary for authentication.

The IEEE 802.1X settings are incorrect.
Check whether [Login Name] is set correctly.
Check whether the [Use TLS], [Use TTLS], or [Use PEAP] check box is selected.
If using TLS, check whether a key pair is registered.
If using TTLS or PEAP, check whether a user name and password are set correctly.
Configuring IEEE 802.1X Authentication
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