LCD Error Messages - MX420
Article ID: ART109274 | Date published: 05/11/2015 | Date last updated: 04/28/2020
 

Description

This article provides information on messages that may appear on the LCD of your PIXMA MX420.


 

Solution

If an error message is displayed on the LCD, take the corresponding action described in the chart below.

 

In addition, the following button pushes are valid when an operator call error occurs:

- ON button: To turn the printer off and on again.

- OK button: To clear and recover from an error. In some operator call errors, the error will automatically be cleared when the cause of the error is eliminated, and pressing the OK button may not be necessary.

- Stop button: To cancel the job at error occurrence, and to clear the error.

Fax related messages

 

Message

Action

Print head is not installed. Install the print head. U051

The type of print head is incorrect. Install the correct print head. U052

The following ink cartridge cannot be recognized. U053/U059

The FINE Cartridge may not be installed properly, or the Cartridge may not be compatible with this printer.

Open the Scanning Unit (Cover) and install the appropriate FINE Cartridge. After that, push the Ink Cartridge Locking Cover until it clicks into place, then close the Scanning Unit (Cover).

If the error is not resolved, the FINE Cartridge may be damaged.  Replace the FINE cartridge.

If the error persists after replacing the cartridge, the printer will require servicing.

If your product issue was not resolved after following the steps above, or if you require additional help, please create or log in to your Canon Account to see your technical support options.

Or if you still need help, visit our Canon Community by clicking the button below to get answers:

Link to Canon Community Forum








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Some ink cartridges are not installed in place U075/U076

Make sure that each FINE Cartridge is installed in the correct position.

The following ink cartridge cannot be recognized U140

Appropriate FINE Cartridge is not installed.

Printing cannot be executed because the FINE Cartridge is not compatible with this printer.

Install the appropriate FINE Cartridge.

If you want to cancel printing, press the printer's Stop button.

The following ink cartridge cannot be recognized U150

The FINE Cartridge may not be installed properly.

Open the Scanning Unit (Cover) and install the appropriate FINE Cartridge.

 

The ink may have run out. Replacing the ink cartridge is recommended U162

The ink may have run out.

The function for detecting the remaining ink level will be disabled since the ink level cannot be correctly detected.

If you want to continue printing without this function, press the printer's Stop button for at least 5 seconds.

Canon recommends to use new genuine Canon cartridges in order to obtain optimum qualities.

Please be advised that Canon shall not be liable for any malfunction or trouble caused by continuation of printing under the ink out condition.


 Note
  • If the function for detecting the remaining ink level is disabled, the ink cartridge in grey is displayed in the remaining ink volume screen on the LCD.
     

  • Since the information contained in the fax may be lost if it is printed in this condition, the received fax will not be printed and will be stored in memory until the ink cartridge is replaced. You must manually print out faxes that were stored in memory. You can change the setting so that the received fax is forcibly printed out instead of being stored in memory, but all or part of the fax information may not be printed because of the ink out condition.

The Ink has run out. Replace the ink cartridge U163

The ink has run out.

Replace the ink cartridge and close the Scanning Unit (Cover).

If printing is in progress and you want to continue printing, press the printer's Stop button for at least 5 seconds with the ink cartridge installed. Then printing can continue under the ink out condition.

The function for detecting the remaining ink level will be disabled.

Replace the empty ink cartridge immediately after the printing. The resulting print quality is not satisfactory, if printing is continued under the ink out condition.


 Note

  • If the function for detecting the remaining ink level is disabled, the ink cartridge in grey is displayed in the remaining ink volume screen on the LCD.

  • Since the information contained in the fax may be lost if it is printed in this condition, the received fax will not be printed and will be stored in memory until the ink cartridge is replaced. You must manually print out faxes that were stored in memory. You can change the setting so that the received fax is forcibly printed out instead of being stored in memory, but all or part of the fax information may not be printed because of the ink out condition.
Data of supported types are not saved There is no image data or document saved on the memory card or USB flash drive that can be read by this printer.The printer may not recognize the file if the file name or folder path contain certain characters. Use only alphanumeric characters. Photo data edited or processed on a computer must be printed from the computer.

 Note
  • When a photo which has been processed on a computer is selected, a "?" is displayed on the LCD.
Cannot print the specified PDF file. The format is not supported or the file is too large

Make sure the PDF file is printable from a memory card or USB flash drive.

REFERENCE

The names of the PDF files are displayed even though they cannot be printed from the memory card or USB flash drive. It is recommended you confirm whether they are printable. If one of the following conditions applies to the PDF files, they are not printable.

- The [ Details ] screen is not displayed for the PDF file you want to print.
- Characters other than printer name or [ MP Navigator EX ] are displayed on [ Created with ] on the [ Details ] screen.
- "?" is displayed on the preview screen.

Data edited or processed on a computer must be printed from the computer.
The specified PDF file contains unprintable data. Some portions may not be printed PDF file which contain lot of graphics or hi-resolution images may lose that data or stop before printing is completed. In this case, print from the computer.

The ink absorber is almost full. Press OK to continue printing. Contact the service center

The ink absorber is almost full.

Press the printer's OK button to continue printing.

When the ink absorber is full, the printer will require servicing.

If your product issue was not resolved after following the steps above, or if you require additional help, please create or log in to your Canon Account to see your technical support options.

Or if you still need help, visit our Canon Community by clicking the button below to get answers:

Link to Canon Community Forum








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Printer error has occurred

A printer error has occurred.

Timeout error has occurred

Press [OK]

Some errors occurred while copying and a certain time passed.

Press the OK button to dismiss the error, and try to copy again.

Incompatible device detected. Remove the device

  • Check the device connected to the Direct Print Port. Printing photos directly is possible with a PictBridge compliant device or the optional Bluetooth Unit BU-30.
     

  • A communication time out occurs if an operation takes too long or if it takes too much time to send data. This may cancel printing. In such cases, disconnect and reconnect the USB cable.
    When printing from a PictBridge compliant device, depending on the model or brand of your device, you may have to select a PictBridge compliant print mode on the device before connecting it to the printer. You may also have to turn on your device or select Play mode manually after connecting the device to the printer. Perform necessary operations before connecting your device referring to its instruction manual.
    If the error is still not resolved, check if you can print another photograph.

Failed to scan the head alignment sheet

Check orientation/position and check that platen/sheet is clean

Scanning the print head alignment sheet has failed.

Press the OK button to dismiss the error, then take the actions described below.
 

  • Make sure that the print head alignment sheet is set in the correct position and orientation on the Platen Glass.
     

  • Make sure the Platen Glass and the print head alignment sheet are not dirty.
     

  • Make sure the type and size of loaded paper is suitable for Automatic Print Head Alignment.

    For Automatic Print Head Alignment, always load one sheet of A4 or letter-sized plain paper.
     

  • Make sure if Print Head nozzles are clogged.

    Print the nozzle check pattern to check the status of the Print Head.


If the error is not resolved, connect the printer to the computer and align the Print Head on the printer driver.

An unsupported USB hub is connected. Remove the hub

If a PictBridge compliant device is connected via a USB hub, remove the hub and connect it directly to the printer.

B200 Printer error has occurred. Unplug the power cord and contact the service center

You may be able to recover from this error by replacing the ink cartridges.

 Learn more about troubleshooting this error.

****Printer error has occurred Turn off power then back on again. If problem persists, see the manual

Note

The "****" refers to an alphanumeric error code, for example 5B00


 

"****" is displayed in the alphanumeric character and depends on the error occurred.

For example: 5B00, 6800, 5700, etc.

 

  • 5100 is displayed:

    Cancel printing, turn off the printer. Then clear the jammed paper or protective material that is preventing the FINE Cartridge Holder from moving, and turn on the printer again.


     Important

    • Be careful not to touch the components inside the printer. The printer may not print out properly if you touch it.
       

  • 5200 is displayed:

    The ink carridge is defective or empty. Replace the ink cartridge with a new one.

    Instructions to replace the ink cartridge.

    If replacing the ink cartridge does not clear the error:

    Turn off the printer, and unplug the power cord of the printer from the power supply.

    Plug the printer back in and turn the printer back on.

     


     
  • In other cases:

Turn off the printer, and unplug the power cord of the printer from the power supply.

Plug the printer back in and turn the printer back on.

​ Important

  • If you disconnect the power plug, all the faxes stored in the printer's memory are deleted.

Load paper

Load paper and press [OK]

Reload the paper correctly and press the OK button.


 Note

  • When sending faxes before printing out received data, press the Stop button to resolve the error. After you press the Stop button to resolve the error, ensure to press the FAX button in order to print out data remained in memory.

Document in ADF. Check document in ADF, then press OK and redo operation

The document is jammed in the ADF. Remove the document page jammed in the ADF, then press the OK button. Operate again after resolving the error.

Document size is too long. Check document in ADF, then press OK and redo operation


 

The document is too long or is jammed in the ADF.

Remove the document page jammed in the ADF, then press the OK button. After resolving the error, make sure that the document you are loading meets the printer's requirements before redoing the operation.
Check the page size and Press [OK] Paper other than A4, Letter, or Legal-sized paper or 8.5 x 14 inches paper is loaded.

Load A4, Letter, or Legal-sized paper or 8.5 x 14 inches paper.

Paper output tray is closed. Open the paper output tray and press OK

Open the Paper Output Tray, then press the OK button.
The card is currently writable from PC. Set to [Not writable from PC] The Card Slot is set to [ Writable from USB PC ] or [ Writable from LAN PC ].
You cannot print from the memory card or save the scanned data to the memory card when the Card Slot is set to [ Writable from USB PC ] or [ Writable from LAN PC ]. After writing on the memory card, select [ Not writable from PC ] in [ Read/write attribute ] under [ Device user settings ].
Power was not turned off correctly the last time. Press the ON button when turning power off The power cord may have been unplugged last while the printer was still on.
Press the OK button to dismiss the error
The power cord has been unplugged and unsent/received docs in memory has been lost. Load paper and press the OK to print a list of the lost docs A power failure has occurred or the power cord has been unplugged when the faxes are stored in the printer's memory.

​ Important
  • If a power failure occurs or you unplug the power cord, all faxes stored in the printer's memory are deleted.

Press the OK button.
After pressing the OK button, the list of the faxes deleted from the printer's memory will be printed.
 

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Fax related messages

Message

Action

Auto redial

The printer is waiting to redial the recipient's number because the line was busy or the recipient did not answer when you tried to send a document. Wait for the printer to automatically redial the number. If you want to cancel automatic redialing, wait until the printer starts dialing the number, then press the Stop button. You can also delete the document from memory to cancel automatic redialing.
This group dial cannot be used. Coded speed dial ## * "##" represents a two-digit number.
You selected a coded speed dial code to which a group is registered with the Hook button pressed.
A coded speed dial code to which a group is registered cannot be used in this way.

Replace the receiver

The handset is not placed in the handset cradle correctly.
Replace the handset correctly.

Try again in black & white

The recipient's fax printer is not color-compatible.
Press the Black button to resend the fax. Alternatively, you can set Color transmission to If incompatible, B&W.

Failed to connect

The telephone line cable with a modular plug may not be plugged in properly.
Make sure that the cable is plugged in properly, and resend the fax after a while. If you still cannot send the fax, set Dial tone detect to OFF.

Received in memory

If the printer receives a fax under one of the following conditions, the printer will not be able to print the received fax and will store it in its memory. When the problem is resolved as described, the fax stored in memory is printed automatically.

  • Ink has run out:
    Replace the FINE cartridge.


     Note

    • You can set the printer to forcibly print a received fax even if the ink has run out.
      However, part or all of the fax may not be printed since the ink has run out.
      Also, the contents of the fax will not be stored in memory.
      If the ink has already run out, we recommend that OFF be selected for Auto print in FAX user settings to store the received fax in memory and print the fax manually after replacing the FINE Cartridge. After you replace the FINE Cartridge and select ON for Auto print, the fax stored in memory will be printed automatically.

       

  • Paper has run out:
    Load the paper and press the OK button.
     

  • A different size of paper from that specified by Page size is loaded:
    Load the same size of paper as that specified by Page size, then press the OK button.
     

  • Page size is set to other than A4, 8.5"x11"(LTR), or Legal (or 8.5"x14"):
    Set Page size to A4, 8.5"x11"(LTR), or Legal (or 8.5"x14").
     

  • Media type is set to other than Plain paper:
    Set Media type to Plain paper.
     

  • You pressed the Stop button to cancel printing of a fax:
    Press the FAX button.


 Note

  • To print the received faxes automatically, select ON for Auto print in FAX user settings.
     

  • When OFF is selected for Auto print in FAX user settings, print the faxes stored in memory from the Memory reference screen.
     

  • If you did not print the fax stored in memory (e.g., if you did not resolve the problem by pressing the Stop button), you can delete or print the fax stored in memory later.

Busy/no signal

  • The telephone number you dialed is busy.
    Try dialing again after waiting for a moment.
     

  • The fax number dialed is incorrect.
    Check the fax number and dial again.
     

  • The recipient's fax printer did not respond (after all automatic redialing attempts).
    Contact the recipient and have the recipient check the fax printer. For an overseas call, add pauses to the registered number.
     

  • The recipient is not using a G3 printer.
    The printer cannot send or receive documents to/from a fax printer that is incompatible with the G3 standard. Contact the recipient and ask the recipient to check whether the fax printer is G3 compatible.
     

  • The touch tone/rotary pulse setting on the printer is incorrect.
    Set the printer to match the telephone line you are using.

Memory is full

  • The printer's memory is full because it has sent/received too many documents, or a detailed document.
     

  • When sending a fax, divide it to resend.
     

  • When receiving a fax, print the received faxes stored in printer's memory or save them on the memory card/USB flash drive, delete them from the printer's memory, and have the sender resend the faxes.

Awaiting document processing

The received faxes were not saved on the memory card / USB flash drive automatically because the memory card / USB flash drive was not inserted or because it was not writable. Press the OK button.

The received faxes are stored in printer's memory. Insert the writable memory card / USB flash drive, then save the received faxes to the memory card / USB flash drive manually.

Delete the unnecessary fax from printer's memory after saving to the memory card / USB flash drive.

Change the paper
A4/LTR/Legal Plain paper

The page size setting is set to a size other than A4, Letter-, or Legal-size. Set Page size to A4, 8.5"x11"(LTR), or Legal (or 8.5"x14") and Media type to Plain paper to print received faxes.

* Legal may not be available depending on the country or region of purchase.

RX FAX INFO MISMATCH **

Transmission has been canceled because the printer could not detect the recipient's fax printer information or the information did not match the dialed number. This message is displayed when Check RX fax info is set to ON.

**Message appears on error report, not LCD

Reception rejected

Reception has been rejected because the fax matches the fax rejection condition specified by Fax reception reject.

Waiting for report output...

If the printer receives a fax under one of the following conditions, the printer will not be able to print the reports. When the problem is resolved as described, the reports are printed automatically.

The amount of remaining ink is insufficient to print a report:
Check the ink level and take the appropriate action.

Paper has run out:
Load the paper and press the OK button.

A different size of paper from that specified by [ Page size ] is loaded:
Load the same size of paper as that specified by [ Page size ], then press the OK button.

[ Page size ] is set to other than [ A4 ], [ Letter ], or [ Legal ]:
Set [ Page size ] to [ A4 ], [ Letter ], or [ Legal ].

[ Type ] is set to other than [ Plain paper ]:
Set [ Type ] to [ Plain paper ].

You pressed the Stop button to cancel printing of a report:
Press the FAX button to resume printing of the report.
 

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