![Canon Knowledge Base - The Head Cover does not open while the LED displays the message for replacing the ink cartridge - MG4120 Canon Knowledge Base - The Head Cover does not open while the LED displays the message for replacing the ink cartridge - MG4120](https://support.usa.canon.com/library/attachments/CanonUSA/TroubleshootingContents/Images/Global/G0120568.png)
Canon Knowledge Base - The Head Cover does not open while the LED displays the message for replacing the ink cartridge - MG4120
![Canon Knowledge Base - The Head Cover does not open while the LED displays the message for replacing the ink cartridge - MG4120 Canon Knowledge Base - The Head Cover does not open while the LED displays the message for replacing the ink cartridge - MG4120](https://support.usa.canon.com/library/attachments/CanonUSA/TroubleshootingContents/Images/Global/G0120569.png)
Canon Knowledge Base - The Head Cover does not open while the LED displays the message for replacing the ink cartridge - MG4120
![faq-0000bd1-xp4100_4105 | SPT_C11CG33202 | Epson XP-4105 | XP Series | All-In-Ones | Printers | Support | Epson US faq-0000bd1-xp4100_4105 | SPT_C11CG33202 | Epson XP-4105 | XP Series | All-In-Ones | Printers | Support | Epson US](https://files.support.epson.com/faq/images/Docs/scanner_unit_open_xp4100.jpg)
faq-0000bd1-xp4100_4105 | SPT_C11CG33202 | Epson XP-4105 | XP Series | All-In-Ones | Printers | Support | Epson US
![Canon Knowledge Base - The Head Cover does not open while the LED displays the message for replacing the ink cartridge - MG4120 Canon Knowledge Base - The Head Cover does not open while the LED displays the message for replacing the ink cartridge - MG4120](https://support.usa.canon.com/library/attachments/CanonUSA/TroubleshootingContents/Images/Global/G0120570.png)