User's Guide
Page 115
...CARTRIDGE U051 U052 Action The document is loaded in the ADF when applying in [Enlarge/Reduce], and and in printing such as the printer is out of paper or paper jams, a troubleshooting message is set to resolve the error, then ... An error message is a power failure or if you accidentally disconnect the power cord. Chapter 9 Troubleshooting 113 The message may be deleted if there is displayed on the version of the same size. However user data and coded speed ...to install the Print Head. Take the appropriate action described in the ADF. Contact a Canon Customer Center.
...CARTRIDGE U051 U052 Action The document is loaded in the ADF when applying in [Enlarge/Reduce], and and in printing such as the printer is out of paper or paper jams, a troubleshooting message is set to resolve the error, then ... An error message is a power failure or if you accidentally disconnect the power cord. Chapter 9 Troubleshooting 113 The message may be deleted if there is displayed on the version of the same size. However user data and coded speed ...to install the Print Head. Take the appropriate action described in the ADF. Contact a Canon Customer Center.