Open the Scanning Unit (Cover) and install the Installing / Replacing FINE Cartridge( s ) If the error is not resolved, the FINE Cartridge may be damaged.
An Error Message Is Displayed on the LCD Open the Scanning Unit (Cover) and Replacing / Installing FINE Cartridge( s ) If the error is not resolved, the FINE Cartridge may be damaged.
With this operation, the printer will stop monitoring the remaining ink level for the ink tank( s ) in question. Please be advised that Canon shall not be liable for any machine malfunction or damage caused by refilled ink tanks.
Sample Wireless Flash System You can easily set up an E-TTL autoflash system with the 550EX, ST-E2 or MR-14EX as the sender unit and the 420EX as the receiver unit. Just set the 420 EX's wireless selector to <receiver> and position the receiver unit( s ) as desired within the wireless transmission range
