Canon PowerShot SX400 IS Black Manual (en)

A camera error was detected (error number)
If this error message is displayed immediately after a shot, the image 
may not have been saved. Switch to Playback mode to check for the 
Frequent display of this error message may indicate camera damage. 
In this case, write down the error number (Exx) and contact a Canon 
Customer Support Help Desk.
File Error
Correct printing (
cameras or images that have been altered using computer software, 
even if the camera is connected to the printer.
Print error
Check the paper size setting (
when the setting is correct, restart the printer and complete the setting 
on the camera again.
Ink absorber full
Contact a Canon Customer Support Help Desk to request assistance 
with ink absorber replacement.