Canon 1100 Reference Manual page 164

Attach the Paper Deck to the main unit.
Cause
Remedy : Attach the paper deck (option) firmly to the main unit.
Best size A4 is not loaded.
Cause
Remedy : Load paper of the indicated size, or select another paper size. (See 'Loading
Cannot staple this many sheets.
4
Cause
Remedy : Check the number of copies specified, and reduce the number if it exceeds the
Check the stapler unit.
Cause
Remedy : Check if a staple jam has occurred. (See 'Removing Jammed Staples', on p. 5-66.)
Cleaning the drum...
Cause
Remedy : Wait for a while.
Cleaning the feeder...
Cause
Remedy : Wait for a while. To cancel Feeder Cleaning, press [Cancel]. (See 'Cleaning the
4-30
Touch Panel Display Messages
: The paper deck (option) is not attached properly to the main unit.
: There is no paper that matches the optimal copy size in any of the paper feeding
locations.
Paper', on p. 3-2.)
: The number of output sheets exceeded the bin's stapling capacity.
maximum stapling capacity. For information on the maximum number of sheets that
can be stapled together for the different paper sizes and types, see 'Staple-sort
Function', on p. 5-40.
: The stapler unit is not functioning properly.
If the stapler sorter (option) does not return to its normal condition, contact your
service representative.
: The transfer drum is being cleaned.
: The feeder (option) is being cleaned.
Feeder', on p. 2-42.)