Canon imageRUNNER ADVANCE 6055 Maintenance Manual page 111

Load staples.
Cause There are no staples in the staple cartridge of the Staple Finisher or Booklet Finisher stapler unit.
Remedy Replace the staple cartridge of the Staple Finisher or Booklet Finisher stapler unit. (See "Replacing the Staple Cartridge in the
Stapler Unit, " on p. 1-27.)
Check the punch waste tray.
Cause The punch waste tray of the External 2/3 Hole Puncher is full or almost full.
Remedy Remove the punch waste in the punch waste tray of the External 2/3 Hole Puncher. (See "Removing Punch Waste, " on p. 1-34.)
Load staples into the saddle stitcher unit.
Cause There are no staples in the staple cartridge of the Booklet Finisher saddle stitcher unit.
Remedy Replace the staple cartridge of the Booklet Finisher saddle stitcher unit. (See "Replacing the Staple Cartridge in the Saddle Stitcher
Unit, " on p. 1-31.)
The Dept. ID or PIN is incorrect.
Cause The Department ID and password you entered are not registered.
Remedy Contact the system manager of your Department for the correct Department ID and password.
The hard disk needs to be replaced. (Call service rep.)
Cause The hard disk is not functioning properly, or is not attached.
Remedy1 Contact your local authorized Canon dealer.
Remedy2 If the Removable HDD Kit is installed, check the hard disk.
List of Error Messages 2-53
2