Canon imageRUNNER ADVANCE C5000 Series Technical Workbook page 114

Model Serial Numbers
Staple Finisher-B1 FKU18211
Booklet Finisher-B1 FLG57847
Cause
Due to the warpage of the shaft of the U. Paper Face Sensing Flag [1], the U. Paper Face Sensing Flag [1]
was not detected by the Paper Face Sensor [4] even after being pressed by the Tray 1 [2] or the Tray 2 [3]
resulting in 110F Jam. Several occurrences of 112F Jam result in E540-8002/E542-8002.
Field Remedy
Follow the procedure below to attach 1 sheet of the newly setup Sheet (4Y3-3015-000) to the tray cover
(upper) & the tray cover (lower) respectively. 2 sheets are required per finisher.
1) Move the Tray 1 [2] & the Tray 2 [3] of the finisher upward to remove the 10 screws of the Grate-shaped
Lower Guide.
pg. 112