Canon imagePROGRAF iPF9400S - Manual (Page 700)

Weight
a Weight Roll (7)
Weights required when rewinding rolls. Use one roll or combine two (with a Weight Joint), depending on the roll
width.
b Weight Joint
Fastens two Weight Roll.
c Weight Flange (2 Sets)
Attached to the ends of Weight Roll to adjust the weight. Use Weight Flange 1 or Weight Flange 2, depending on
the type of paper. (See "Loading the Rewind Spool on the Media Take-up Unit.")
→P.580
Media Take-up Unit iPF9400S
User's Guide
Printer Parts
Printer parts
700