Canon imagerunner C5180 Service Manual page 315

Chapter 9
F-9-117
Points to Note When Attaching the Toner
Container Drive Assembly Upper Plate
When attaching the top plate, check to attach the
edge of the idler gear [1] after matching it against the
hole [2] in the top plate and the hole [3] in the bottom
plate.
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9-74
F-9-119
F-9-120