You need to get the inner finisher off and out of the way, then the horizontal metal cover plate under the finisher (not shown in your picture). The...
Ah yes, completely forgot about this issue and I've had to lube dozens of those plastic shafts that the gears ride on. That and noisy exit rollers on...
I have been installing and servicing i-series for 5 years next month and they are no different than the rough start the 8 series had with all the HDD...