The speed is 1.5 times as high as the process speed (no increase if for manual feed pickup/in the case of the 1st sheet from cassette 1, accelerates to about twice
as fast).
[2] Increase in Speed After Fixing
The speed is 2.5 times as high as the process speed.
[3] Increase in Speed for the Buffer Path
The speed is 2.5 times as high as the process speed (no increase if for delivery to saddle).
[4] Increase in Speed for Reversal
The speed is 3.4 times as high as the process speed. (no increase if for delivery to copy tray).