Canon iR4570 Series Service Manual page 335

1. Increase in Speed for Pickup Operation
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 for Reversal
The speed is 3.4 times as high as the process speed (no increase if for delivery to tray 3).
- Finisher-Q3/Q4 in Use
F-8-17
Chapter 8
[2]
[1]
8-19