3. As it rotates counterclockwise by the M2, the delivery roller turns the paper around. The
reversed paper is fed to the duplex delivery unit by the guide at the reverse unit.
Figure 5-64.
Reverse control
Duplex feed mode
The printer has the following 3 different feed modes for duplex printing. The possible feed
modes depend on the print mode and paper size.
1. 1 sheet feed: Print 1 sheet two-sided page in 1 duplex print operation.
2. 2 sheets feed: Print 2 sheets two-sided page in 1 duplex print operation.
3. Alternate feed: Print two-sided sheets while retaining 3 sheets in process inside the
printer during duplex print operation.
The table below shows the conditions of available duplex feed.
194 Chapter 5 Theory of operation ENWW