User's Manual

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