Duplex Unit Not Detected
The duplex unit is not attached correctly. Follow the procedure below to attach the duplex unit correctly.
If the bypass tray is attached to the machine, detach it.
Lock the lever for attaching the duplex unit.
If you have detached the multi bypass tray, reattach it.
Even if you are not duplex printing, the duplex unit must be attached. Otherwise printing will not start.
