Clean the SaddleStitcher SD-506 - Conveyance belt - Conveyance belt.
If the Conveyance belt is dirty, the output paper can become dirty.
It is recommended that you clean the tray before each use. Be sure to quickly clean the Conveyance belt if it becomes dirty during use.
Gently lift both of the Conveyance belt with your hands and, at the same time, pull them out so that you reveal the sections which haven't been cleaned yet.
Apply some cleaning alcohol to a soft cloth and wipe clean the Conveyance belt.
Repeat Steps 3 and 4 around three times to ensure that the entire circumference of the belt is clean.
Apply some cleaning alcohol to a soft cloth and wipe clean the entire bottom surface.