Visioneer STROBE 500 - Manual (Page 109)

102 V ISIONEER S TROBE 500 S CANNER U SER ’ S G UIDE
10. Press down on the lever to lock the roller in place.
The lock will “click” into place when it is secure. However, if it does
not rotate easily into the housing, make sure the flange is properly
seating in its latch.
11. Close the rear cover when you’re finished.