Did this document help solve your problem?
How to Remove the Scan Unit Shipping Retainer or Carrier Bracket
Scanner is locked
How to remove the Scan Unit Shipping Retainer or Carrier Bracket; OptraImage 232; OptraImage 433; Retainer screw removal; Unlock position
Scan units are locked during shipping to protect the scanning mechanism from damage.
You must unlock the scan unit before using it.
Please enter the email address you would like to send a copy of this page to.