SCANNER hp Color 9850mfp B. Procedure for reinstallation 1. Set the exposure unit [1] into the engine. [2] [1] [4] 2. Move the V-mirror unit [2] to the paper exit side, and pass an optical positioning jig [3] through each of the exposure unit [1] and the V-mirror unit [2] from the front side. Note: • When reinstalling the exposure unit, be sure to use the optical positioning jig. 3. Fasten the exposure unit [1] with 2 screws [4]. 4. Remove 2 optical positioning jigs [3]. 5. For the subsequent steps, reinstall the parts fol- lowing the removal steps in reverse. [4] [3] III DIS./ASSEMBLY 3-18