Chapter 44-8F-4-214.2.4.10 Post-Registration Roller Paper 0011-2680Do not use a solvent (alcoholfamily or ketone family) to clean the prism face. It is made of acrylic resin, and contact with solvent can discolor it, adversely affectingits operation.1) Open the pickup upper cover.2) Remove the reversing guide.3) Clear the surface of the prism of the post-registration roller paper sensor.F-4-224.2.4.11 Reversal Paper Sensor 0011-26831) Remove the reversing guide.2) Remove the two screws [1], and detach the reversal sensor [2].F-4-233) Clean the filter face of the reversal sensor [2] using a blower brush.Surfaces to cleanSurfacesto clean[1][1] [2]