Chapter 44-144.4 Parts Replacement Procedure4.4.1 Copyboard glass4.4.1.1 Removing the Copyboard glass 0010-4295iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i1) Open the copyboard cover (or ADF).2) Remove the two screws [1], remove the glass retainer [2], and thenremove the copyboard glass [3].F-4-29When removing the copyboard glass, take care not to touch thefollowing:- Glass surface- Standard white plateDirt on these parts can show up as white/black lines in the image. If dirt isfound, remove it with lint-free paper moistened with alcohol.F-4-30F-4-314.4.1.2 Removing the ADF Reading Glass 0010-4296iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i1) Open the copyboard cover (or ADF).2) Remove the two screws [1], and then remove the glass retainer [2].3) Remove the ADF reading glass [3].F-4-32- When removing the ADF reading glass, take care not to touch the glasssurface. Dirt on these parts can show up as white/black lines in the image.If dirt is found, remove it with lint-free paper moistened with alcohol.- When installing the ADF reading glass, position the cut portion [1] of theADF reading glass sheet at the front-left corner.F-4-334.4.2 Reader Controller PCB4.4.2.1 Removing the Rear Cover 0010-6089iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i1) Remove the four screws [1], and then detach the rear cover [2].F-4-344.4.2.2 Removing the Right Cover (Lower) 0010-6090iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i1) Open the front cover.2) Remove the five screws [1]. Remove the two hooks [2], and then detachthe right cover (lower) [3].[1][2][3][3][1][2][1][1][2][1]
