Chapter 88-178.4.4 Fixing Delivery Sensor8.4.4.1 Removing the Drum Unit 0010-9950iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i1) Open the front cover [1].2) Turn the developing assembly locking lever [2] clockwise to open the leftdoor [3].3) Draw out the drum unit [4].F-8-71- When attaching or detaching the drum unit, open the left door fully to pre-vent the damage to the drum unit.- To prevent exposure of the drum, cover the drum unit with a few sheets ofpaper and place it in a safe place.8.4.4.2 Removing the Rear Cover 0010-9951iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i1) Remove the four screws [1], and then detach the rear cover [2].F-8-728.4.4.3 Removing the Left Cover (Rear) 0010-9952iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i1) Remove the three screws [1], and then detach the left cover (rear).F-8-738.4.4.4 Removing the Left Door 0010-9954iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i1) Remove the screw [1] securing the door support band. Remove theconnector [2] and reusable band [3], and release the duplex unit harnessfrom the wire saddle [4].F-8-742) Open the left door until it sops and pull out the hinge shaft [1].MEMO:When a duplex unit (option) is installed, remove it before pulling out thehinge shaft for each access.F-8-753) Lift the left door with both hands to release it from the door rotation shaft[1], and then remove the left door.[2][1][3][4][1][2][1][2][1][1][2][3] [4][1]
