Chapter 99-3T-9-29.4 Parts Replacement Procedure9.4.1 Main Drive Assembly9.4.1.1 Removing the Drum Unit 0011-0050iR2016J / 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-9-6- 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.9.4.1.2 Removing the Rear Cover 0011-0051iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i1) Remove the four screws [1], and then detach the rear cover [2].F-9-79.4.1.3 Removing the Left Cover (Rear) 0011-0052iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i1) Remove the three screws [1], and then detach the left cover (rear).F-9-89.4.1.4 Removing the Main Motor 0011-0053iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i1) Disconnect the connector [1], remove three screws [2], and then removethe main motor [3].F-9-99.4.1.5 Removing the Registration Clutch 0011-1524iR2016J / iR2016 / iR2020 / / iR2016i / iR2020i1) Disconnect the connector [1], and then remove the harness from the threewire saddles [2].2) Remove the resin ring [3], and then remove the registration clutch [4].F-9-10Output 24V 5V 5VR 3.3V 3.3VRRated output voltage 24V 5.1V 5.1V 3.4V 3.4VOutput voltage tolerance +10%ÅA-5% +3%ÅA-4% +3%ÅA-4% +3%ÅA-3% +3%ÅA-3%Rated output current 5.5A 1.0A 2.0A 2.5A 1.0AOvercurrent protection trigger current 8.0A 2.5A 4.0A 5.0A 2.0AOvervoltage protection trigger voltage 32.5V 8.0V 8.0V 5.5V 5.5V[2][1][3][4][1][2][1][2][1][2][1] [3][1] [4][2] [3]
