Chapter 77-15F-7-417.12.1.7 Removing the Toner Cartridge Cover 0007-8346iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N // iR4570N / iR2230 / / / iR3530 /1) Remove the 2 screws [1]; then, detach the toner bottle cover [2].F-7-427.12.1.8 Removing the Pre-Exposure Lamp 0007-8347iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N // iR4570N / iR2230 / / / iR3530 /1) Open the 2 wire saddles [1], and disconnect the 2 relay connectors [2].F-7-432) While freeing the lock [1] toward the right, detach the pre-exposure lamp[2].F-7-44F-7-457.12.2 Drum Unit7.12.2.1 Removing the Front Cover Unit 0007-8023iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N // iR4570N / iR2230 / / / iR3530 /1) Open the front cover [1].F-7-462) Remove the face cover rubber [1].3) Remove the binding screw [2].4) Remove the RS tightening screw [3].5) Detach the front cover unit [4] by moving it in the direction of the arrow.F-7-477.12.2.2 Removing the Waste Toner Case 0007-8030iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N // iR4570N / iR2230 / / / iR3530 /1) Remove the waste toner case [1].F-7-48