Chapter 99-23F-9-1219.5.5.6 Releasing the Locking Plate 0007-7927iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N // iR4570N / iR2230 / / / iR3530 /1) Turn the locking gear [1] in the direction of the arrow to release thelocking roller.F-9-1222) Remove the 2 screws [1].F-9-123Do not touch the screw [1] used to keep the fixing assembly in place. Turningthe screw will change the pressure of the fixing assembly, which cannot beadjusted in the field, necessitating the replacement of the fixing assembly.F-9-1243) Turn the locking plate [1] in the direction of the arrow to release it.F-9-1259.5.5.7 Removing the Fixing Film Unit 0007-7929iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N // iR4570N / iR2230 / / / iR3530 /1) While pushing down the release lever (front) [1], pull out the heatercontact [2].F-9-1262) While pushing down the release lever (rear) [1], pull out the heater contact[2].F-9-1273) Remove the screw [1], and free the AC harness [2].