Chapter 99-19F-9-933) Turn the locking plate [1] in the direction of the arrow to release it.F-9-949.5.4.7 Removing the Fixing Film Unit 0007-7909iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N // iR4570N / iR2230 / / / iR3530 /1) While pushing down the release lever (front) [1], pull out the heatercontact [2].F-9-952) While pushing down the release lever (rear) [1], pull out the heater contact[2].F-9-963) Remove the screw [1], and free the AC harness [2].F-9-974) Free the AC harness [1] from the edge saddle [2].F-9-985) Free the relay connector [1] of the signal cable from the connector holder[2].F-9-996) Disconnect the connector [2] from the relay connector [1].F-9-1007) Remove the fixing film unit [1].F-9-101