Chapter 66-6F-6-8[1] Laser shutter[2] Laser shutter link (operates in conjunction with front cover)[3] Laser unit6.4 Parts Replacement Procedure6.4.1 Laser Scanner Unit6.4.1.1 Removing the Front Cover Unit 0007-8348iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N // iR4570N / iR2230 / / / iR3530 /1) Open the front cover [1].F-6-92) 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-6-106.4.1.2 Removing the Left Cover 0007-8349iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N // iR4570N / iR2230 / / / iR3530 /1) Remove the 4 screws [1], and detach the left cover [2].F-6-116.4.1.3 Removing the Laser Unit 0007-8350iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N // iR4570N / iR2230 / / / iR3530 /1) Open the 2 wire saddles [1], and disconnect the 2 connectors [2].F-6-12When you have disconnected the connector [1], be sure to take care so thatit will not come into contact with the PCB that is mounted to the laser scannerunit. (The PCB is equipped with a laser intensity adjustment variable resis-tor. Contact with the PCB can change the adjustment setting.)2) Open the wire saddle [1], and disconnect the connector [2].[1][2][2][1][3] [3] [1]LOSED DOOR OPEN[1][1][1][2]
