Chapter 77-21F-7-844) Lift the front of the laser unit [1], and slide it to the front.F-7-85When sliding out the laser scanner unit, be sure to take care not to touch thePCB mounted to the laser scanner unit. (The PCB is equipped with a laserscanner intensity adjustment variable resistor, and contact with the PCB canchange the adjustment setting.)7.12.3.11 Removing the Hopper Assembly 0007-8360iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N // iR4570N / iR2230 / / / iR3530 /1) Remove the inside base cover [1] and the inside right color [2].F-7-862) Disconnect the 3 connectors [1] found at the front and the connector [2]found at the rear.F-7-873) Open the 11 wire saddles [1], and pull out the harness [3] through the hole[2] in the plate.F-7-884) Remove the 3 screws [1], and detach the hopper assembly [2].F-7-89When fitting the hopper assembly to the machine, be sure that the connectors[1] are securely connected. If the connectors [1] are not connected, the envi-ronment heater will not be supplied with power, leading to image faults.F-7-907.12.4 Sub Hopper7.12.4.1 Removing the Front Cover Unit 0007-8020iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N // iR4570N / iR2230 / / / iR3530 /