Chapter 22-55F-2-2042.7 Installing the Cassette Heater2.7.1 Checking the Contents 0011-6415iR7105 / iR7095 / iR7086 / iR7095PF-2-2052.7.2 Turning Off the Host Machine 0011-6416iR7105 / iR7095 / iR7086 / iR7095P2.7.3 Mounting the Cassette Heater 0011-6417iR7105 / iR7095 / iR7086 / iR7095P1) Remove the main controller box cover [1].- 10 screws [2][1] Heater assembly FG2-9812-000 1pc.[2] Heater cable guide FG2-9195-000 1pc.[3] Screw (TP; M4X6) XB6-7400-609 1pc.[4] Screw (RS tightening; M4X8) XA9-0628-000 2pc.Turning Off the Main PowerWhen turning off the main power, be sure to go through the following instrict sequence to protect the machine's hard disk:1) Hold down on the power switch on the control panel for 3 sec or more.2) Operate on the touch panel according to the shut-down sequenceindicated so that the main power switch may be turned off.3) Turn off the main power switch.4) Disconnect the power cable (for the power outlet).[1][1] [2] [3] [4]