Kyocera FS-C8600DN Service Manual page 437

2MN/2N1
17. Cassette heater (CH) ............................ Dehumidifies the cassette section (option).
18. Hard disk (HDD).................................... Storages the image data and information of job accounting mode.
19. LCD back light (LCDBL)........................ Back lighting of LCD.
2-2-11