Samsung CLX-9350ND - Unit and Board Replacement Guides

3.4 Scan unit ………………………………………………………… 3-14
3.4.1 Scan glass …………………………………………………… 3-15
3.4.2 Scan main PBA ……………………………………………… 3-16
3.4.3 Lamp ………………………………………………………… 3-17
3.4.4 Original size detection sensor ……………………………… 3-19
3.4.5 Joint PBA …………………………………………………… 3-19
3.4.6 Joint sub PBA ……………………………………………… 3-20
3.4.7 Fan …………………………………………………………… 3-20
3.4.8 Pulley-belt …………………………………………………… 3-21
3.4.9 Scan motor and gear belt ………………………………… 3-22
3.4.10 Home sensor ……………………………………………… 3-22
3.4.11 Scanner heating cable …………………………………… 3-23
3.4.12 Align set …………………………………………………… 3-27
3.5 Fuser unit ………………………………………………………… 3-28
3.5.1 NC thermistor and thermostat ……………………………… 3-29
3.5.2 Thermistor …………………………………………………… 3-30
3.5.3 Fuser NIP Motor …………………………………………… 3-31
3.5.4 Halogen lamp ………………………………………………… 3-33
3.5.5 Fuser Bias / Fuser Bias Terminal ………………………… 3-36
3.5.6 EEPROM and photo sensor ……………………………… 3-37
3.5.7 Gear ………………………………………………………… 3-38
3.5.8 Heat roller …………………………………………………… 3-39
3.5.9 Fuser belt …………………………………………………… 3-41
3.5.10 Pressure roller and pressure roller bearing …………… 3-43
3.5.11 Cautions for reassembly ………………………………… 3-45
3.6 Cartridge transfer unit …………………………………………… 3-50
3.7 Electrical components …………………………………………… 3-56
3.7.1 Engine controller …………………………………………… 3-56
3.7.2 HDD ………………………………………………………… 3-57
3.7.3 Video controller ……………………………………………… 3-58
3.7.4 Joint PBA …………………………………………………… 3-59
3.7.5 Engine / Video shield door fan …………………………… 3-59
3.7.6 Toner PBAs ………………………………………………… 3-60
3.7.7 Toner motor ………………………………………………… 3-61
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