Electrical Parts Layout; Main Frame - Kyocera FS-6020 Service Manual

2-2-1 Electrical parts layout

(1) Main frame

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1. Main PWB [KP-935] ..................................... Controls the software such as the print data processing and provides the
2. Engine/high voltage PWB [KP-936] ............. Controls the input/output of electrical parts and generates the high
3. Power source PWB ...................................... Generates 24 V DC and 5 V DC power source. Controls the fixing heater
4. Operation panel PWB [KP-938] ................... Indicates the LCD message display and LED indicators. Controls key
5. Paper gauge sensor (PWB) [KP-944] .......... Consists of the paper gauge sensor 1 and 2.
6. Toner sensor (PWB) [KP-786] ..................... Detects the toner in the toner container.
7. Eraser lamp (PWB) [KP-940] ....................... Eliminates the residual electrostatic charge on the drum.
8. Power switch ................................................ Turns ON/OFF the AC power source.
9. Cassette size switch .................................... Detects the paper size dial setting of the paper setting dial.
10. Top cover interlock switch ............................ Shuts off 24 V power line when the top cover is opened.
11. Rear cover interlock switch .......................... Shuts off 24 V power line when the rear cover is opened.
12. MP tray feed sensor ..................................... Detects paper misfeed in the MP tray.
13. Eject sensor ................................................. Detects paper misfeed in the fixing unit.
14. Registration sensor ...................................... Detects the timing of primary feeding.
15. Face-down tray paper full sensor ................. Detects the paper full in the face-down tray.
16. Paper gauge sensor 1 (PH1) ....................... Detects the paper remaining amount level.
17. Paper gauge sensor 2 (PH2) ....................... Detects the paper remaining amount level.
18. Main motor ................................................... Drives the entire machine.
19. Cooling fan motor ......................................... Cools the interior of machine.
20. Power source fan motor ............................... Cools the peripheral area of the power source PWB.
21. Feed clutch .................................................. Controls the primary paper feed from the paper cassette.
22. Middle feed clutch ........................................ Controls the paper conveying at the conveying section.
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Figure 2-2-1 Main frame
interface with computers.
voltage.
lamp.
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FS-6020
2-2-1