Sharp MX-LCX3 Manual de Serviço descarregar pdf (Página 6)

MX-LCX3 EXTERNAL VIEWS AND INTERNAL STRUCTURES 4 – 2

2. PWB, sensor, switch, heater

No.

Parts

Code Signal name Name Type Function/Operation Active condition

1 LPUD LPUD LCC paper front surface

sensor

Detects paper front surface position CN-C 8pin

Paper detected: "L"

Paper not detected: "H"

2 LUD LUD Upper limit sensor Detects the paper upper limit position. CN-E 5pin

Upper limit: "H"

Other than Upper limit: "L"

3 LPFD LPFD Transport sensor Detects paper transport. CN-E 11pin

Paper detected: "L"

Paper not detected: "H"

4 LTOD LTOD The main unit connection

sensor

Detects connection to the main unit. CN-F 19pin

Connected: "L"

Not connected: "H"

5 LDSW LDSW Upper open/close switch Detects open/close of the upper door. CN-F 4pin 6pin

Open: "L"

Close: "24V"

6 LLSW LLSW Upper limit switch Protects the paper feed unit from breakage

due to lifting the tray too much.

CN-F 7pin

Normal: "24V"

Detection: "L"

7 LPED LPED Paper presence/empty

sensor

Detects paper presence/empty on the paper

tray.

CN-E 2pin

Paper present: "L"

Paper empty: "H"

8 A3-LCC PWB — A3-LCC PWB unit Controls and drives the LCC.

9 LCSW LCSW Cassette detection switch The tray insertion is detected. CN-B 7pin

Cassette insertion: "24V"

Cassette puling out: "L"

10 LRE LRE Lift motor encoder The lift motor rotation is detected. CN-C 4pin

Pulse

11 LWRSW LWRSW LCC reverse-winding

detection switch

Detects lift motor reverse-winding CN-B 14pin

Normal: "24V"

Detection: "L"

12 LTLD LTLD Tray lock sensor Detects the tray lock CN-C 7pin

Lock: "H"

Release: "L"

13 LDD LDD Lower limit sensor The lower limit of the tray is detected. CN-C 3pin

Lower limit: "H"

Other than Lower limit: "L"

14 DOWN SW PWB — Lowering SW PWB unit Shifts the tray to the paper supply position.

15 LTLLED LTLLED Tray LED The tray state is displayed with LED.

1 2 3 4 5 6 7 8 9 10 11 ... 33 34

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