Sharp MX-LCX2 Manual de Serviço descarregar pdf (Página 6)

MX-LCX2 EXTERNAL VIEWS AND INTERNAL STRUCTURES 4 – 2

2. PWB, sensor, switch, heater

No.

Parts

MODEL NOTE

Code Signal name Name Type Function/Operation Active condition

7 MAIN PWB -

LCC main

PWB

Controls and drives the LCC.

8LDD LDD

Lower limit

sensor

The lower limit of the tray is

detected.

When the tray is at the lower

limit, "H" level.

9LRE LRE

Lift motor

encoder

The lift motor rotation is

detected.

Pulse signal

10 LCSW LCSW

Cassette

detection

The tray insertion is detected. When inserted, "H" level.

11 LTOD LTOD

The main unit

connection

sensor

Detects connection to the main

unit.

When connected, "L" level.

12 LPFD LPFD

Transport

sensor

Detects paper transport.

L level at paper remaining

detection.

13 LUD LUD

Upper limit

sensor

Detects the paper upper limit

position.

When "H" level (ON), the lift-up

motor stops.

14 LPED LPED

Paper

presence/

empty sensor

Detects paper presence/empty

on the paper tray.

When paper is detected, "L".

* When lifting up, if "L" with

LRE 800 pulse, the paper

feed solenoid is ON.

15 LLSW LLSW

Upper limit

switch

Protects the paper feed unit

from breakage due to lifting the

tray too much.

16 LDSW LDSW

Upper open/

close switch

Detects open/close of the upper

door.

17 DH DH

Thermal

heater

Keeps temperature in the LCC

tray.

Japan

only

1 2 3 4 5 6 7 8 9 10 11 ... 29 30

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