MX-DE28 (serv.man2). Service Manual. - Sharp Copying Equipment Service Manual (repair manual). Page 25

MX-DE28  OPERATIONAL DESCRIPTIONS  5 – 4

C2LUD

Paper feed tray 2 upper limit detector

This detector detects when the tray in paper feed tray reaches its upper limit.

C2PED

Paper feed tray 2 paper empty detector

This detector detects when there is paper in paper feed tray.

C2PFD

Paper feed tray 2 paper transport detector

This detector detects when paper is in the transport path for paper feed tray.

C2SPD

Paper feed tray 2 paper level detector

This detector detects the amount of paper remaining in paper feed tray.

C2SS1

Paper feed tray 2 paper rear edge detector 1

The paper feeder recognizes that the tray for paper feed tray has been inserted when 
any of paper feed tray paper rear edge detector 1 to 4 turns ON.
This detector detects the paper size of the tray in paper feed tray.

C2SS2

Paper feed tray 2 paper rear edge detector 2

C2SS3

Paper feed tray 2 paper rear edge detector 3

C2SS4

Paper feed tray 2 paper rear edge detector 4

C2SSSET_D

Paper feed tray 2 attachment detection detector

This detector detects when paper feed tray is attached.

DSW-C2

Paper feed tray 2 open/close detection detector

This detector detects when the right door is opened or closed.

D1MDC

Paper feed tray 3 mount detect connector

This detector detects when paper feed tray is attached.

D1LUD

Paper feed tray 3 upper limit detector

This detector detects when the tray in paper feed tray reaches its upper limit.

D1PED

Paper feed tray 3 paper empty detector

This detector detects when there is paper in paper feed tray.

D1PPD1

Paper feed tray 3 paper pass detector 1

This detector detects when paper is in the transport path for paper feed tray.

D1PPD2

Paper feed tray 3 paper pass detector 2

This detector detects when paper is in the transport path for paper feed tray.

D1PQD

Paper feed tray 3 paper quantity detector

This detector detects the amount of paper remaining in paper feed tray.

D1CDT

Paper feed tray 3 installation detector

This detector detects installation of the paper feed tray.

D1LM

Paper feed tray 3 lift-up motor

This motor lifts up the tray in paper feed tray.

D1PFC

Paper feed tray 3 paper feed clutch

This clutch controls the ON/OFF status of the paper feed roller (paper feed tray 3).

D2LUD

Paper feed tray 4 upper limit detector

This detector detects when the tray in paper feed tray 4 reaches its upper limit.

D2PED

Paper feed tray 4 paper empty detector

This detector detects when there is paper in paper feed tray 4.

D2PQD

Paper feed tray 4 paper quantity detector

This detector detects the amount of paper remaining in paper feed tray 4.

D2CDT

Paper feed tray 4 installation detector

This detector detects installation of the paper feed tray.

D2LM

Paper feed tray 4 lift-up motor

This motor lifts up the tray in paper feed tray.

D2PFC

Paper feed tray 4 paper feed clutch

This clutch controls the ON/OFF status of the paper feed roller (paper feed tray 4).

D1PFD

Paper feed tray 4 paper pass detector

This detector detects the amount of paper remaining in paper feed tray 4. 

DHOD

Horizontal transport open/close detector

This detector detects the open/close of the horizontal transportation. 

DPFM

Desk paper feed motor

This motor drives the paper feed and transport sections.

DPTRC

Desk paper transport clutch

This clutch controls the ON/OFF status of the  transport roller 3, vertical transport roller 
1, transport roller 5 and vertical transport roller 2.

1

Paper pickup roller1(Paper feed tray3)

Feeds paper to the paper feed roller.

2

Paper feed roller3(Paper feed tray3)

Feeds paper to the paper transport section.

3

Separation roller (Paper feed tray3)

Separates paper to prevent double feed.

4

Torque limiter

Applies a certain level of resistance power to rotation of the separation roller in order to prevent against double feed.

5

Paper pickup roller (Paper feed tray4)

Feeds paper to the paper feed roller.

6

Paper feed roller 2 (Paper feed tray4)

Feeds paper to the paper transport section.

7

Separation roller (Paper feed tray4)

Separates paper to prevent double feed.

8

Torque limiter

Applies a certain level of resistance power to rotation of the separation roller in order to prevent against double feed.

9

Level transport roller L (Drive)

Transports paper from the paper feed roller 3 to the level transport roller R.   

10

Level transport roller L (Idle)

Applies a pressure to paper and the transport roller to provide a transport power of the transport roller to paper.

11

Level transport roller R (Drive)

Transports paper from the level transport roller L to the transport roller 2.

12

Level transport roller R (Idle)

Applies a pressure to paper and the transport roller to provide a transport power of the transport roller 
to paper.

13

Transport roller 3 (Drive)

Transports paper from the paper feed roller 2 to the transport roller2.