SHARP ARLC2 Service Manual

AR-LC2

CODE : 00ZARLC2//A1E

Color Digital Copier Option Large Capacity Paper Feed Tray

MODEL AR-LC2

CONTENTS

This model is the large capacity tray of the full color digital copier, AR-C150. This Service Manual describes only the different points from the AR-LC1. Please refer to the AR-LC1 Service Manual for the common items.

[1] OUTLINE OF THE PRODUCT . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

[2] SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

[3] UNPACKING AND INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . 1-1

[4] EXTERNAL VIEW AND INTERNAL CONSTRUCTION . . . . . . . . 4-1

[6] DISASSEMBLY AND REINSTALLATION . . . . . . . . . . . . . . . . . . 6-1

[10] WIRING DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1

[11] EXPLANATION OF THE CIRCUITS . . . . . . . . . . . . . . . . . . . . 11-1

■ PARTS GUIDE

Parts marked with “ ” are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the safety and performance of the set.

This document has been published to be used for after sales service only. The contents are subject to change without notice.

AR-LC2

[1] OUTLINE OF THE PRODUCT

This paper feed unit stores about 3,300 sheets of A4 or letter size paper to save the trouble of adding paper when a large amount of copies is to be mode.

[3] UNPACKING AND INSTALLATION

1. Unpacking

1 Upper cushion 2 LCC 3 Lower cushion 4 Packing case

2. Installation procedure

Parts included

[2] SPECIFICATIONS

(1) Paper feed capacity

Paper feed capacity 3,300 sheets (64g/m2 or equivalent)

(2) Amount detection

Paper amount detection

Detector 0% (empty), - 25%, - 50%, - 75%, - 100% Paper size detection None

(3) Paper size

Paper size A4/Letter Paper weight 60 to 105 g/m2 (14 to 28 lbs) (Same as the

(4) Size detection

Size detection Setting by simulation

(5) Factory setting

Factory setting paper size

Plate display A4/Letter

(6) Power supply

Power supply supplied by the copier (DC5V, DC24V)

(7) Power consum pt i on

Not more than 30 W

(8) Externa l view

External dimensions 325 (Width) x 536 (Depth) x 595 (Height)

Weight about 32 kg Case color Frosty gray

Provided (5-stage sensors including empty detection)

copier’s paper feed section)

A4/Letter

Upper mounting plates

(2 pcs.)

Option mounting plate

(1 pc.)

Mounting plate

(1 pc.)

Securing screws A

Securing screws C

(2 pcs.)

Connecting plate

(6 pcs.)

Securing screw D

(1 pc.)

Securing plate

(1 pc.)

Securing screw B

(1 pc.)

Step screws

(2 pcs.)

Unplug the power cord from the copier and then follow the procedure below.

1. Remo ve the right cover.

1) Open the upper right door unit and the lower right door unit.

2) Unscrew the front right lower door.

3) Unscrew the rear right lower door, and remove the right lower door.

1 – 1

AR-LC2

2. Instal l the option mounting plat e.

1) Install the option mounti ng plate.

2) Attach the right cabinet.

The convex side

is inside.

Step screws

Securing screws D

Step screws

3. Install the upper mounting plates and the mounting plate.

Make mounting holes with a driver, etc.

3) Remove the two pawls on the LCC cover, and detach the LCC cover.

4. Mount the connecting plate to the larg e capacity tray.

NOTE: Before mounting the connecting plate to the large capacity tray,

be sure to remove the 2 step screws for securing the bottom plate.

Fit the connecting plate to the lower part of the large capacity tray and mount the plate to the position indicated with A using screw B.

Securing screws B

Step screws

The spring is provided only for 200 series models.

Connection plate

Fit screws in hole A

5. Fit the connecting plate of the large capacity tray to

the mounting plate of the stand.

Insert the connecting plate into the mounting plate of the stand slightly while lifting the large capacity tray.

After insertion, move the large capacity tray away from the copier to check that the tray is locked.

While the tray is locked, mount the securing plate using screws C (2).

Securing screws A

Rubber is attached to the lower side.

Securing screws A

1) Fit the upper mounting plates with the securing screws A (two for each).

2) Fit the mounting plate to the lower part of the stand with the two securing screws A.

Mounting plate

Securing

plate

Connecting

plate

Securing

plate

screw C

6. Check and adjust the heigh t of the large capacity tra y.

Move the large capacity tray toward the copier and adjust the tray and check it so that the rib of the large capacity tray is flush with the axis of the mounting plate which has been mounted to the copier as shown in the figure.

LCC cover

3 – 1

AR-LC2

•

When the axis is flush with the rib:

Push the large capacity tray toward the copier.

Top view

RibAxis

•

When the axis is not flush with the rib:

Loosen the two screws of the installation adjuster mounting plate located at the lower part of the large capacity tray and adjust as follows:

★ When the rib is to the right of the axis

Turn the knob clockwise to adjust. After adjustment, tighten the two screws of the installation adjuster mounting plate.

Top view

7. Connect the connector of the large cap acity tray.

Remove the connector cover securing screw for connection of the large capacity tray relay harness connector and remove the connector cover. Then connect the large capacity tray relay harness connector to the connector of the copier and tighten the screw on the connector to secure the connector.

8. Remove the feed table securing screw and securing materials.

Pull out gently the paper tray of the large capacity tray until it stops. Remove the feed table securing screw and 5 securing materials which secure the feed table of the large capacity tray.

Securing materials

Feed table

securing

screw

Securing materials

RibAxis

Securing screws

Knob

★ When the rib is to the left of the axis

Turn the knob counterclockwise to adjust. After adjustment, tighten the two screws of the installation adjuster mounting plate.

Top view

AxisRib

Securing screws

Feed table

Push back gently the paper tray to its original position.

Knob

3 – 2

9. Set the mode.

•

Set the mode with the key operation of the copier.

Clear

AR-LC2

•

In case of Fig. 1:

Move the tray lock plate in direction A by the length of displacement, tighten the 2 screws at portion a and then the 8 screws at portion b, and

make a copy again to check that the center is not displaced.

Fig. 1

Center line of paper

Press the corresponding

operation key on the display.

The mode is set with the

above operations.

10. Adjust the center position.

Since adjustment has been made at shipment, adjustment is basically not needed. However, if the center should be displaced, adjust it using the procedure below.

Make a copy. If the center is displaced as shown in Fig. 1 or Fig. 2, pull out gently the paper tray until it stops.

Then, loosen the 2 screws at portion a which secure the tray lock plate and the 8 screws at portion b (right and left sides) which secure the tray cover unit to the frame and adjust the center position using the procedure below.

Left side

Right side

Center of image (first image)

•

In case of Fig. 2:

Move the tray lock plate in direction B by the length of displacement, tighten the 2 screws at portion a and then the 8 screws at portion b, and make a copy again to check that the center is not displaced.

Fig. 2

Center line of paper

Center of image (first image)

Portion a

Direction A

Portion b

Tray cover unit

Portion a

Direction B

Scale (pitch in mm)

Tray lock plate

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AR-LC2

[4] EXTERNAL VIEW AND INTERNAL CONSTRUCTION

1. External view

1. Tray down/button/lamp The tray can be opened by pressing the button. Use this button when adding paper or when a paper jam occurs.

2. Main parts

123

6 7

8 9

No. Name No. Name

1 Transport roller 6 Lift-up unit 2 Paper feed roller 7 Encoder 3 Pick-up roller 8 Height adjustment unit 4 Reversion roller 9 Caster 5 Tray

4 – 1

PWB location

AR-LC2

No. Name Function and operation

1 Control PWB Controlling LCC 2 Tray switch PWB Tray lifting switch

Motor, clutch, solenoid

3 LPFC

5 LTRC

4 LPFS

1 LPFM

2 LLM

Motor

No. Symbol Name Function and operation

1 LPFM Paper feed and transport motor Driving paper feed and transport systems 2 LLM Lift-up motor Driving tray lifting up

Clutch and solenoid

No. Symbol Name Function and operation

3 LPFC Paper clutch Driving paper clutch 4 LPFS Pick-up solenoid Operating pick-up roller 5 LTRC Paper feed clutch Driving paper clutch

4 – 2

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