SHARP ARCS2 Service Manual

AR-DU2

CODE : 00ZARDU2//A1E

DIGITAL COPIER OPTION
DUPLEX MODULE

MODELAR-DU2

CONTENTS

[1] UNPACKING AND INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 1

[2] EXTERNAL VIEW AND INTERNAL STRUCTURE . . . . . . . . . . . . . 8

[3] DESCRIPTION OF OPERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . 9

[4] DISASSEMBLY, ASSEMBLY, MAINTENANCE . . . . . . . . . . . . . . 12

[5] ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

[6] ELECTRICAL SECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

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

AR-DU2

[1] UNPACKING AND INSTALLATION

1. Unpacking

3. Installation

Disconnect the plug of the copier and follow the
following procedures.

1) Pull out paper trays No. 2 through No. 4 from the copier.

2) Remove the securing screw (1 screw) that secures the No. 1
paper tray.

2. Parts list

1 Drawer unit 1 8 Decurler securing plate As 1
2 AG solenoid unit 1 9 Positioning pin 2
3 Relay PG 1 Securing screws
4 ADU stopper L 1 10 Securing screw A M4x8 S tight 5
5 ADU stopper R 1 11 Securing screw B M3x6 S tight 2
6 Tray stopper right 1 12 Securing screw C M4x14 P tight 1
7 Tray stopper left 1 13 Securing screw D M4x10 P tight 4

3) Openthe front cabinet of the copier.

4) Remove the paper tray cover.

5) Pull out the toner hopper unit.

6) Remove the securing screws (4 screws) that secure he left upper
cabinet to the copier and remove the left upper cabinet.

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AR-DU2

7) Remove the securing screws (4 screws) that secure the left lower
cabinet to the copier and remove the left lower cabinet.

8) Remove the connector connecting the paper exit unit to the copier.
Remove the securing screws (2 screws) that secure the paper exit
unit to the copier and remove the paper exit unit.

10) Attach the positioning pins (2 pins) to allocate positions in the
copier frame.

11) Place the left and right decurler frames on the positioning pins and
secure with securing screws A (2 screws).

Connect the decurler harness and TFD harness connectors.

9) Cut out the portion of the left lower cabinet along the provided
cut-outs.

∗ After cutting out the portion, file down the projections that remain.
∗ The cut out portion is not used.

12) Open the open/close PG and make sure that the curl adjustment
arm is set to the standard adjustment position of "3".

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AR-DU2

13) Install the paper exit unit and secure with the securing screws (2
screws). Connect the paper exit unit connector.

14) Install the left lower cabinet and secure with the securing screws
(4 screws).

17) Push the toner hopper back to its original position and close the
front cabinet of the copier.

18) Of the securing screws (7 screws) that secure the rear lower
cabinet of the copier, loosen the lower 3.

Then remove the upper 4 screws and then slide the rear lower
cabinet upward and remove.

15) Install the left upper cabinet and secure with the securing screws
(4 screws).

16) Push back the paper tray No. 2 through No. 4 to their original
position.

19) Install the drawer unit and secure with the supplied drawer
installation screws (2 screws).

Connect the drawer unit connector to the PCU main PC board.
Connect the drawer unit ground terminal to the securing screw A

(1 screw).

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AR-DU2

Remove the clamp holding together the main harness R connector
wires.

Connect the main harness R connector to the supplied
microswitch for the drawer unit.

Using the clamp removed above, clamp together the drawer unit
harness and main harness R as shown in the figure below.

20) Remove the securing screws (2 screws) and PC board supports
(2 locations) holding the scanner lamp control PWB and open the
scanner lamp control PWB.

Insert the decurler securing plate (1 piece) into the positioning hole
and secure with the securing screw A (1 screw).

Return the scanner lamp control PWB to its original position and
secure with the securing screws (2 screws) and PC board
supports (2 locations).

21) Attach the rear lower cabinet to copier by sliding it downward onto
the lower 3 securing screws.

Then install the upper 4 securing screws and tighten all securing
screws (7 screws).

22) Open the front cabinet of the copier and lower the lift handle to the
left.

Then slower pull out the transfer unit.
Loosen the securing screws (blue, 3 screws) securing the fuser

unit front cover until they spin freely.

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AR-DU2

23) Open the reverse unit of the fuser unit.
Then install the gate solenoid unit and secure it with securing

screws B (2 screws).

∗ Make sure that wires of the harness do not get caught.

Connect the gate solenoid connector to the connector locked to
the reverse unit.

26) Insert the transfer unit back to its original position.
Then return the lift handle back to its original position.
Close the front cabinet of the copier.

27) Remove the screws (1 screw each) securing the front and rear tray
cover plates attached to the paper tray covers and remove the tray
cover plates.

∗ These will not be used.

Remove the screws (1 screw each) securing the tray tabs
attached to the paper tray cover and remove the tabs.

∗ The tray tabs will not be used. The securing screws will be used

as follows.

Install the ADU stopper L and secure with the securing screw (1
screw).

Install the ADU stopper R and secure with the securing screw (1
screw).

∗ Use the securing screws that were used to attach the tray tabs

above.

24) Close the reverse unit of the fuser unit.

∗ At this time, move the solenoid plunger by hand and make sure

that the gate does not get caught.

25) Install the fuser unit front cover and secure it with the securing
screws (blue, 3 screws) that are attached to the fuser unit front
cover.

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