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
1
4
2
3
3
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
mm
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.)
(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
1
Securing
plate
Connecting
plate
2
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.
PC
Clear
26
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
1
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.
CA
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
Portion b
Tray cover unit
Portion a
Direction B
Scale (pitch in mm)
Tray lock plate
3 – 3
AR-LC2
[4] EXTERNAL VIEW AND INTERNAL CONSTRUCTION
1. External view
1
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
4
5
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
1
No. Name Function and operation
1 Control PWB Controlling LCC
2 Tray switch PWB Tray lifting switch
2
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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