SHARP ARDE9, ARPG1, ARFX3, ARSP3 Service Bulletin

AR-SP3
[3] AR-SP3
1. Operational descriptions
A. Outline
The SPF (Single Path Feeder) is installed to the AL-1000/1200 as a standard provision, and it automatically copies up to 30 sheets of documents of a same size. (Only one set of copies)
B. Document transport path and basic composition
(1) Pickup roller (2) Sheet of document for paper feed (3) Set detection ACT
(4) Paper stopper (5) Document feed roller (6) Separation sheet
(10) Paper exit roller (11) Paper exit follower roller (12) Document tray
C. Operational descriptions
(Copier side)
MM rotation
CPFS ON
PPD ON
RRC ON
(Transfer)
Time chart (Tray feed)
Document set
SPID ON
Document feed unit lamp ON
PSW ON
MIRM rotation
Main motor rotation
Paper feed
Synchronization
Paper transport
Document set sensor
Copy start
The scanner is shifted to the exposure position.
(SPF side)
SPFM rotation
SPUS ON
SPPD ON
(Exposure)
SPF motor rotation
Document feed
Document transport sensor
Document transport
(Fusing)
POD ON
(Paper exit)
In the zooming mode, the magnification ratio in the sub scanning direction (paper transport direction) is adjusted by changing the document transport speed.
(Document exit)
3 – 1
D. Cases where a document jam is caused
a. When SPPD is ON (document remaining) when the power is turned on. b. When SPPD is not turned ON within about 1.5 sec (at 100% copy) after starting the document feed operation. c. When SPPD is not turned on within about 4.7 sec (at 100% copy) after turning on SPPD. d. When the SPF document jam release door or the OC cover is opened during document transport (SPF motor rotating).
AR-SP3
2. Disassembly and assembly
No. Part name Ref.
A Sensor PWB
B Pickup solenoid
C Clutch
D Manual paper feed roller, pickup roller
E Belt
F SPF motor
G Paper entry sensor
H PS roller
I Paper exit roller
Pickup unit removal
1) Remove three fixing pawls from the bottom of the machine.
2) Remove the front cover and the rear cover.
2
2
1) Remove the belt, the paper feed frame SP, and two harnesses.
2) Remove the pickup unit.
1
1
2
3
4
3
1
*
When installing the parts, be careful of the hole position of the paper
1
frame SP.
1
3 – 2
AR-SP3
A. Sensor PWB
1) Remove two screws from the bottom of the pickup unit.
2) Remove the upper cover.
2
1
1
1) Remove two screws.
2) Remove the sensor PWB.
3) Remove the harness.
1
2
1
3
C. Clutch
1) Remove the E-ring.
2) Remove the pulley and bush.
3) Slide the bush in the arrow direction.
4) Lift the clutch, and 5) remove the clutch.
2
5
3
1) Remove the E-ring.
2) Remove the parts.
1
4
1
B. Pickup solenoid
1) Remove two screws.
2) Remove the pickup solenoid
2
*
When installing, hang iron core A on the solenoid arm.
1
A
2
D. Manual paper feed roller, pickup roller
1) Lift the paper stopper.
2) Slide the takeup roller unit.
3) Slide the bush in the arrow direction.
4) Remove the takeup roller unit.
A
1
2
4
3
3 – 3
*
When installing the takeup roller, hang the projection of the takeup roller unit on the solenoid arm.
1) Remove the parts.
2) Remove the manual paper feed roller.
3) Remove the pickup roller.
4) Remove the parts.
4
3
1
1
F. SPF motor
1) Remove the harness.
2) Remove four screws.
3) Remove the drive unit.
4) Remove the belt.
5) Remove two screws.
6) Remove the SPF motor.
5
AR-SP3
6
2
1
1
Transport unit removal
1) Remove two screws.
2) Remove the document tray unit.
3) Remove five screws.
4) Remove the transport unit.
3
3
1
5
2
2
3
4
2
3
1
3
G. Paper entry sensor
1) Loosen the screw.
2) Open the paper exit PG.
3) Remove the paper entry sensor.
4) Remove the harness.
4
E. Belt
1) Remove the belt.
4
3
1
2
1
3 – 4
AR-SP3
H. PS roller
1) Remove the parts.
2) Remove the PS roller.
1
I. Paper exit roller
1) Remove the parts.
2) Remove the paper exit roller.
1
1
1) Open the right cabinet.
2) Remove three screws.
3) Remove one connector.
4) While tilting down the 2nd connection arm A, pull and remove the paper feed unit toward you.
C
D
1
2
*
When installing, securely insert two bosses C on the machine side and two bosses D on the paper feed unit side. Be sure to fix the earth B.
*
Insert the 2nd page feed.
D
4
1
A
3
B
2
A. Paper sensor
1) Remove the pawl.
2) Remove the paper sensor.
3) Remove the harness.
2
2
[4] AR-DE9
1. Disassembly and assembly
No. Part name Ref.
A Paper sensor
B Cassette detection SW
C Paper feed solenoid
D Transport roller
E Paper feed clutch
F 2nd paper feed roller
Paper feed unit removal
1) Remove the screw.
2) Remove the rear cover.
*
When installing, engage the pawl and install the unit.
3
1
B. Cassette detection SW
1) Remove the pawl.
2) Remove the cassette detection SW.
3) Remove the harness.
1
3
2
A
2
1
4 – 1
Loading...