Sharp AR-LC1 (serv.man2) Service Manual ▷ View online
•
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.
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.
•
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.
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
Center of image (first image)
Center line of paper
Center of image (first image)
Fig. 2
3 – 5
[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 paper jam occurs.
2. Main parts
No.
Name
No.
Name
1
Transport roller
2
Paper feed roller
3
Hitching roller
4
Reversion roller
5
Tray
6
Lift-up unit
7
Encoder
8
Height adjustment unit
9
Caster
1
1
2
3
4
5
6
7
8
9
4 – 1
PWB location
No
Name
Function and operation
1
Control PWB
Controlling LCC
2
Tray switch PWB
Tray lifting switch
Motor, clutch, solenoid, motor
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
Motor
No.
Symbol
Name
Function and operation
5
HT
Dehumidifying motor
Dehumidifying paper and preventing condensation of dew.
1
2
4 LPFS
3 LPFC
1 LPFM
2 LLM
5 HT
4 – 2
Sensor, detector location
No.
Symbol
Name
Function and operation
1
LPFD
Transport detector
Detecting paper discharge
2
LLSW
Upper limit lock switch
Detecting tray upper limit lock (Shutting off motor as a safety device.)
3
LPED
Paper detector
Detecting the presence of paper
4
LUD
Upper limit detector
Detecting tray upper limit position
5
LRES
Encoder sensor
Controlling lifting up
6
LDD
Lower limit detector
Detecting tray lower limit position
7
LTOD
Copier connection detector
Detecting connection to copier
1 LPFD
7 LTOD
5 LRES
6 LDD
2 LLSW
4 LUD
3 LPED
4 – 3
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