Read Sharp AR-285 (serv.man11) Service Manual online
[7] SETTING AND ADJUSTMENTS
1. List of adjustment items
Section
Adjustment item
Adjustment
procedure
A. Process
(1)
Developing doctor gap
adjustment
adjustment
(2)
MG roller main pole position
adjustment
adjustment
MG roller main
pole position
adjustment
pole position
adjustment
(3)
Developing bias voltage
adjustment
adjustment
SIM8-1/44-15
(4)
Main charger grid voltage
adjustment
adjustment
SIM8-2/44-15
(5)
Transfer charger adjustment
SIM8-6
(6)
Separation charger bias
voltage adjustment
voltage adjustment
SIM8-7
(7)
Photoconductor marking
sensor sensitivity (gain)
adjustment
sensor sensitivity (gain)
adjustment
SIM44-2
Image density sensor
sensitivity (gain) adjustment
SIM44-2
sensitivity (gain) adjustment
SIM44-2
SIM44-2
(8)
Toner concentration adjustment
(auto developer adjustment)
(auto developer adjustment)
SIM25-2
B. Laser scanner
(exposure)
(exposure)
(1)
Horizontal image distortion
adjustment
adjustment
LSU lever
adjustment
adjustment
(2)
Print off-center adjustment
SIM50-10
(3)
Laser power setting (copier
mode)
mode)
SIM61-2/44-15
C. Scanner
(1)
Vertical image distortion
balance adjustment
balance adjustment
Copy lamp unit
installing
position
adjustment
installing
position
adjustment
(2)
Vertical image distortion
balance adjustment
balance adjustment
No. 2/No. 3
mirror base
installing
position
adjustment
mirror base
installing
position
adjustment
(3)
Vertical (main scanning
direction) image distortion
adjustment
direction) image distortion
adjustment
Winding pulley
position
adjustment
position
adjustment
(4)
Horizontal (sub scanning
direction) image distortion
adjustment
direction) image distortion
adjustment
F rail height
adjustment
adjustment
(5)
Main scanning direction
magnification ratio adjustment
magnification ratio adjustment
CCD unit
position
adjustment
position
adjustment
(6)
Main scanning direction
magnification ratio adjustment
magnification ratio adjustment
SIM48-1
Sub scanning direction
magnification ratio adjustment
magnification ratio adjustment
SIM48-1
Including the adjustment with
SPF
SPF
(7)
Shading plate correction value
setting
setting
SIM46-17
Section
Adjustment item
Adjustment
procedure
C. Scanner
(8)
Scanning image position
adjustment
adjustment
SIM50-2
Including the adjustment with
SPF
SPF
(9)
Original off-center adjustment
SIM50-12
Including the adjustment with
SPF,RADF
SPF,RADF
D. Image process
(1)
Density adjustment 2 values
SIM46-2
Density adjustment 256 values
SIM46-3
(2)
Density adjustment AE 2
values
values
SIM46-4
Density adjustment character 2
values
values
SIM46-5
Density adjustment character
photo 2 values
photo 2 values
SIM46-6
Density adjustment photo 2
values
values
SIM46-7
Density adjustment AE256
values
values
SIM46-8
Density adjustment character
256 values
256 values
SIM46-9
Density adjustment character
photo 256 values
photo 256 values
SIM46-10
Density adjustment photo 256
values
values
SIM46-11
E. Paper feed
(1)
Manual paper feed size
detection level adjustment
detection level adjustment
SIM40-2
(2)
Paper size setting
F. Paper transport
(1)
Separation pawl operation
timing adjustment
timing adjustment
SIM51-1
(2)
Paper resist pressure
adjustment
adjustment
SIM51-2
G. Others
(1)
Original size sensor detection
level adjustment
level adjustment
SIM41-2
(2)
Original size sensor detection
level adjustment
level adjustment
(3)
Waste toner full detection level
adjustment
adjustment
(4)
Touch panel adjustment
SIM65-1
(5)
Key touch sound volume
adjustment
adjustment
Sound volume
adjustment
adjustment
H. SPF
(1)
Hinge height check and
adjustment
adjustment
Table glass
clearance
adjustment
clearance
adjustment
(2)
Open/close sensor position
adjustment
adjustment
SIM 2-02
I. RADF
(When the RADF is
installed)
(When the RADF is
installed)
(1)
Document lead edge stop
position adjustment
position adjustment
SIM 53-1
(2)
Resist/timing/paper exit sensor
adjustment
adjustment
SIM 53-2
(3)
Test mode with DIP switch
7 – 1
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