Read Sharp AR-235 (serv.man9) Service Manual online
AR-235/275 ADJUSTMENTS - 2
(3) Developing bias voltage adjustment (SIM 8-1)
1) Execute SIM 8-1.
2) After selecting the mode, enter the adjustment value and press the
[OK] key.
3) Output will be made for 30 sec.
<Adjustment specification>
(4) Grid bias voltage adjustment
(High mode) (SIM 8-2)
1) Execute SIM 8-2.
2) After selecting the mode, enter the adjustment value and press the
[OK] key.
3) Output will be made for 30 sec.
<Adjustment specification>
∗
The input value is in the increment of –25V.
(5) Grid bias voltage adjustment (Low mode) (SIM 8-3)
1) Execute SIM 8-3.
2) After selecting the mode, enter the adjustment value and press the
[OK] key.
3) Output will be made for 30 sec.
<Adjustment specification>
∗
The input value is in the increment of –25V.
B. Mechanism section
(1) OC image lead edge position/Sub scanning
magnification ratio/Original offset auto adjustment
1) Set the test chart (UKOG-0011QSZZ) on the OC table.
2) Execute SIM 48-3.
3) Make a copy.
(2) Print start position adjustment
1) Execute SIM 50-5.
Select the mode with the arrow keys, enter the adjustment value
with the 10-key, and press the [OK] key.
with the 10-key, and press the [OK] key.
Pressing the [START] key makes a print.
Pressing the [RETURN] key returns to the mode selection.
Setup of various copy conditions: Similar to the normal copy mode.
2) Measure the distance H between the paper lead edge and the
image print start position. Set the image print start position set
value again.
value again.
• 1 step of the set value corresponds to about 0.127mm shift.
• Calculate the set value from the formula below.
Display items
Content
Installation
range
Default
1:AE
AE
200-550
426 (–426V)
2:TEXT
Character
450 (–450V)
3:TEXT/PHOTO
Character/Photo
450 (–450V)
4:PHOTO
Photo
450 (–450V)
5:SUPER PHOTO
Super photo
400 (–400V)
6:TONER SAVE
Toner save
376 (–376V)
Display items
Content
Setting
range
Default
1:AE
AE
1-8
4 (–555V)
2:TEXT
Character
5 (–580V)
3:TEXT/PHOTO
Character/Photo
5 (–580V)
4:PHOTO
Photo
5 (–580V)
5:SUPER PHOTO
Super photo
3 (–530V)
6:TONER SAVE
Toner save
2 (–505V)
A
Sim8-1 DV BIAS COPY
1:AE 426
2:TEXT 450
3:TEXT/PHOTO 450
1/2
Sim8-2 MHV(H) COPY
1:AE 3
2:TEXT 5
3:TEXT/PHOTO 5
1/2
Display items
Content
Setting
range
Default
1:AE
AE
1-8
4 (–426)
2:TEXT
Character
5 (–450)
3:TEXT/PHOTO
Character/Photo
5 (–450)
4:PHOTO
Photo
5 (–450)
5:SUPER PHOTO
Super photo
3 (–400)
6:TONER SAVE
Toner save
2 (–375)
(Initial screen)
(Input screen)
(Executing screen)
Display
items
Content
Setting
range
Default
1:TRAY1
1st cassette
0-99
53
2:OPTION
Option cassette
1-99
3:MANUAL
Manual feed
4:DUPLEX
Back print
Sim8-3 MHV(L) COPY
1:AE 3
2:TEXT 5
3:TEXT/PHOTO 5
1/2
Set the
test chart
test chart
Sim50-5 PRINT EDGE
1:TRAY1
50
2:OPTION 50
3:MANUAL 50
1/2
50
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