Sharp AR-C330 (serv.man5) Service Manual ▷ View online
AR-C330 SETTING AND ADJUSTMENTS 7 - 22
(1) Note before execution of copy quality adjustment
(Necessary conditions for execution of copy quality adjustment)
Before performing color quality adjustment, the following adjustments must have been completed normally, which will affect copy quality.
The importance level is as shown below.
(The following adjustment items directly affect copy quality and should be performed in advance to the copy quality adjustment.)
1) Adjustment items: ADJ M7, ADJ M8, ADJ M9, ADJ M10
The user color balance adjustment must be set to the default (center).
SIM 26-55 must be set to DISABLE.
The set value of SIM 46-27 must be set to the default.
The set value of the following simulation must be set to the default.
ADJ M17
Copy quality adjustment
ADJUSTMENT ITEM
SIMULATION
ADJ M7
Image skew adjustment (Scanner (Writing) unit)
64-1
61-4
ADJ M8
Photoconductor phase adjustment
44-31
ADJ M9
Main scanning direction copy magnification ratio
adjustment (Manual adjustment) (Scanner
(Writing) unit)
Main scanning direction image registration
adjustment (Manual adjustment) (Scanner
(Writing) unit)
adjustment (Manual adjustment) (Scanner
(Writing) unit)
Main scanning direction image registration
adjustment (Manual adjustment) (Scanner
(Writing) unit)
ADJ 1
Main scanning direction copy magnification ratio
adjustment (Scanner (Writing) unit) (Black)
adjustment (Scanner (Writing) unit) (Black)
50-10
ADJ 2
Main scanning direction color image resist
adjustment (Scanner (Writing) unit) (Color)
Main scanning direction copy magnification ratio
adjustment (Scanner (Writing) unit) (Color)
adjustment (Scanner (Writing) unit) (Color)
Main scanning direction copy magnification ratio
adjustment (Scanner (Writing) unit) (Color)
50-20
ADJ M10 Sub scanning direction color image resist adjustment (Manual adjustment) (Scanner (Writing) unit) (Color)
50-21
WORK ITEM
PURPOSE
NOTE
Default setting for User Color balance adjustment
(Special mode)
(Special mode)
Set the color balance to the standard state.
Check that it is set to the
center.
center.
SIM No
ITEM
Normal setting (Default)
Phenomenon when set to ENABLE
NOTE
26-55
MODE SETUP DISABLE
Higher image contrast with higher clearness / Lower
gradation
gradation
Set to DISABLE when
adjusting the copy quality.
adjusting the copy quality.
SIM No
ITEM
SPEC
Phenomenon when the set value is changed
Phenomenon when the
value is outside the
normal value range
normal value range
NOTE
Default
46-27
A (Color
copy mode)
copy mode)
70
When the set value is increased, the black toner
quantity on black lines and in black character outline
section is decreased. On the other hand, when the set
value is decreased, the black toner quantity on black
lines and in black character outline section is increased.
quantity on black lines and in black character outline
section is decreased. On the other hand, when the set
value is decreased, the black toner quantity on black
lines and in black character outline section is increased.
In Text - Printed Photo/ Text/ Text - Photo copy mode,
the black toner quantity on black lines and in black
character outline section. (Sharpness of black lines and
black characters is changed.)
the black toner quantity on black lines and in black
character outline section. (Sharpness of black lines and
black characters is changed.)
In Text - Printed Photo/
Text/ Text - Photo copy
mode, sharpness or
clearness of black lines
and black characters is
degraded.
Text/ Text - Photo copy
mode, sharpness or
clearness of black lines
and black characters is
degraded.
Set to 70 when
adjusting the
copy quality.
adjusting the
copy quality.
B (Black-
and-white
copy mode)
and-white
copy mode)
50
Set to 50 when
adjusting the
copy quality.
adjusting the
copy quality.
SIM No
ITEM
Normal setting
(Default)
Phenomenon when the set value is changed
NOTE
46-1
A
50
The density and color balance in the low density section of color copy
are changed.
are changed.
Set to the default when
adjusting the copy quality.
Do not adjust the density
in the low density section
by using this simulation.
adjusting the copy quality.
Do not adjust the density
in the low density section
by using this simulation.
B
50
C
50
D
50
E
50
F
50
G
46
H
46
I
46
46-2
A – O
50
The density in the low density section of monochrome copy is changed.
46-10 –
19
A – O
500
The color copy density and color balance are changed. (each copy
mode)
mode)
Set to the default when
adjusting the copy quality.
adjusting the copy quality.
46-20
A – O
500
The color copy density and color balance of all copy modes are
changed.
changed.
Set to the default when
adjusting the copy quality.
adjusting the copy quality.
AR-C330 SETTING AND ADJUSTMENTS 7 - 23
All the functions of SIM 44-1 must be set to ENABLE.
(The following adjustment items affect copy quality, but there is no need to adjust them frequently. In case of a trouble, however,
they should be checked and adjusted.)
they should be checked and adjusted.)
1) Adjustment item: ADJ M1, ADJ M2, ADJ M4, ADJ M6
(The following adjustment items do not affect copy quality directly.)
1) Adjustment items: ADJ M5, ADJ M11, ADJ M12, ADJ M14, ADJ M15, ADJ M16, ADJ M18, ADJ M19, ADJ M20, ADJ M23, ADJ M24,
ADJ M25
(Relationship between servicing contents and copy quality adjustment)
Note that the procedures before and after the copy quality adjustment differ depending on the conditions of the machine and the servicing
contents.
contents.
Follow the copy quality adjustment procedure flow to perform procedures according to the conditions.
There are following 5 major cases.
1) When installing
2) When performing the periodic maintenance
3) When replacing consumable parts in repair work
4) When not replacing consumable parts in repair/check work
5) When perform in repair/check work
SIM No
ITEM
NORMAL
SETTING
SETTING
CONDITION
Phenomenon when set to DISABLE
NOTE
44-1
DEVE
ENABLE
Toner concentration correction for
developer use frequency is not performed.
developer use frequency is not performed.
Improper copy, toner dispersion, image
high density section abnormality, developer
dispersion, insufficient image density
high density section abnormality, developer
dispersion, insufficient image density
All functions
must be set to
ENABLE.
must be set to
ENABLE.
HUMID
ENABLE
Process section corrections for change in
humidity (toner concentration, transfer
voltage, resist roller rotation speed
correction) are not performed.
humidity (toner concentration, transfer
voltage, resist roller rotation speed
correction) are not performed.
Improper color balance, abnormality,
improper copy, toner dispersion, developer
dispersion, improper image density, image
shift, image flow, image dirt
improper copy, toner dispersion, developer
dispersion, improper image density, image
shift, image flow, image dirt
DM POSI ENABLE
OPC drum phase correction is not
performed.
performed.
Image color shift, banding
HT
ENABLE
Half-tone image density correction is not
performed.
performed.
Improper half-tone image density, improper
copy, improper color balance, tone jump
copy, improper color balance, tone jump
TC
ENABLE
Transfer voltage correction for a change in
humidity or paper kind is not performed.
humidity or paper kind is not performed.
Half-tone image section abnormality,
improper image density, low density inside
image outline
improper image density, low density inside
image outline
MD
ENABLE
Correction (laser power) for use frequency
of OPC drum (change in sensitivity) is not
performed.
of OPC drum (change in sensitivity) is not
performed.
Insufficient image density
AR EXE
ENABLE
Automatic resist adjustment
AR ERR
ENABLE
Automatic resist adjustment error check
ADJUSTMENT ITEM
SIMULATION
ADJ M1
DV doctor gap adjustment
ADJ M2
DV roller main pole position adjustment
ADJ M4
High voltage adjustment
ADJ 1
Main charger grid voltage adjustment
8-2
ADJ 2
DV bias voltage adjustment
8-1
ADJ 3
Transfer voltage adjustment
44-30
ADJ M6
Image density sensor adjustment
ADJ 1
Image density sensor calibration
44-13
ADJ 2
Image density sensor sensing position adjustment
44-23
AR-C330 SETTING AND ADJUSTMENTS 7 - 24
(2) Copy quality adjustment procedure flow
Perform the copy quality adjustment referring to the following work flow.
No
1
2
3
4
5
6
7
8
9
10
11
22 (Auto)/
20 (Manual)
22 (Auto)/
21 (Manual)
ADJ M9A
(ADJ M9)
(ADJ M9)
ADJ M8
ADJ M7
ADJ M6
ADJ M5
ADJ M3
ADJ M9A
(ADJ M10)
(ADJ M10)
JOB No
Work item
Simulation
When
installing
Repair (When a consumable part is replaced)/maintenance
After replacing
OPC drum
After replacing
developer
After replacing
transfer belt
After disposing
transfer section
waste toner
∗
∗
∗
After cleaning
scanner
(reading) section
When in
periodic
maintenance
When in
repair/check
(without replacing
consumable parts)
Toner concentration reference control level setup
Developer counter clear
OPC drum counter clear
Image density sensor adjustment
Image density sensor position adjustment
Image skew adjustment
OPC drum phase adjustment
Transfer section waste toner counter clear
Half-tone correction level is set to zero.
Main scan direction image resist adjustment
Sub scan direction image resist adjustment
25
24
24
24
44
44
64
44
24
44
50
50
2
5
7
5
7
13
23
1
31
8
27
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
∗
START
Perform ADJ1 CCD gamma adjustment.
SIM 63-03 (Normal document mode)
Copy color balance density check
(Check in the Text/Printed photo mode. )
(Test chart UKOG-0162FCZZ/UKOG-0283FCZZ is used.)
(Check in the Text/Printed photo mode. )
(Test chart UKOG-0162FCZZ/UKOG-0283FCZZ is used.)
Are the copy
color balance and density
satisfactory ?
YES
NO
(Next page)
(Next page)
Is the CCD replaced?
YES
NO
Set the SIT chart
(UKOG-0280FCZZ) on
the original table.
Enter the SIM 63-03
mode and press the
EXECUTE key.
Copy color balance density check
(Check in the Text/Printed photo mode. )
(Test chart UKOG-0162FCZZ/UKOG-0283FCZZ is used.)
(Check in the Text/Printed photo mode. )
(Test chart UKOG-0162FCZZ/UKOG-0283FCZZ is used.)
Process correction is forcibly
performed. (SIM 44-6)
Execute the half tone image
correction. (SIM 44-26)
The necessary work items for each condition are marked with "
∗
."
When replacing a consumable part, /when repairing or checking (without replacement of a consumable part) /
when installing the machine, follow the work flow below.
when installing the machine, follow the work flow below.
: Standard adjustment flow
AR-C330 SETTING AND ADJUSTMENTS 7 - 25
Perform ADJ2 copy color
balance/density auto adjustment.
(SIM 46-24)
balance/density auto adjustment.
(SIM 46-24)
In the fine
adjustment, the copy
color balance and the
density are in the
satisfactory?
Is the color balance/
density adjustment performed
for each copy mode ? (Does
the user request that ?)
YES
YES
NO
NO
Perform the manual adjustment of
ADJ3 copy color balance, density
adjustment. (SIM 46-21)
Are the copy color
balance and density
satisfactory ?
Is it adjusted to
a customized color
balance?
YES
YES
NO
NO
Perform the copy density
adjustment in the low
density section for ADJ4
all the copy modes.
(SIM 46-10 – 19)
Check the copy color balance and the density.
(Check in the Text/Printed photo mode. )
(Use the test chart UKOG-0283FCZZ.)
(Check in the Text/Printed photo mode. )
(Use the test chart UKOG-0283FCZZ.)
END
Enter the SIM 46-24 mode and select
C:A3 (11 x 17) paper. (Auto selection)
C:A3 (11 x 17) paper. (Auto selection)
Press the EXECUTE key. (The
adjustment pattern 1 is printed.)
Set the adjustment pattern 1 on
the original table, select the
FACTORY mode, and press the
EXECUTE key. (Auto adjustment
step 1)
the original table, select the
FACTORY mode, and press the
EXECUTE key. (Auto adjustment
step 1)
*
1
Press the REPEAT key.
Press the EXECUTE key.
(Adjustment pattern 2 is printed.)
Set the adjustment pattern 2 on
the original table, and press
the EXECUTE key.
(Auto adjustment step 2)
Press the OK key. (The initial setup
of half tone image correction is
automatically performed.)
of half tone image correction is
automatically performed.)
Are the copy
color balance and
density
satisfactory ?
YES
NO
Cancel SIM 46-24.
SET M1 Auto color balance adjustment
service target is set. (SIM 63-7)
service target is set. (SIM 63-7)
Enter the SIM 63-7 mode.
Press the SETUP key.
Set the color patch image (adjustment
pattern) printed in the copy color balance/
density adjustment on the original table,
and press the EXECUTE key.
pattern) printed in the copy color balance/
density adjustment on the original table,
and press the EXECUTE key.
Press the REPEAT key.
Press the EXECUTE key.
Press the OK key.
Cancel SIM 63-7.
Perform the initial setup of half tone
image correction. (SIM 44-21)
Execute the half tone image
correction. (Forcible execution)
(SIM 44-26)
Are the copy color
balance and the density
in the specified level ?
YES
NO
Check the copy color balance and the density.
(Check in the Text/Printed photo mode. )
(Use the test chart UKOG-0283FCZZ.)
(Check in the Text/Printed photo mode. )
(Use the test chart UKOG-0283FCZZ.)
Perform the initial setup of half tone
image correction. (SIM 44-21)
Execute the half tone image correction.
(Forcible execution) (SIM 44-26)
Perform ADJ 1A CCD gamma adjustment
(copy document mode). (SIM 63-9)
(copy document mode). (SIM 63-9)
Set the copy of the SIT chart
on the document table.
on the document table.
Enter the SIM 63-9 mode,
and press the [EXECUTE] key.
and press the [EXECUTE] key.
Make a copy of the SIT chart
(UKOG-0280FCZZ) in the
Text/Printed Photo mode.
(UKOG-0280FCZZ) in the
Text/Printed Photo mode.
The number
of times is
limited to
3 times
of times is
limited to
3 times
The number
of times is
limited to
3 times
of times is
limited to
3 times
Use SIM 46-21 to
print the color
balance check
sheet, and check
the patch color
balance of process
black.
print the color
balance check
sheet, and check
the patch color
balance of process
black.
*1: When adjusting to a customized color balance,
select the SERVICE mode.
(Back page)
(Back page)
: Standard adjustment flow
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