Sharp AR-C330 (serv.man5) Service Manual ▷ View online
AR-C330 SETTING AND ADJUSTMENTS 7 - 10
3) Check the following items with the check pattern.
∗
Check that the section of the greatest density of C and M in
MSR check pattern, MSF check pattern 1, and SS check pattern
is in the range of ± 1 with the black triangle mark as the center
reference.
If this check is difficult, perform the following procedure.
Check that the print lines of M and C in SS check pattern 2,
MSF check pattern 2, and MSR check pattern 2 coincide with
the print lines of K.
MSR check pattern, MSF check pattern 1, and SS check pattern
is in the range of ± 1 with the black triangle mark as the center
reference.
If this check is difficult, perform the following procedure.
Check that the print lines of M and C in SS check pattern 2,
MSF check pattern 2, and MSR check pattern 2 coincide with
the print lines of K.
∗
Check that the print line of Y in the check (adjustment) pattern of
MSR check pattern 2, MSF check pattern 2, and SS check pat-
tern 2 coincides with the print line of K.
MSR check pattern 2, MSF check pattern 2, and SS check pat-
tern 2 coincides with the print line of K.
If the above conditions are satisfied, cancel the simulation and ter-
minate the adjustment.
minate the adjustment.
If the above conditions are not satisfied, perform the following pro-
cedures.
cedures.
4) Set the printed check (adjustment) pattern on the document
table.
At that time, adjust so that the white triangle mark comes to
the center of the left side of the document table, and place 10
sheets of white paper on it.
the center of the left side of the document table, and place 10
sheets of white paper on it.
Check that the check (adjustment) pattern is in close contact
with the document table.
with the document table.
5) Press the [EXECUTE] key.
The check (adjustment) pattern is scanned (read) and the
image resist adjustment is automatically performed. (It takes
about 30 sec for scanning (reading) and calculation.)
image resist adjustment is automatically performed. (It takes
about 30 sec for scanning (reading) and calculation.)
The calculated adjustment value is displayed together with the
adjustment result (EXACT, ROUGH, ERROR).
adjustment result (EXACT, ROUGH, ERROR).
When "ERROR" is displayed, check the following items and repeat
procedures from procedure 1 or perform the manual adjustment of
image resist (ADJ M9/ADJ 1/ADJ 2).
procedures from procedure 1 or perform the manual adjustment of
image resist (ADJ M9/ADJ 1/ADJ 2).
∗
The paper is not placed properly.
∗
Dirt and dust on the glass and mirrors.
∗
The check (adjustment) pattern is dirty, folded, or not in close
contact with the document glass.
contact with the document glass.
When the check (adjustment) pattern is normally scanned (read),
the image resist adjustment is automatically performed and
EXACT or ROUGH is displayed, go to procedure 6).
the image resist adjustment is automatically performed and
EXACT or ROUGH is displayed, go to procedure 6).
6) Press the [EXECUTE] key.
A4 or 8.5 x 11 paper is automatically selected and a check
(adjustment) pattern is printed.
(adjustment) pattern is printed.
7) Perform the same procedure as procedure 3). If the image
resist is within the specified range, adjustment is completed.
If the adjustment is repeated twice and the image resist is not
within the specified range, perform the manual adjustment of
image resist (ADJ M9/ADJ 1/ADJ 2).
within the specified range, perform the manual adjustment of
image resist (ADJ M9/ADJ 1/ADJ 2).
If the image resist adjustment (auto) has been satisfactorily com-
pleted with SIM 50-22, there is no need to perform the following
procedures.
pleted with SIM 50-22, there is no need to perform the following
procedures.
1) ADJ M9 (Main scanning direction image resist adjustment/
Main scanning direction image magnification ratio adjustment)
SIM 50-20
SIM 50-20
2) ADJ M10 (Sub scanning direction image resist adjustment)
SIM 50-21
This adjustment must be performed in the following cases:
• When the black scanner (writing) unit is replaced.
• When a U2 trouble occurs.
• When the ICU main PWB is replaced.
• When the EEPROM of the ICU main PWB is replaced.
1) Enter the SIM 50-10 mode.
2) Select H: BLACK LD MAG.
3) Press the [EXECUTE] key.
4) Check that the dimension inside the printed half tone pattern is
220mm.
Use one of the following paper sizes (A4/A3/11" x 8.5"/11" x
17")
17")
5) If the dimension is not as specified above, change the set
value and perform an adjustment again.
Enter the adjustment value with the 10-key and press the [OK]
key.
key.
EXACT:
The adjustment has been normally completed.
ROUGH:
The accuracy of the adjustment is lower than EXACT
due to dirt, dusts, and improper placing of the check
(adjustment) pattern, etc.
due to dirt, dusts, and improper placing of the check
(adjustment) pattern, etc.
ERROR:
Adjustment error due to erroneous scanning
Check (adjust) pattern
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)
magnification ratio 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)
magnification ratio adjustment
(Scanner (Writing) unit) (Black)
220mm
AR-C330 SETTING AND ADJUSTMENTS 7 - 11
This adjustment must be performed in the following cases:
• When the scanner (writing) unit is replaced.
• When the scanner (writing) unit is removed from the machine.
• When the main scanning direction image magnification ratio
(scanner (writing) unit (Black)) is performed.
• When a color image mis-resist occurs in the main scanning
direction.
• When the installing position is changed.
• When a U2 trouble occurs.
• When the ICU main PWB is replaced.
• When the EEPROM of the ICU main PWB is replaced.
1) Enter the SIM 50-20 mode.
2) Select the paper feed cassette of A3 (11" x 17") paper in the
setup item H (PAPER SEL).
∗
Use the paper tray at the bottom.
3) Press the [EXECUTE] key. The adjustment pattern is printed.
4) Check the print patterns of the rough adjustment and the fine
adjustment for equal color on the front and the rear side.
Rough adjustment print pattern check: Check that the rough
adjustment print pattern is at the center for the rough adjust-
ment reference pattern.
adjustment print pattern is at the center for the rough adjust-
ment reference pattern.
Fine adjustment print pattern check: Check that the fine
adjustment print pattern is at the center for the fine adjustment
reference pattern.
(If the fine adjustment print pattern is in the range of 0 ± 1 for
the scale of the fine adjustment reference pattern, there is no
need to adjust.)
adjustment print pattern is at the center for the fine adjustment
reference pattern.
(If the fine adjustment print pattern is in the range of 0 ± 1 for
the scale of the fine adjustment reference pattern, there is no
need to adjust.)
ADJ 2
Main scanning direction color image
registration adjustment (Scanner
(Writing) unit) (Color)
Main scanning direction copy
magnification ratio adjustment
(Scanner (Writing) unit) (Color)
registration adjustment (Scanner
(Writing) unit) (Color)
Main scanning direction copy
magnification ratio adjustment
(Scanner (Writing) unit) (Color)
∗
A: Rough adjustment pattern
∗
B: Fine adjustment pattern
∗
C: Adjustment range (0
±
1)
AR-C330 SETTING AND ADJUSTMENTS 7 - 12
[How to read the pattern]
When deflection is made to the positive (+) side in the rough
adjustment, increase the value on the positive (+) side.
adjustment, increase the value on the positive (+) side.
When the deflection is made to the negative (–) side in the rough
adjustment, increase the value on the negative (–) side.
adjustment, increase the value on the negative (–) side.
[Main scan registration adjustment pattern]
(Example) Set the simulation values as shown below.
If the rough adjustment pattern or the fine adjustment pattern is
not in the above range, perform the following procedures.
not in the above range, perform the following procedures.
5) Calculate the shift from the adjustment reference position for
each adjustment mode.
The sum of the shift of rough adjustment reference and the
shift of fine adjustment is the actual shift.
shift of fine adjustment is the actual shift.
Shift (Correction value) = Rough adjustment shift + Fine
adjustment shift
adjustment shift
The interval between scales of the rough adjustment reference
corresponds to 20. Be careful of polarities of the shift (positive
or negative) when calculating.
corresponds to 20. Be careful of polarities of the shift (positive
or negative) when calculating.
6) Select the mode to be adjusted with the scroll key.
7) Add or reduce to or from the current adjustment value, enter
the obtained value, and press the [OK] key.
• When the shift (correction value) is positive:
Adjustment value = Current adjustment value + Shift (Cor-
rection value)
rection value)
• When the shift (correction value is negative:
Adjustment value = Current adjustment value – Shift (Cor-
rection value)
rection value)
8) Press the [EXECUTE] key.
The adjustment pattern is printed.
Check that the conditions of procedure 4) are satisfied.
Repeat procedures 4) – 8) until the conditions of procedure 4)
are satisfied.
are satisfied.
NOTE: When either of the adjustment values of the front and the
rear adjustment mode is changed, the other adjustment
print pattern may be varied. Be careful of that.
print pattern may be varied. Be careful of that.
When the adjustment can be completed with a fine adjust-
ment, perform the front adjustment mode first, and then
perform the rear adjustment mode after completion of the
front adjustment.
ment, perform the front adjustment mode first, and then
perform the rear adjustment mode after completion of the
front adjustment.
Before performing this adjustment, be sure to adjust the K
magnification ratio (SIM 50-10, H) properly.
magnification ratio (SIM 50-10, H) properly.
This adjustment must be performed in the following cases:
• When the scanner (writing) unit is replaced.
• When the scanner (writing) unit is removed from the machine.
• When a color image mis-resist occurs in the sub scanning direc-
tion.
• When the installing position is changed.
• When a U2 trouble occurs.
• When the ICU main PWB is replaced.
• When the EEPROM of the ICU main PWB is replaced.
∗
A: Rough adjustment pattern
∗
B: Fine adjustment pattern
∗
C: Adjustment range
A: 100
→
Reset value
A: 93 (=100 –7)
B: 112
B: 100 (=112 –12)
C: 95
C: 96 (=95+1)
D: 98
D: 109 (=98+11)
E: 102
E: 109 (=102+7)
F: 96
F: 118 (=96+22)
-11
9
-11
9
-12
8
-12
8
-13
7
-13
7
-14
6
-14
6
-15
5
-15
5
-16
4
-16
4
-17
3
-17
3
-18
2
-18
2
-19
1
-19
1
0
0
0
0
-1
19
-1
19
-2
18
-2
18
-3
17
-3
17
-4
16
-4
16
-5
15
-5
15
-6
14
-6
14
-7
13
-7
13
-8
12
-8
12
-9
11
-9
11
-60
60
-60 60
When the read value is –27
(= –20 – 7):
When the read value is 27
(= 20 +7 ):
(Example)
When the simulation is set to 105,
newly set to 132 (= 105 + 27).
When the simulation is set to 105,
newly set to 132 (= 105 + 27).
(Example)
When the simulation is set to 105,
newly set to 78 (= 105 – 27).
When the simulation is set to 105,
newly set to 78 (= 105 – 27).
20
20
∗
C
∗
A
∗
A
∗
B
∗
C
∗
B
Yellow
-11
9
-11
9
-12
8
-12
8
-13
7
-13
7
-14
6
-14
6
-15
5
-15
5
-16
4
-16
4
-17
3
-17
3
-18
2
-18
2
-19
1
-19
1
0
0
0
0
-1
19
-1
19
-2
18
-2
18
-3
17
-3
17
-4
16
-4
16
-5
15
-5
15
-6
14
-6
14
-7
13
-7
13
-8
12
-8
12
-9
11
-9
11
Magenta -11
9
-11
9
-12
8
-12
8
-13
7
-13
7
-14
6
-14
6
-15
5
-15
5
-16
4
-16
4
-17
3
-17
3
-18
2
-18
2
-19
1
-19
1
0
0
0
0
-1
19
-1
19
-2
18
-2
18
-3
17
-3
17
-4
16
-4
16
-5
15
-5
15
-6
14
-6
14
-7
13
-7
13
-8
12
-8
12
-9
11
-9
11
Cyan
-11
9
-11
9
-12
8
-12
8
-13
7
-13
7
-14
6
-14
6
-15
5
-15
5
-16
4
-16
4
-17
3
-17
3
-18
2
-18
2
-19
1
-19
1
0
0
0
0
-1
19
-1
19
-2
18
-2
18
-3
17
-3
17
-4
16
-4
16
-5
15
-5
15
-6
14
-6
14
-7
13
-7
13
-8
12
-8
12
-9
11
-9
11
-60
60
-60
60
-60
60
-60
60
-60
60
-60
60
[E]
[C]
[A]
[F]
[D]
[B]
ADJ M10
Sub scanning direction color image
resist adjustment (Manual
adjustment) (Scanner (Writing)
unit) (Color)
resist adjustment (Manual
adjustment) (Scanner (Writing)
unit) (Color)
AR-C330 SETTING AND ADJUSTMENTS 7 - 13
1) Enter the SIM 50-21 mode.
2) Select the paper feed cassette of A4 (8 1/2" x 11") paper in the
setup item E (PAPER SEL).
∗
Use the paper tray at the bottom.
3) Press the [EXECUTE] key. The adjustment pattern is printed.
4) Check the rough adjustment print pattern position and the fine
adjustment print pattern position for each color.
• Rough adjustment print pattern check
Check that the rough adjustment print pattern is at the cen-
ter of the rough adjustment reference pattern.
ter of the rough adjustment reference pattern.
• Fine adjustment print pattern check
Check that the fine adjustment print pattern is at the center
of the fine adjustment reference pattern.
of the fine adjustment reference pattern.
(If the fine adjustment print pattern is in the range of 0 ± 1 for
the scale of the fine adjustment reference pattern, there is no
need to adjust.)
the scale of the fine adjustment reference pattern, there is no
need to adjust.)
∗
A
∗
B
∗
A: Rough adjustment pattern
∗
B: Fine adjustment pattern
∗
C: Adjustment range
∗
C
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