Sharp MX-4100N / MX-4101N / MX-5000N / MX-5001N (serv.man13) Service Manual ▷ View online
MX-4101N ADJUSTMENTS 5 – 16
7-B
OPC drum phase adjustment
(Manual adjustment)
(Manual adjustment)
NOTE: The OPC drum phase adjustment by manual is not recom-
mended. Cause judgement of adjustment pattern differ in
individuals. Auto adjustment mode with SIM50-22 is rec-
ommended.
individuals. Auto adjustment mode with SIM50-22 is rec-
ommended.
1)
Enter SIM44-31 mode.
2)
Enter "1" with 10-key in the PRINT MODE of set item A, and
press [OK] key.
press [OK] key.
3)
Select the paper feed stage with A3 (or 11" x 17") in it with
PAPER SELECT of set item C, and press [OK] key.
PAPER SELECT of set item C, and press [OK] key.
4)
Press [EXECUTE] key.
The adjustment patterns (8 pages) are printed.
The adjustment patterns (8 pages) are printed.
Each identification number ("1" - "8") is printed on each printed
page of 8 adjustment patterns.
page of 8 adjustment patterns.
5)
Check the deflection in 94mm pitch cycle of each C/M/Y print
pattern. Select a print pattern of the smallest deflection for
each color of C/M/Y, and use the pattern identification number
as the adjustment value, and enter it to set item B. Press [OK]
key.
pattern. Select a print pattern of the smallest deflection for
each color of C/M/Y, and use the pattern identification number
as the adjustment value, and enter it to set item B. Press [OK]
key.
NOTE: If there is a peculiar deflection other than the drum cycle
(94mm pitch), check the following conditions.
• OPC drum drive section
• Transfer belt drive section
• Paper feed drive section
• Each motor speed set value (Set value of SIM48-6)
• OPC drum drive section
• Transfer belt drive section
• Paper feed drive section
• Each motor speed set value (Set value of SIM48-6)
EXECUTE
EXECUTE
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EXECUTE
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or end of print
When the deflection exceeds the range
between 2 lines in the printed result.
between 2 lines in the printed result.
10-key
or end of print
94mm
94mm
94mm
94mm
MX-4101N ADJUSTMENTS 5 – 17
ADJ 8
Print engine image
magnification ratio adjustment
(BK) (Main scanning direction)
(Print engine section) (Manual
adjustment)
magnification ratio adjustment
(BK) (Main scanning direction)
(Print engine section) (Manual
adjustment)
This adjustment is needed in the following situations:
* When the LSU (writing) unit is replaced.
* U2 trouble has occurred.
* The PCU PWB has been replaced.
* The EEPROM of the PCU PWB has been replaced.
* When the color shift occurs.
1)
* When the LSU (writing) unit is replaced.
* U2 trouble has occurred.
* The PCU PWB has been replaced.
* The EEPROM of the PCU PWB has been replaced.
* When the color shift occurs.
1)
Go through the modes specified in Simulation 50-10.
2)
Set A4 (11" x 8.5") paper in the paper feed tray.
3)
Select the paper feed tray set in procedure 2) with the scroll
key.
key.
4)
Press [EXECUTE] key.
The check pattern is printed out.
The check pattern is printed out.
5)
Check that the inside dimension of the printed half tone is 240
±0.5mm.
±0.5mm.
If the above requirement is not met, do the following steps.
6)
Change the set value of set item A.
When the set value is changed by 1, the dimension is changed
by 0.1mm.
When the set value is increased, the BK image magnification
ratio in the main scanning direction is increased. When the set
value is decreased, the BK image magnification ratio in the
main scanning direction is decreased.
When the set value is changed by 1, the dimension is changed
by 0.1mm.
When the set value is increased, the BK image magnification
ratio in the main scanning direction is increased. When the set
value is decreased, the BK image magnification ratio in the
main scanning direction is decreased.
Repeat procedures 2) - 6) until a satisfactory result is obtained.
ADJ 9
Image off-center adjustment
(Print engine section)
(Print engine section)
This adjustment is needed in the following situations:
* When the LSU is replaced or removed.
* When a paper tray is replaced.
* When the paper tray section is disassembled.
* When [ADJ8] print engine image magnification ratio (BK) (main
* When the LSU is replaced or removed.
* When a paper tray is replaced.
* When the paper tray section is disassembled.
* When [ADJ8] print engine image magnification ratio (BK) (main
scanning direction) is performed.
* When the manual feed tray is replaced.
* When the manual feed tray is disassembled.
* When the duplex section is disassembled.
* When the duplex section is installed or replaced.
* When the large capacity paper feed tray is installed or replaced.
* When the large capacity paper feed tray section is disassembled.
* When the regist roller section is disassembled.
* U2 trouble has occurred.
* The PCU PWB has been replaced.
* The EEPROM of the PCU PWB has been replaced.
(Note)
Before execution of this adjustment, check to insure the following
item.
* Check that the print engine image magnification ratio adjustment
* When the manual feed tray is disassembled.
* When the duplex section is disassembled.
* When the duplex section is installed or replaced.
* When the large capacity paper feed tray is installed or replaced.
* When the large capacity paper feed tray section is disassembled.
* When the regist roller section is disassembled.
* U2 trouble has occurred.
* The PCU PWB has been replaced.
* The EEPROM of the PCU PWB has been replaced.
(Note)
Before execution of this adjustment, check to insure the following
item.
* Check that the print engine image magnification ratio adjustment
(BK) (main scanning direction) has been properly adjusted.
1)
Enter SIM50-10 mode.
EXECUTE
End of print
EXECUTE
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EXECUTE
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EXECUTE
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MX-4101N ADJUSTMENTS 5 – 18
2)
Select set item J with the scroll key and enter the value corre-
sponding to the paper feed tray to be adjusted.
sponding to the paper feed tray to be adjusted.
3)
Set A4 (11" x 8.5") paper in the paper feed tray selected in pro-
cedure 2).
cedure 2).
4)
Press [EXECUTE] key.
The adjustment pattern is printed.
The adjustment pattern is printed.
5)
Check that the adjustment pattern image is printed in the cor-
rect position.
Measure the dimension of the void area in the front and the
rear frame direction of the adjustment pattern, and check that
all the following conditions are satisfied.
rect position.
Measure the dimension of the void area in the front and the
rear frame direction of the adjustment pattern, and check that
all the following conditions are satisfied.
RV: REAR VOID AREA
FV: FRONT VOID AREA
FV: FRONT VOID AREA
RV + FV
≤ 4.0mm
RV = 2.0
± 2.0mm
FV = 2.0
± 2.0mm
If the above requirement is not met, do the following steps.
6)
Select the paper feed mode adjustment item (B - H) to be
adjusted with the scroll key.
adjusted with the scroll key.
7)
Change the adjustment value.
Enter the adjustment value and press the [OK] key or the
[EXECUTE] key.
When [EXECUTE] key is pressed, the adjustment pattern is
printed.
When the adjustment value is increased, the adjustment pat-
tern is shifted to the front frame side. When it is decreased, the
adjustment pattern is shifted to the rear frame side.
When the set value is changed by 1, the shift distance is
changed by about 0.1mm.
Repeat procedures 3) - 7) until the conditions of procedure 5)
are satisfied.
In case a satisfactory result cannot be obtained by repeating
the above procedures, perform the following procedure.
Enter the adjustment value and press the [OK] key or the
[EXECUTE] key.
When [EXECUTE] key is pressed, the adjustment pattern is
printed.
When the adjustment value is increased, the adjustment pat-
tern is shifted to the front frame side. When it is decreased, the
adjustment pattern is shifted to the rear frame side.
When the set value is changed by 1, the shift distance is
changed by about 0.1mm.
Repeat procedures 3) - 7) until the conditions of procedure 5)
are satisfied.
In case a satisfactory result cannot be obtained by repeating
the above procedures, perform the following procedure.
Display/Item
Content
Setting
range
De-
fault
A
BK-MAG
Main scan print
magnification ratio BK
magnification ratio BK
60 - 140
100
B
MAIN-MFT
Print off center adjustment
value (Manual paper feed)
value (Manual paper feed)
1 - 99
50
C
MAIN-CS1
Print off center adjustment
value
(Tray 1)
value
(Tray 1)
1 - 99
50
D
MAIN-CS2
Print off center adjustment
value
(Tray 2)
value
(Tray 2)
1 - 99
50
E
MAIN-CS3
Print off center adjustment
value
(Tray 3)
value
(Tray 3)
1 - 99
50
F
MAIN-CS4
Print off center adjustment
value
(Tray 4)
value
(Tray 4)
1 - 99
50
G
MAIN-LCC
Print off center adjustment
value
(LCC)
value
(LCC)
1 - 99
50
H
MAIN-ADU
Print off center adjustment
value (ADU)
value (ADU)
NOTE:
Before execution of
this adjustment,
check to insure that
the adjustment
items A - G have
been properly
adjusted. If not, this
adjustment cannot
be made properly.
this adjustment,
check to insure that
the adjustment
items A - G have
been properly
adjusted. If not, this
adjustment cannot
be made properly.
1 - 99
50
I
SUB-MFT
Registration
motor ON
Timing
adjustment
motor ON
Timing
adjustment
Manual
paper feed
paper feed
1 - 99
50
J
SUB-CS12
Standard
tray
tray
1 - 99
50
K
SUB-CS34
DESK 1
-
99
50
L
SUB-LCC
LCC 1
-
99
50
M
SUB-ADU
ADU
1 - 99
50
N
MULTI COUNT
Number of print
1 - 999
1
O
PAPER
MFT
Tray
selection
selection
Manual paper
feed
feed
1 - 6
1
2
(CS1)
CS1
Tray 1
2
CS2
Tray 2
3
CS3
Tray 3
4
CS4
Tray 4
5
LCC
LCC
6
P
DUPLEX
YES
Duplex
print
selection
selection
Yes
0 - 1
0
1
(NO)
NO
No
1
RV
2.0mm
2.0mm
2.0mm
FV
2.0mm
2.0mm
2.0mm
MX-4101N ADJUSTMENTS 5 – 19
8)
Loosen the paper feed tray off-center adjustment screws (2
pcs.) at the center section of the lift plate of the paper feed tray,
and change the gear unit position in the front/rear frame direc-
tion. Repeat the adjustment procedures from 4).
pcs.) at the center section of the lift plate of the paper feed tray,
and change the gear unit position in the front/rear frame direc-
tion. Repeat the adjustment procedures from 4).
ADJ 10
Image registration adjustment
(Print engine section)
(Print engine section)
This adjustment is needed in the following situations:
* When the color shift occurs.
* When the LSU (writing) unit is replaced.
* When the LSU (writing) unit is removed from the main unit.
* When the color image registration mistake in the main scanning
* When the color shift occurs.
* When the LSU (writing) unit is replaced.
* When the LSU (writing) unit is removed from the main unit.
* When the color image registration mistake in the main scanning
direction occurs.
* When the color image registration mistake in the sub scanning
direction occurs
* When the unit is installed or when the installing place is changed.
* When maintenance work is performed. (Replacement of the
* When maintenance work is performed. (Replacement of the
OPC drum, the OPC cartridge, the transfer unit, the transfer belt,
etc.)
etc.)
* When [ADJ8] print engine image magnification ratio (BK) (main
scanning direction) is performed.
* U2 trouble has occurred.
* The PCU PWB has been replaced.
* The EEPROM of the PCU PWB has been replaced.
Note before adjustment
(Before execution of this adjustment, all the following adjustments
must have been completed.)
* Image skew adjustment (LSU (writing) unit)
* [ADJ8] print engine image magnification ratio (BK) (main scan-
* The PCU PWB has been replaced.
* The EEPROM of the PCU PWB has been replaced.
Note before adjustment
(Before execution of this adjustment, all the following adjustments
must have been completed.)
* Image skew adjustment (LSU (writing) unit)
* [ADJ8] print engine image magnification ratio (BK) (main scan-
ning direction) (print engine section)
10-A
Image registration adjustment (Main
scanning direction, sub scanning direction)
(Auto adjustment)
scanning direction, sub scanning direction)
(Auto adjustment)
In this adjustment, the image registration adjustment in the main
scanning direction and that in the sub scanning direction are exe-
cuted simultaneously and automatically.
1)
scanning direction and that in the sub scanning direction are exe-
cuted simultaneously and automatically.
1)
Enter SIM50-22 mode.
2)
Press [REGIST] key to select the image registration adjust-
ment auto adjustment mode.
ment auto adjustment mode.
3)
Press [EXECUTE] key.
[EXECUTE] key is highlighted and the image registration auto
adjustment is started. After completion of the adjustment,
[EXECUTE] key returns to the normal display and the adjust-
ment result is displayed.
It takes about 40 sec to complete the adjustment.
[EXECUTE] key is highlighted and the image registration auto
adjustment is started. After completion of the adjustment,
[EXECUTE] key returns to the normal display and the adjust-
ment result is displayed.
It takes about 40 sec to complete the adjustment.
Abnormal end
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Adjustment completed
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