Sharp MX-3050N / MX-3060N / MX-3070N / MX-3550N / MX-3560N / MX-3570N / MX-4050N / MX-4060N / MX-4070N (serv.man9) Service Manual ▷ View online
MX-4070N 2 – 21
(5)
Specifications setup
Use simulation 26-6 to set the machines destination.
After completion of destination settings, change the set values to cus-
tomize the following settings.
tomize the following settings.
C. Image quality check
(1)
Execution items
Execute the following items.
When there are defects in a picture by the contents mentioned above,
you carry out the following contents, and confirm a picture.
you carry out the following contents, and confirm a picture.
(2)
Description
a. Print engine image distortion adjustment (Manual adjustment)
/ OPC drum phase adjustment (Automatic adjustment) / Color
registration adjustment (Automatic adjustment)
registration adjustment (Automatic adjustment)
This adjustment performs the print engine image distortion adjustment,
the OPC drum phase adjustment, and the color registration adjust-
ment simultaneously.
the OPC drum phase adjustment, and the color registration adjust-
ment simultaneously.
1)
Enter SIM50-22 mode.
SIM No
Content
26
6
Used to set the destination.
SIM No
Content
26
3
Used to set the auditor specification mode.
5
Used to set the count mode of the total counter and
the maintenance counter.
the maintenance counter.
18
Used to set YES/NO of the toner save mode (Only in
UK and Japan versions)
* For other destination versions, this setup is made
UK and Japan versions)
* For other destination versions, this setup is made
by the user program.
52
Used to set YES/NO of counting when non-print
paper is passed through each counter.
paper is passed through each counter.
65
Used to set the limit number of sheets for stapling.
No.
Item
SIM
1
Print engine image distortion adjustment (Manual
adjustment) / OPC drum phase adjustment
(Automatic adjustment) / Color registration adjustment
(Automatic adjustment)
adjustment) / OPC drum phase adjustment
(Automatic adjustment) / Color registration adjustment
(Automatic adjustment)
50-22
2
Clear the laser power correction value
61-13
FR density variation correction
61-11
3
Copy/Printer color balance and density adjustment
(Automatic adjustment)
(Automatic adjustment)
46-74
4
Copy color balance and density check
5
Printer color balance/density check
64-5
No.
Item
SIM
6
Print/scan image off-center, lead edge position
adjustment
adjustment
50-10
Į
EXECUTE
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Adjustment completed
Abnormal end
MX-4070N 2 – 22
2)
Press [EXECUTE] key.
[EXECUTE] key is highlighted and the image registration auto-
matic adjustment is started. (It takes about 30 sec to complete the
adjustment.)
matic adjustment is started. (It takes about 30 sec to complete the
adjustment.)
3)
When the adjustment is completed, [EXECUTE] key returns to the
normal display, and the value of the adjustment result is dis-
played.
normal display, and the value of the adjustment result is dis-
played.
The current skew level for each color is displayed on the SKEW
display section.
display section.
4)
Write down the displayed skew level.
(Meaning of the skew level value and the adjustment procedure)
(Meaning of the skew level value and the adjustment procedure)
* If "OK" is displayed for all items of SKEW C,
M, and Y, there is no need to perform the adjustment.
* When "R" is displayed at the head of the value, turn the LSU
skew adjustment screw clockwise.
* When "L" is displayed at the head of the value, turn the LSU
skew adjustment screw counterclockwise.
* The turning amount of the adjustment screw corresponds to
each adjustment value. C, M, and Y indicate numbers of clicks.
The display value is rounded at the decimal point.
* "C, M, and Y(SKEW)" shows the number of adjustment click
steps for each adjustment screw of C, M, and Y.
steps for each adjustment screw of C, M, and Y.
Contents in ( )
MIAN, SUB: Difference from the previous adjustment value of
image registration.
image registration.
Example:
If 105 for this time and 103 for the previous time,
it is displayed as 105.0 (+2.0).
it is displayed as 105.0 (+2.0).
SKEW: Judgment of the LSU skew adjustment result. OK or NG.
PHASE: OPC drum phase adjustment value of the previous time
5)
The procedures 2) to 4) again, and check to confirm that C, M,
and Y (SKEW) are OK.
and Y (SKEW) are OK.
If any of them is NG, turn the LSU skew adjustment screw of the
corresponding color to adjust.
corresponding color to adjust.
When the adjustment is made by turning the LSU skew adjustment
screw of K, the states of C, M and Y (SKEW) are changed. Execute
SIM50-22 to check to confirm that C, M, and Y (SKEW) are OK.
screw of K, the states of C, M and Y (SKEW) are changed. Execute
SIM50-22 to check to confirm that C, M, and Y (SKEW) are OK.
When an abnormality occurs, "ERROR" is displayed.
In this case, check each drive section and the process section.
b. FR density variation correction
Before executing this adjustment, be sure to check the following
items.
items.
* There must be a tray with A4 (LT) paper in it.
A. Clear the laser power correction value
1)
Enter the SIM 61-13 mode.
2)
Press [EXECUTE] key. And press [YES] key.
Press [EXIT] key and reboot.
B. FR density variation correction
1)
Enter the SIM 61-11 mode.
2)
Press [DATA] key. Confirm that all the values become 50.
3)
Press [BACK] key and return to SIM61-11 mode screen.
Press [AUTO CORRECTION] key.
4)
Press [EXECUTE] key, and self printing of the adjustment patch is
started.
started.
5)
Set the printed sample so that the arrow direction is fit with the left
edge section for scanning on the OC in the A4R(LTR) direction,
and press [EXECUTE] key. Place 5 sheets of white paper on the
printed adjustment pattern.
edge section for scanning on the OC in the A4R(LTR) direction,
and press [EXECUTE] key. Place 5 sheets of white paper on the
printed adjustment pattern.
6)
After pattern reading for the adjustment, the adjustment result pat-
tern is printed automatically, and adjustment is completed.
tern is printed automatically, and adjustment is completed.
MX-4070N 2 – 23
c. Copy/Printer color balance and density adjustment (Automatic
adjustment)
When a printer option is installed, be sure to execute the above item.
1)
Enter the SIM46-74 mode.
2)
Press [EXECUTE] key.
The high density process control is performed, and the copy color
patch image (adjustment pattern) is printed out.
(A4/11" x 8.5" or A3/11" x 17" paper is automatically selected.)
patch image (adjustment pattern) is printed out.
(A4/11" x 8.5" or A3/11" x 17" paper is automatically selected.)
3)
Set the color patch image (adjustment pattern) paper printed in
procedure 2) on the document table.
procedure 2) on the document table.
Set the color patch image (adjustment pattern) printed in the pro-
cedure 2) on the document table. Place the color patch image so
that the fine lines are on the left side. At that time, place 5 sheets
of white paper on the printed color patch image (adjustment pat-
tern).
cedure 2) on the document table. Place the color patch image so
that the fine lines are on the left side. At that time, place 5 sheets
of white paper on the printed color patch image (adjustment pat-
tern).
4)
Select [FACTORY] target, and press [EXECUTE] key.
When the color balance is customized by the manual color bal-
ance adjustment (SIM 46-21) according to the user's request, and
the color balance is registered with SIM63-7 as the service target,
if the color balance is required to be adjusted, select the [SER-
VICE] target.
ance adjustment (SIM 46-21) according to the user's request, and
the color balance is registered with SIM63-7 as the service target,
if the color balance is required to be adjusted, select the [SER-
VICE] target.
The copy color balance adjustment is automatically executed and
prints the color balance check patch image.
prints the color balance check patch image.
If there is any streak or unclear print on the printed check pattern,
check the print engine for any problems.
check the print engine for any problems.
5)
Press [EXECUTE] key.
The printer color patch image (adjustment pattern) is printed out.
(A4/11" x 8.5" or A3/11" x 17" paper is automatically selected.)
(A4/11" x 8.5" or A3/11" x 17" paper is automatically selected.)
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Q
O P
N
M
L
K
J
I
H
G
F
E
D
C
B
A
Y
M
C
Bk
High
density
density
Low
density
density
1) The max. density section is not blurred.
2) Patch C or D of each of Y, M, C, and BK is very slightly copied.
3) Patch for each of Y, M, C, BK
The patch density is identical between patches or not reversed.
The patch density is changed gradually.
The patch density is changed gradually.
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MX-4070N 2 – 24
6)
Set the color patch image (adjustment pattern) printed in the pro-
cedure 5) on the document table.
cedure 5) on the document table.
Set the color patch image (adjustment pattern) printed in the pro-
cedure 2) on the document table. Place the color patch image so
that the fine lines are on the left side. At that time, place 5 sheets
of white paper on the printed color patch image (adjustment pat-
tern).
cedure 2) on the document table. Place the color patch image so
that the fine lines are on the left side. At that time, place 5 sheets
of white paper on the printed color patch image (adjustment pat-
tern).
7)
Select [FACTORY] target, and press [EXECUTE] key.
When the color balance is customized with the manual color bal-
ance adjustment (SIM 67-25) according to the user's request and
the color balance is registered as the service target with SIM 67-
27, if the color balance is adjusted to that color balance, select the
[SERVICE] target.
ance adjustment (SIM 67-25) according to the user's request and
the color balance is registered as the service target with SIM 67-
27, if the color balance is adjusted to that color balance, select the
[SERVICE] target.
The printer color balance adjustment (step 1) is automatically per-
formed and the color balance check patch image is printed out.
formed and the color balance check patch image is printed out.
If there is any streak or unclear print on the printed check pattern,
check the print engine for any problems.
check the print engine for any problems.
8)
The initial setting menu of the half-tone image correction is dis-
played. Press [OK] key.
played. Press [OK] key.
The initial setting of the half-tone image correction is performed.
9)
Wait until [EXECUTE] key is displayed. When it is displayed,
press it.
press it.
The half-tone image correction is performed.
10) When "COMPLETED THIS PROCEDURE" is displayed, the
adjustment operation is completed.
Cancel SIM46-74.
The adjustment result becomes valid only when the both adjust-
ments in the copy mode and in the printer mode are completed.
ments in the copy mode and in the printer mode are completed.
For example, if the copy color balance adjustment (automatic
adjustment) is performed and the simulation is canceled, the
adjustment result is invalid.
adjustment) is performed and the simulation is canceled, the
adjustment result is invalid.
PRINTER CALIBRATION
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1) The max. density section is not blurred.
2) Patch C or D of each of Y, M, C, and BK is copied.
3) Patch for each of Y, M, C, BK
The patch density is identical between patches or not reversed.
The patch density is changed gradually.
The patch density is changed gradually.
High density
Low density
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