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MX-4101N  ADJUSTMENTS  5 – 57

c. Adjustment procedure
(Auto color balance adjustment by the serviceman)

YES

NO

NO

YES

YES

NO

Copy color balance and density adjustment (Automatic adjustment)
(SIM46-24) procedure flowchart

Start

Execute ADJ20B Copy color balance and density adjustment
(automatic density).

Enter the SIM46-24 mode, and select A4 (11 x 17) paper.
(Automatic selection)

Press [EXECUTE] key. (The adjustment pattern is printed.)

Set the adjustment pattern on the document table. Select the factory
target or the service target, and press [EXECUTE] key.
(The adjustment pattern is scanned, and the adjustment is automati-
cally performed to print the check pattern.) (*1)

Check the printed check pattern for any streaks or unclear copy. (*4)

Press [OK] key, and the initial setting of the half tone image correction
is automatically performed.

Cancel SIM46-24

Check the color balance and density adjustment result.

Use the test chart (UKOG-0317FCZZ/UKOG-0317FC11) to make a
copy in the Text/Printed Photo mode, and check the copy color bal-
ance and density.

Use SIM46-21 to print the color balance check pattern, and check the
patch color balance and density in the process gray. (If the color bal-
ance is slightly shifted to Magenta, it is properly adjusted.)

Are the color balance and den-
sity at the satisfactory level?

Check that the initial setting of the half tone image correction was properly
performed. (*3)

Execute the initial setting of the half tone image correction.
(SIM44-21)

Execute the half tone image correction. (SIM44-26)

Use the test chart (UKOG-0317FCZZ/UKOG-0317FC11)
to make a copy in the Text/Printed Photo mode, and check
the color balance and density.

Are the color balance and den-
sity at the satisfactory level?

End

Automatic color balance target change

Change the factory color balance and
density target which is available in 3
kinds. (SIM63-11)

Though the factory
color balance and
density target (available
in 3 kinds) is changed,
satisfactory color balance
and density are not obtain-
ed (SIM63-11), or the
service target is
selected.

Execute ADJ20C (Manual copy color balance
and density adjustment). (SIM46-21/44-21).
(*2)

*1:
When the copy color balance and density are
customized and registered as the service
target, select the service target.
*2:
If satisfactory color balance and density are
not obtained with ADJ20C (Manual copy
color balance and density adjustment)
(SIM46-21/44-21), check the print engine for
any problems.
*3:
If the initial setting of the half tone image
correction is not properly made, satisfactory
color balance and density cannot be
obtained. In this case, check the print engine
for any problems.
*4:
If there is any streak or unclear copy on the
printed check pattern, check the print engine
for any problems.

MX-4101N  ADJUSTMENTS  5 – 58

1)

Enter the SIM 46-24 mode.

2)

Press [EXECUTE] key. (A3 or 11" x 17" paper is automatically
selected.)
The color patch image (adjustment pattern) is printed out.

3)

Set the color patch image (adjustment pattern) paper printed in
procedure 2) on the document table.
Place the printed color patch image (adjustment pattern) paper
on the document table so that the thin lines on the paper are
on the left side. Place 5 sheets of white paper on the printed
color patch image (adjustment pattern) paper.

4)

Press [FACTORY] key on the operation panel, and press
[EXECUTE] key. 
When the color balance is customized with the manual color
balance adjustment (SIM 46-21) according to the user's
request and the color balance is registered as the service tar-
get with SIM 63-7, if the color balance is adjusted to that color
balance, select the service target.

The copy color balance adjustment is automatically executed
to print the color balance check patch image. Wait until the
operation panel shown in procedure 5) is displayed.

Remark:
(Descriptions on [FACTORY] key and [SERVICE] key in the
color balance auto adjustment menu.)
There are two kinds of the gamma target for the color balance
auto adjustment; Factory and Service.
[FACTORY] key and [SERVICE] key are used to select one of
the above two.
Factory target color balance: Standard color balance (It can be
selected from the three kinds of fixed color balances with SIM
63-11.)
Service target color balance: The color balance can be cus-
tomized according to the user's request. (Variable)
When shipping, the service target gamma data and the factory
target gamma data are the same.
Both are set to the standard color balance when shipping.
For the service target, the customized color balance gamma
can be registered with SIM 63-7.

5)

Press [OK] key on the operation panel.
According to data of this adjustment, the initial setting of the
half tone image correction is performed.

Remark:
After pressing [OK] key, the initial setting of the half tone image
correction is started. During the operation, "NOW REGISTER-
ING THE NEW TARGET OF HALFTONE PROCON." is dis-
played. This operation takes several minutes.
After completion of the operation, "PLEASE QUIT THIS
MODE" is displayed.
Do not cancel the simulation until "PLEASE QUIT THIS
MODE" is displayed.

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MX-4101N  ADJUSTMENTS  5 – 59

6)

Check the color balance and density.
There are following three methods in the color balance and
density check.
(Method 1)
Check to insure that the printed color balance check patch
image is within the following specifications.

The print density must be changed gradually from the lighter
level to the darker level. The density changing direction must
not be reversed.
The density level of each color must be almost at the same
level.
• Patch B may not be copied.
• Patch A must not be copied.

(Method 2)
By printing the color balance adjustment sheet with SIM 46-21
and comparing each process (CMY) black patch color balance
with the black patch, the color balance adjustment can be
checked more precisely.

If the color balance of each patch of the process black (CMY
mixed color) is slightly shifted to Magenta, it means that the
adjustment is proper. If the color balance of the adjustment
pattern printed in this mode is slightly shifted to Magenta, it is
converted into the natural gray color balance by the color cor-
rection table in an actual copy mode. 
(When the color balance target is DEF 1.)

(Method 3)
Use the servicing color test chart (UKOG-0317FCZZ/UKOG-
0317FC11) in the Text/Photo mode (Manual) to check the copy
color balance and density. (Refer to the item of the copy color
balance and density check.)
When satisfactory color balance and density are not obtained
from the automatic adjustment by selecting the factory target in
procedure 4), change the factory color balance target with SIM
63-11 and repeat the procedures from 1).
If a satisfactory result is not obtained with the above proce-
dure, perform the manual color balance adjustment (ADJ
20C).
Also when the service target is selected in procedure 4) to exe-
cute the automatic adjustment and a satisfactory result is not
obtained, perform the manual color balance adjustment (ADJ
20C).

7)

Use SIM44-26 to execute the half tone image correction. 
(Forcible execution)
Enter the SIM44-26 mode and press [EXECUTE] key.
[EXECUTE] key is highlighted and the operation is started.

It takes several minutes to complete the operation. After com-
pletion of the operation, "COMPLETE" is displayed.

(Normal end (Auto transition))

Y

M

C

Bk

Q

(Max)

O

P

N

M

L

K

J

I

H

G

F

E

D

C

B

A

High density

Low density

Patch A of each of Y, M, C,
and BK are not copied.

2) Patch C or D of each of Y, M, C,

and BK is very slightly copied.

1) The max. density section is not blurred.

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.

Y

M

C

Bk

O

N

M

L

K

J

I

H

G

F

E

D

C

B

A

Q

(Max)

P

CMY
blend

High density

Low density

Patch A of each of Y, M, C,
and BK are not copied.

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.

1) The max. density section is not blurred.

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MX-4101N  ADJUSTMENTS  5 – 60

(Abnormal end (Auto transition))

After completion of the operation, the simulation is canceled.

8)

Use the servicing color test chart (UKOG-0317FCZZ/UKOG-
0317FC11) in the Text/Photo mode (Manual) to check the copy
color balance and density. (Refer to the item of the copy color
balance and density check.)
If the copy color balance and density are not satisfactory, per-
form the following procedures.

9)

Execute the initial setting of the half tone image correction.
(SIM 44-21)

10) Execute the half tone image correction. (Forcible execution)

(SIM44-26)

11) Use the servicing color test chart (UKOG-0317FCZZ/UKOG-

0317FC11) in the Text/Printed Photo mode (Manual) to check
the copy color balance/density. (Refer to the item of the copy
color balance and density check.)

Though the above procedures 9) - 11) are performed, the copy
color balance and density are not in the specified range, there may
be another cause.
Troubleshoot the cause and repair or perform proper treatments,
and try all the procedures of the print image adjustment from the
beginning.
If the automatic adjustment cannot obtain satisfactory results of the
copy color balance and density, use SIM 46-21 (ADJ 20C) (Manual
adjustment).

 

This adjustment is needed in the following situations:
* When a consumable part (developer, OPC drum, transfer belt) is

replaced.

* The CCD unit has been replaced.
* When the scanner (reading) section is disassembled.
* When the scanner (reading) section is replaced.
* U2 trouble has occurred.
* When the MFP PWB is replaced.
* When the EEPROM on the MFP PWB is replaced.
* The scanner control PWB has been replaced.
* The EEPROM on the scanner control PWB has been replaced.

a. General
The color balance adjustment (Manual adjustment) is used to
adjust the copy density (15 point for each color) of CMYK. This is
used at the following situation. When the result of auto adjustment
described above is not existing within the range of reference. When
a fine adjustment is required. When there is request from the user
for changing (customizing) the color balance.
In this manual adjustment, adjust only the color patch which could
not adjusted properly in the automatic adjustment.
If the color balance is improper, execute the automatic color bal-
ance adjustment in advance, and execute this adjustment for better
efficiency.

b. Note for the color balance adjustment (Manual adjustment)
1)

The print engine section must have been properly adjusted.

2)

The CCD gamma must have been properly adjusted.

3)

Set the color patch image adjustment pattern on the document
table, and place 5 sheet of white paper on it.

4)

Be sure to use the specified paper for color.

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