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MX-M1204  ADJUSTMENTS  5 – 69

 

a. General
This adjustment is used to adjust the range of reproduction of color
document images as monochrome images in the image send mode
(monochrome manual text mode).
In other words, it is used to adjust the level of chroma of color
images which are reproduced as monochrome images.
This adjustment must be performed in the following cases:
* When there is request from the user.

b. Adjustment procedures
1) Enter the SIM 46-55 mode.
2) Enter the adjustment value with 10-key and press [OK] key.

When the adjustment value is increased, colors dropout
becomes easy to narrow the reproduction range. When the
adjustment value is decreased, color dropout becomes difficult
to widen the reproduction range.

3) Scan the document in the image send mode (monochrome

manual text mode) and check the adjustment result.

[Effect]
When black characters are fainted by color shift, etc, the black area
is outputted clearly.

[Adverse effect]
Dropout of color sections becomes difficult.

[Effect]
Colors (of low chroma) which are difficult to be dropped out can be
dropped out.

[Adverse effect]
Black characters are fainted or cracked.

A

CHROMA

Dropout color range adjustment

0 - 6

3

SIM value 3

(Default)

SIM value 6

(Maximum value)

SIM value 0

(Minimum value)

The reproduction range is widened. 

The reproduction range is narrowed. 

When black characters 
are fainted,

Document

Decrease the adjustment value.

When the color section is not 
dropped out,

Increase the value. 

Reproduced 
image

Color dropout

MX-M1204  ADJUSTMENTS  5 – 70

 

a. General
This adjustment is used to adjust the reproduction capability of the
watermark in the copy/printer mode.
This adjustment is used for watermark documents (primary output).
The result of this adjustment affects the result of watermark print
(secondary output).
In the printer mode, the watermark density can be adjusted by the
printer driver. That adjustment is based on the result of this adjust-
ment.
This adjustment must be performed in the following cases:
* When there is request from the user. (When a satisfactory result

is not obtained from the adjustment in the system setting mode.)

* When there is request from the user. (When a satisfactory result

is not obtained from the adjustment with the printer driver.)

b. Adjustment procedures
1)

Enter the SIM 46-66 mode.

2)

Select the PATTERN mode, then select an adjustment item in
the following list according to the situation.

NOTE: Normally there is no need to adjust the PATTERN mode

(items E and F), the COPY MODE, and the POSITION
mode.

*1: When the adjustment value is varied by 

1, the line space is varied by 0.1mm.

*2: When the adjustment value is varied by 

1, the upper and the lower margins are varied by 0.1mm.

*3: When the adjustment value is varied by 

1, the left and the right margins are varied by 0.1mm.

PATTERN

A

WOVEN DEN BK LOW

Watermark density level (Black LOW)

0 - 255

15

B

WOVEN DEN BK MIDDLE

Watermark density level (Black MIDDLE)

0 - 255

19

C

WOVEN DEN BK HIGH

Watermark density level (Black HIGH)

0 - 255

23

D

CONTRAST

Contrast adjustment

0 - 255

2

E

HT TYPE (POSI)

For halftone index watermark type positive

42 - 43

42

F

HT TYPE (NEGA)

For halftone index watermark type negative

42 - 43

42

COPY 
MODE

A

TEXT/PRINTED PHOTO

Text/Printed Photo mode select Enable/Disable

OFF

0 - 1

1

ON

B

TEXT

Text mode select Enable/Disable

OFF

0 - 1

1

ON

C

PRINTED PHOTO

Printed Photo mode select Enable/Disable

OFF

0 - 1

1

ON

D

PHOTOGRAPH

Photograph mode select Enable/Disable

OFF

0 - 1

1

ON

E

TEXT/PHOTO

Text/Photograph mode select Enable/Disable

OFF

0 - 1

1

ON

F

MAP

Map mode select Enable/Disable

OFF

0 - 1

1

ON

G

LIGHT

Light density document mode select Enable/Disable

OFF

0 - 1

1

ON

H

AUTO

Automatic mode select Enable/Disable

OFF

0 - 1

1

ON

I

DEFAULT MODE

Default exposure mode

TEXT/PRINTED PHOTO

0 - 5

0

Used to specify the exposure mode set 
when the watermark is ON.

TEXT
PRINTED PHOTO
PHOTOGRAPH
TEXT/PHOTO
MAP

POSITION

A

LINE SPACE 1

Line space in the watermark print box (24P - 36P) (*1)

0 - 200

20

B

LINE SPACE 2

Line space in the watermark print box (37P - 48P) (*1)

0 - 200

20

C

LINE SPACE 3

Line space in the watermark print box (49P - 64P) (*1)

0 - 200

20

D

LINE SPACE 4

Line space in the watermark print box (65P - 80P) (*1)

0 - 200

20

E

BLANK H/B 1

Upper margin/Lower margin in the watermark print box (24P -  36P) (*2)

0 - 200

10

F

BLANK H/B 2

Upper margin/Lower margin in the watermark print box (37P -  48P) (*2)

0 - 200

10

G

BLANK H/B 3

Upper margin/Lower margin in the watermark print box (49P -  64P) (*2)

0 - 200

10

H

BLANK H/B 4

Upper margin/Lower margin in the watermark print box (65P -  80P) (*2)

0 - 200

10

I

BLANK L/R 1

Left margin/Right margin in the watermark print box (24P  -  36P) (*3)

0 - 200

60

J

BLANK L/R 2

Left margin/Right margin in the watermark print box (37P  -  48P) (*3)

0 - 200

90

K

BLANK L/R 3

Left margin/Right margin in the watermark print box (49P  -  64P) (*3)

0 - 200

120

L

BLANK L/R 4

Left margin/Right margin in the watermark print box (65P  -  80P) (*3)

0 - 200

150

MX-M1204  ADJUSTMENTS  5 – 71

3) Enter the adjustment value with 10-key and press [OK] key.
4) Make a copy, and check the adjustment result.

Watermark adjustment in the system setting
System setting 

 Security setting  Watermark print  

Contrast tab

NOTE:

Note for adjusting the watermark with SIM46-54
When the gray balance automatic adjustment is executed with
SIM46-74 or SIM46-24 but the containing characters are
reproduced, use SIM46-54 to execute the gray balance auto-
matic adjustment for each dither.
However, note the following items.
• When either of item E or F of the PATTERN mode is 42, the

adjustment must be executed for the both modes of
WOVEN1 and WOVEN2 of SIM46-54.

• When either of item E or F of the PATTERN mode is 43, the

adjustment must be executed for the both modes of
WOVEN3 and WOVEN4 of SIM46-54.

• WOVEN1 and WOVEN2 must be adjusted in a pair as well

as WOVEN3 and WOVEN4.
If it is ignored, the containing characters remain reproduced.

Characters 
appearing.

Decrease.

The adjustment 
value is 
decreased.

The watermark images 
become easy to 
disappear.
The containing 
characters become 
lighter. 

Increase.

The adjustment 
value is 
increased.

The containing 
characters become 
darker.
The watermark images 
become difficult to 
disappear.

Background 
appearing.

Decrease.

The adjustment 
value is 
decreased.

The containing 
characters become easy 
to disappear.
The watermark images 
become easy to 
disappear.

Increase.

The adjustment 
value is 
increased.

The watermark images 
become darker.
The containing 
characters become 
difficult to disappear.

Containing 
characters

Characters embedded in a watermark, such as "COPY 
INHIBITED," are called containing characters.

Kinds of 
watermarks

There are two kinds: "Character appearing" and 
"Background appearing."
When a watermark of "Character appearing" is copied, the 
background disappears and the containing characters 
appear.
When a watermark of "Background appearing" is copied, 
the watermark of the character area disappears and the 
containing characters become outline characters.

Principle of 
watermarks

A watermark is composed of two dots: fine dots and rough 
dots.
Since fine dots disappear when copied, they are called 
disappearing patterns.
Since rough dots remain when copied, they are called 
remaining patterns.
In a watermark of "Character appearing," the background is 
a disappearing pattern and the containing characters are 
remaining patterns.
In a watermark of "Background appearing," the background 
is a remaining pattern and the containing characters are 
disappearing patterns.

Document 
(Copy document or
Print data)

Watermark document 
(Primary output) 
(Copy or Printer output) 
(This machine)

Watermark copy 
(Secondary output) 
(This machine or other 
company's machine)

Copy / Print

Copy

COPY INHIBITED

COPY INHIBITED

COPY INHIBITED

Containing
characters

NOTE:
Note for 
watermarks

Watermarks have the following characteristics:
• A watermark is presumed to be synthesized with text 

documents. If it is used with photos or images, the 
containing characters may be seen in the watermark 
document (primary output) or the containing characters 
may not appear properly in the watermark copy 
(secondary output).

• When a watermark is synthesized with newspapers or 

other dark-background documents, the containing 
characters may not appear in the watermark copy 
(secondary output).

• Containing characters may not appear in the watermark 

copy (secondary output) depending on the kind of the 
copier which makes the watermark copy (secondary 
output) and the copy mode.

• Containing characters may not appear clearly in the 

watermark copy (secondary output) depending on the 
copy mode in which the watermark document (primary 
output) is made.

• When the print engine status changes, the containing 

characters may not be concealed properly in the 
watermark document (primary output). In this case, 
follow the procedures below to conceal the containing 
characters.
* Use SIM46-24 to execute the gray balance 

adjustment.

* Use SIM46-54 to execute the gray balance adjustment 

for each dither.

* Adjust the watermark print contrast in the system 

setting.

• The preview screen of the watermark only indicates the 

setting of the watermark color, and does not indicate an 
actual copy image.

• When the document control (printer mode) is used 

together, it is advisable to use "Characters appearing" 
setting. If "Background appearing" setting is used 
together, the detection accuracy of document control 
may be reduced.

• In the printer mode watermark, setting of 1200dpi and a 

watermark cannot be used together.

Character 
appearing

To increase the 
text density

Decrease the contrast value. 
(Default: 5)

To decrease the 
text density

Increase the contrast value. 
(Default value: 5)

Background 
appearing

To increase the 
text density

Increase the contrast value. 
(Default value: 5)

To decrease the 
text density

Decrease the contrast value. 
(Default: 5)

MX-M1204  ADJUSTMENTS  5 – 72

 

Requisite condition before execution of the printer gray bal-
ance/density adjustment
Before execution of the printer gray balance/density adjustment,
the copy gray balance/density adjustment must have been com-
pleted properly.

This adjustment is required in the following cases.
* Basically same as when the copy gray balance/density adjust-

ment is required.

* After the copy gray balance/density adjustment.

 

a. General
The gray balance adjustment (auto adjustment) is used to adjust
the print density of automatically with SIM 67-24 or the user pro-
gram.
When this adjustment is executed, the gray balance adjustments of
all the print modes are revised.

There are following two modes in the auto gray balance adjust-
ment.
1) Auto gray balance adjustment by the serviceman (SIM 67-24 is

used.)

2) Auto gray balance adjustment by the user (The user program

mode is used.) (The gray balance target is the service target.)
The auto gray balance adjustment by the user is provided to
reduce the number of service calls.
If the print gray balance is lost for some reasons, the user can
use this gray balance adjustment to recover the balance.
When, however, the machine has a fatal problem or when the
machine condition is greatly changed, this function does not
work effectively.
On the other hand, the auto gray balance adjustment by the
serviceman functions to recover the normal gray balance
though the machine condition is greatly changed. If the
machine has a fatal problem, repair and adjust it for obtaining
the normal gray balance.
To perform the adjustment, the above difference must be fully
understood.