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MX-5111N  ADJUSTMENTS AND SETTINGS  4 – 8

 

This adjustment must be performed in the following cases:
* When the primary transfer high voltage power PWB or Second-

ary transfer high voltage power PWB is replaced.

* U2 trouble has occurred.
* The PCU PWB has been replaced.
* The EEPROM of the PCU PWB has been replaced.

1)

Enter the SIM 8-6 mode.

2)

Select a mode to be adjusted with the scroll key.

3)

Enter an adjustment value (specified value) and press [OK] key. 
By setting the default value (specified value), the specified voltage is outputted.
When [EXECUTE] key is pressed, the transfer voltage is outputted.

EXECUTE

EXECUTE

or after 30 sec.

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A

TC1 LOW SPEED CL K

Primary transfer bias 
reference value

Color

K

Low speed

51 - 255

95

8

A

95

8

A

B

TC1 MIDDLE SPEED CL K

Middle speed

51 - 255

146

15

A

182

20

A

C

TC1 LOW SPEED CL C

C

Low speed

51 - 255

95

8

A

95

8

A

D

TC1 MIDDLE SPEED CL C

Middle speed

51 - 255

146

15

A

146

15

A

E

TC1 LOW SPEED CL M

M

Low speed

51 - 255

95

8

A

95

8

A

F

TC1 MIDDLE SPEED CL M

Middle speed

51 - 255

146

15

A

146

15

A

G

TC1 LOW SPEED CL Y

Y

Low speed

51 - 255

95

8

A

95

8

A

H

TC1 MIDDLE SPEED CL Y

Middle speed

51 - 255

146

15

A

146

15

A

I

TC1 LOW SPEED BW K

Black/

White

K

Low speed

51 - 255

95

8

A

95

8

A

J

TC1 MIDDLE SPEED BW K

Middle speed

51 - 255

146

15

A

182

20

A

K

TC2 PLAIN CL SPX

Secondary transfer 
bias reference value

Color

Standard 

paper

Front surface

51 - 255

103

40

A

117

50

A

L

TC2 PLAIN CL DPX

Back surface

51 - 255

96

35

A

103

40

A

M

TC2 PLAIN BW SPX

Black/

White

Front surface

51 - 255

96

30

A

103

40

A

N

TC2 PLAIN BW DPX

Back surface

51 - 255

83

25

A

90

30

A

O

TC2 HEAVY CL SPX

Color

Heavy 

paper

Front surface

51 - 255

76

20

A

76

20

A

P

TC2 HEAVY CL DPX 

Back surface

51 - 255

69

15

A

69

15

A

Q

TC2 HEAVY BW SPX

Black/

White

Front surface

51 - 255

69

15

A

69

15

A

R

TC2 HEAVY BW DPX

Back surface

51 - 255

62

10

A

62

10

A

S

TC2 HEAVY2 CL 

Color

Heavy paper 2

51 - 255

76

20

A

76

20

A

T

TC2 HEAVY2 BW

Black/

White

51  -  255

69

15

A

69

15

A

U

TC2 GLOSSY CL

Gloss paper

Color

51 - 255

76

20

A

76

20

A

V

TC2 GLOSSY BW

Black/White

51 - 255

69

15

A

69

15

A

W

TC2 OHP CL

OHP

Color

51 - 255

76

20

A

76

20

A

X

TC2 OHP BW 

Black/White

51 - 255

69

15

A

69

15

A

Y

TC2 ENVELOPE CL

Envelope

Color

51 - 255

69

15

A

76

15

A

Z

TC2 ENVELOPE BW

Black/White

51 - 255

69

15

A

69

15

A

AA

TC2 THIN CL

Thin paper

Color

51 - 255

103

40

A

117

50

A

AB

TC2 THIN BW

Black/White

51 - 255

90

30

A

103

40

A

AC

TC2 CLEANING

Cleaning process

51 - 255

59

8

A

59

8

A

MX-5111N  ADJUSTMENTS AND SETTINGS  4 – 9

*1: AG – AJ: Input disable for less than 60
*2: AK – AN: Input disable for less than 95 and 193 or above
*3: AO – AR: Input disable for less than 100
When [EXECUTE] key is pressed, the voltage entered in the procedure 3) is outputted for 30sec and the set value is saved.
When [EXECUTE] key is pressed again, the output is stopped.
By setting the default value (specified value), the specified output is provided.
 
 

 

Before executing this adjustment, check to confirm the following
items.
* Check to confirm that the color image density sensor (image reg-

istration sensor F) and the black image density sensor (image
registration sensor R) are clean.

* Check to confirm that the image density sensor calibration plate

is clean.

* Check to confirm that the transfer belt is clean and free from

scratches.

 

There are some parts variations in the image density sensor sec-
tion. Therefore, the absolute image density detection level differs in
each machine. To correct this, calibration is executed.
This adjustment must be performed in the following cases:
* When the color image density sensor (image registration sensor

F) is replaced.

* When the image registration sensor unit is replace.
* U2 trouble has occurred.
* The PCU PWB has been replaced.
* The EEPROM of the PCU PWB has been replaced.
* The image density sensor and the standard reflection plate are

cleaned.

Perform the color image density sensor (image registration sensor
F) calibration in one of the following methods.
Method 1
Color image density sensor (Image registration sensor F) calibra-
tion (SIM44-61)
When the image density sensor unit is replaced, perform the
adjustment by this procedure.
When the registration sensor unit is replaced, the calibration value
is set manually with this method. The calibration jig is not required.
Method 2
Color image density sensor (Image registration sensor F) calibra-
tion (SIM44-13)
When the color image density sensor (image registration sensor F)
is solely replaced, be sure to perform the adjustment by this proce-
dure.
A calibration jig is required for this procedure.

The adjustment by this method must be performed in the following
cases:
• The SIM44-2 PCS_CL LED ADJ value is increased by aging and

dirt of the image density sensor and the standard reflection plate.

• When the density of an output image is decreased and the differ-

ence between the SIM44-2 PCS_CL LED ADJ value and the
SIM44-13 PCS_CL LED ADJ value is 30 or more, the image den-
sity sensor, the registration sensor, and the standard reflection
plate may be dirtied.
In this case, clean the image density sensor, the registration sen-
sor, and the standard reflection plate with dry cloth, and perform
calibration with SIM44-13 by using the calibration tool (UKOG-
0318FCZZ).

AD

TC2 CLEAN LOW SPD

Secondary transfer 
cleaning

In low speed print

0 - 255

0

0V

0

0V

AE

TC2 CLEAN MIDDLE SPD

In middle speed print

0 - 255

0

0V

0

0V

AF

TC2 CLEAN CLEANING

Cleaning

0 - 255

85

–500V

85

–500V

AG

VPTC LOW SPEED CL

PTC applied voltage 
control (AC constant 
voltage setting)

Color

Low speed

60 - 255 *1

60

2.07KV

60

2.07KV

AH

VPTC MIDDLE SPEED CL

Middle speed

60 - 255 *1

60

2.07KV

60

2.07KV

AI

VPTC LOW SPEED BK

Black/

White

Low speed

60 - 255 *1

60

2.07KV

60

2.07KV

AJ

VPTC MIDDLE SPEED BK

Middle speed

60 - 255 *1

60

2.07KV

60

2.07KV

AK

FPTC LOW SPEED CL

PTC applied voltage 
control (frequency 
setting value)

Color

Low speed

92 - 192 *2

192

0.5KHz

192

0.5KHz

AL

FPTC MIDDLE SPEED CL

Middle speed

92 - 192 *2

192

0.5KHz

192

0.5KHz

AM

FPTC LOW SPEED BK

Black/

White

Low speed

92 - 192 *2

192

0.5KHz

192

0.5KHz

AN

FPTC MIDDLE SPEED BK

Middle speed

92 - 192 *2

136

0.7KHz

136

0.7KHz

AO

DCPTC LOW SPEED CL

PTC applied voltage 
control (DC constant 
voltage setting value)

Color

Low speed

100 - 255 *3

123

1.22KV

123

1.22KV

AP

DCPTC MIDDLE SPEED CL

Middle speed

100 - 255 *3

179

1.62KV

179

1.62KV

AQ

DCPTC LOW SPEED BK

Black/

White

Low speed

100 - 255 *3

179

1.62KV

179

1.62KV

AR

DCPTC MIDDLE SPEED BK

Middle speed

100 - 255 *3

179

1.62KV

179

1.62KV

AS

PTC_HT

PTC heater operating 
environment setting

0: OFF

1-6: Environment conditions

(TC environment table 6 steps)

0  -  6

1

1

1

1

AT

HT_DUTY

Setting of the supply 
power in PTC heater 
constant operation 
(Duty ratio setting)

0: OFF

 10: Lighting-up fully

(10 steps)

0  -  10

5

5

5

5

MX-5111N  ADJUSTMENTS AND SETTINGS  4 – 10

1)

Enter the SIM44-61 mode.

2)

Select an adjustment item.

3)

Enter the adjustment value with 10 key.
As the adjustment value, enter the value on the label attached
to the slot section of the toner cartridge (BK) of the sensor unit.

4)

Press [OK] key.
 

1)

Open the front cabinet of the main unit, and remove the waste
toner box.

2)

Remove the primary transfer unit fixing screw.

3)

Turn to the transfer belt tension release cam and release the
primary transfer belt tension.

CAUTION: When the transfer belt tension of the primary transfer

unit is released manually, turn on the power again after
completion of the work. This procedure initializes the
transfer roller to return it to the home position.

4)

Open the right cover unit (secondary transfer unit section).

5)

Open the process front cover, and pull out the primary transfer
belt unit.

6)

Install the color image density sensor (image registration sen-
sor F) calibration jig (UKOG-0318FCZZ) to the sensor housing
section.
Engage the pawls (A) in the sensor housing groove, and slide
it to the rear frame side.

NOTE: Be careful not to damage the PTC terminal.

A

PCS_CL CARB 
OUT

Calibration plate sensor 
value

1 - 255

108

B

PCS_CL LED ADJ

Color sensor light emitting 
quantity adjustment value

1 - 255

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MX-5111N  ADJUSTMENTS AND SETTINGS  4 – 11

7)

Turn on the power and enter SIM44-13 mode.

8)

Close the right cover unit (secondary transfer unit section).

9)

Install the waste toner bottle to the main unit.

10) Close the front cabinet.
11) Press [EXECUTE] key.

Color image sensor (image registration sensor F) calibration is
automatically executed. When the operation is completed, the
adjustment result is displayed and [EXECUTE] key returns to
the normal display.

If the adjustment is not completed normally, "ERROR" is displayed.
In that case, check the following sections for any abnormality. If any
abnormality is found, repair and execute calibration again.
If an error occurs, the adjustment result is not revised.
• Color image density sensor
• PCU PWB
• Image sensor calibration jig (standard reflection sheet dirt,

scratch, discoloration)

• Image density sensor calibration plate

NOTE: Store the image sensor calibration jig under low tempera-

ture, low humidity and dark place.

 

NOTE: This adjustment executes automatically at the outset of

registration adjustment operation and process control oper-
ation as well as SIM44-2.

1)

Enter SIM44-2 mode.

2)

Press [EXECUTE] key.
The color image density sensor (image registration sensor F),
the black image density sensor (image registration sensor R)
are automatically adjusted.
After completion of the adjustment, the adjustment result is
displayed and [EXECUTE] key returns to the normal display.
If the adjustment is not completed normally, "ERROR" is dis-
played.

A

PCS_CL 
CARB OUT

Color image density sensor 
LED current adjustment 
target value

1 - 255

108

B

PCS_CL 
LED ADJ

Color image density sensor 
LED current adjustment 
target value (PCS CL 
CARB OUT) registered 
LED current level

1 - 255

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Adjustment 
value for 
process 
control 
operation 
mode

BK_SEN_ADJ
_ERR

Black image 
density 
sensor 
adjustment 
abnormality

PCS_K LED ADJ error 
(The target value is not 
obtained after retried 
three times.)

CL_SEN_ADJ
_ERR

Color image 
sensor 
adjustment 
abnormality

PCS_CL LED ADJ 
error (The target value 
is not obtained after 
retried three times.)

BELT_READ
_ERR

Transfer belt 
surface 
reading 
abnormality

PCS_K GRND error 
(The surface detection 
level is maximum or 
the minimum value 
difference is outside a 
reference range.)

Adjustment 
value for 
image 
registration 
operation 
mode

REG_SEN_F
_ADJ_ERR

Registration 
sensor F 
adjustment 
abnormality

REG_F LED ADJ error 
(The target value is not 
obtained after retried 
three times.)

REG_SEN_R
_ADJ_ERR

Registration 
sensor R 
adjustment 
abnormality

REG_R LED ADJ error 
(The target value is not 
obtained after retried 
three times.)

REG_BELT_F
_READ_ERR

F side 
transfer belt 
surface 
reading 
abnormality

REG_F GRND error 
(The surface detection 
level is maximum or 
the minimum value 
difference is outside a 
reference range.)

REG_BELT_R
_READ_ERR

R side 
transfer belt 
surface 
reading 
abnormality

REG_R GRND error 
(The surface detection 
level is maximum or 
the minimum value 
difference is outside a 
reference range.)

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