Sharp MX-4140N / MX-4141N / MX-5140N / MX-5141N (serv.man7) Service Manual ▷ View online
MX-5141N ADJUSTMENTS AND SETTINGS 5 – 10
*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.
ADJ 3
Image density sensor
adjustment
adjustment
Before executing this adjustment, check to confirm the following
items.
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.
registration sensor R) are clean.
* Check to confirm that the transfer belt is clean and free from
scratches.
3-A
Color image density sensor (image
registration sensor F), black image density
sensor (image registration sensor R)
adjustment
registration sensor F), black image density
sensor (image registration sensor R)
adjustment
NOTE: This adjustment executes automatically at the outset of
registration adjustment operation and process control oper-
ation as well as SIM44-2.
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.
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.
displayed and [EXECUTE] key returns to the normal display.
If the adjustment is not completed normally, "ERROR" is dis-
played.
played.
AD
TC2 CLEAN LOW SPD
Secondary transfer
cleaning
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)
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)
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)
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
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)
power in PTC heater
constant operation
(Duty ratio setting)
0: OFF
10: Lighting-up fully
(10 steps)
0 - 10
5
5
5
5
Item/Display
Content
Setting
range
41cpm machine
51cpm machine
Default
value
Actual
output
output
value
Default
value
Actual
output
output
value
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5(*B5*51'
3&6B&/'$5.
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3&6B.'$5.
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5(*B)%(/7',)
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5(*B5%(/70$;
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Mode
Error display
Error content
Adjustment
value for
process
control
operation
mode
value for
process
control
operation
mode
BK_SEN_ADJ
_ERR
_ERR
Black image
density
sensor
adjustment
abnormality
density
sensor
adjustment
abnormality
PCS_K LED ADJ error
(The target value is not
obtained after retried
three times.)
(The target value is not
obtained after retried
three times.)
CL_SEN_ADJ
_ERR
_ERR
Color image
sensor
adjustment
abnormality
sensor
adjustment
abnormality
PCS_CL LED ADJ
error (The target value
is not obtained after
retried three times.)
error (The target value
is not obtained after
retried three times.)
BELT_READ
_ERR
_ERR
Transfer belt
surface
reading
abnormality
surface
reading
abnormality
PCS_K GRND error
(The surface detection
level is maximum or
the minimum value
difference is outside a
reference range.)
(The surface detection
level is maximum or
the minimum value
difference is outside a
reference range.)
MX-5141N ADJUSTMENTS AND SETTINGS 5 – 11
When an error occurs, check the following sections for any
abnormality.
abnormality.
- Color image density sensor (image registration sensor F)
- Black image density sensor (image registration sensor R)
- PCU PWB
- Transfer belt (dirt, scratch)
- Transfer belt cleaner
If any abnormality is found, repair and adjust again.
If an error occurs, the adjustment result is not revised.
ADJ 4
Image lead edge position,
image loss, void area, image
off-center, image magnification
ratio adjustment
(Automatic adjustment)
image loss, void area, image
off-center, image magnification
ratio adjustment
(Automatic adjustment)
The following adjustment items can be executed automatically with
SIM50-28.
SIM50-28.
* ADJ 16
Print image position, image magnification ratio, void area, off-
center adjustment (Print engine) (Manual adjustment)
center adjustment (Print engine) (Manual adjustment)
* ADJ 17
Scan image magnification ratio adjustment (Manual adjustment)
* ADJ 18
Scan image off-center adjustment (Manual adjustment)
* ADJ 19
Copy image position and image loss adjustment
(Manual adjustment)
(Manual adjustment)
Menu in SIM50-28 mode
4-A
Print image main scanning direction
automatic magnification ratio adjustment
(Print engine)
automatic magnification ratio adjustment
(Print engine)
1)
Enter the SIM50-28 mode.
2)
Select [BK-MAG ADJ] with the key.
3)
Select the paper feed tray with paper in it with the key.
(Any paper size will do.)
(Any paper size will do.)
4)
Press [EXECUTE] key.
The adjustment pattern is printed out.
5)
Set the adjustment pattern on the document table.
NOTE: Fit the adjustment pattern correctly with the document
guide.
In this case, put 5 sheets of white paper on the printed
adjustment pattern.
adjustment pattern.
6)
Press [EXECUTE] key.
Adjustment
value for
image
registration
operation
mode
value for
image
registration
operation
mode
REG_SEN_F
_ADJ_ERR
_ADJ_ERR
Registration
sensor F
adjustment
abnormality
sensor F
adjustment
abnormality
REG_F LED ADJ error
(The target value is not
obtained after retried
three times.)
(The target value is not
obtained after retried
three times.)
REG_SEN_R
_ADJ_ERR
_ADJ_ERR
Registration
sensor R
adjustment
abnormality
sensor R
adjustment
abnormality
REG_R LED ADJ error
(The target value is not
obtained after retried
three times.)
(The target value is not
obtained after retried
three times.)
REG_BELT_F
_READ_ERR
_READ_ERR
F side
transfer belt
surface
reading
abnormality
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.)
(The surface detection
level is maximum or
the minimum value
difference is outside a
reference range.)
REG_BELT_R
_READ_ERR
_READ_ERR
R side
transfer belt
surface
reading
abnormality
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.)
(The surface detection
level is maximum or
the minimum value
difference is outside a
reference range.)
Display/Item
Content
OC ADJ
Image loss off-center sub scanning direction image
magnification ratio adjustment (Document table mode)
magnification ratio adjustment (Document table mode)
BK-MAG ADJ
Main scanning direction image magnification ratio
adjustment
adjustment
SPF ADJ
Image loss off-center sub scanning direction image
magnification ratio adjustment (DSPF/RSPF mode)
magnification ratio adjustment (DSPF/RSPF mode)
SETUP/
PRINT ADJ
PRINT ADJ
Print lead edge adjustment, image off-center (each paper
feed tray, duplex mode) adjustment
feed tray, duplex mode) adjustment
RESULT
Adjustment result display
DATA
Display of data used when an adjustment is executed
Mode
Error display
Error content
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&6
MX-5141N ADJUSTMENTS AND SETTINGS 5 – 12
The following item is automatically adjustment.
* Print image main scanning direction image magnification
ratio.
7)
Press [OK] key.
The adjustment result becomes valid.
4-B
Print image off-center automatic
adjustment (Print engine)
(Each paper feed tray)
adjustment (Print engine)
(Each paper feed tray)
1)
Enter the SIM50-28 mode.
2)
Select [SETUP/PRINT ADJ] with the key.
3)
Select [ALL] with the key.
NOTE:
By pressing [LEAD] or [OFFSET] key, the following items can
be executed individually.
be executed individually.
* [LEAD]: Print image lead edge image position adjustment
* [OFFSET]: Print image off-center adjustment
When [ALL] is selected, both of the above two items are
executed simultaneously.
executed simultaneously.
4)
Select a paper feed tray to be adjusted.
5)
Press [EXECUTE] key.
The adjustment pattern is printed out.
6)
Set the adjustment pattern on the document table.
NOTE: Fit the adjustment pattern correctly with the document
guide.
In this case, put 5 sheets of white paper on the printed
adjustment pattern.
adjustment pattern.
7)
Press [EXECUTE] key.
The following item is automatically adjustment.
* Print image lead edge image position adjustment
* Print image off-center adjustment
8)
Press [OK] key.
The adjustment result becomes valid.
Perform procedures 4) to 7) for each paper feed tray.
4-C
Copy mode image lead edge position,
image loss, void area, image off-center, sub
scanning direction image magnification
ratio automatic adjustment (Scanner)
(Document table mode)
image loss, void area, image off-center, sub
scanning direction image magnification
ratio automatic adjustment (Scanner)
(Document table mode)
1)
Enter the SIM50-28 mode.
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2.
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/($'
2))6(7
$//
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/&&
MX-5141N ADJUSTMENTS AND SETTINGS 5 – 13
2)
Select [OC ADJ] with the key.
3)
Select the paper feed tray with paper in it with the key.
(Any paper size will do.)
(Any paper size will do.)
4)
Press [EXECUTE] key.
The adjustment pattern is printed out.
5)
Set the adjustment pattern on the document table. (Either
direction will do.)
direction will do.)
NOTE: Fit the adjustment pattern correctly with the document
guide.
In this case, put 5 sheets of white paper on the printed
adjustment pattern.
adjustment pattern.
6)
Press [EXECUTE] key.
The following item is automatically adjustment.
* Copy lead edge image reference position adjustment, image
off-center, sub scanning direction image magnification ratio
automatic adjustment
automatic adjustment
7)
Press [OK] key.
The adjustment result becomes valid.
4-D
Copy mode image lead edge position,
image loss, void area, image off-center, sub
scanning direction image magnification
ratio automatic adjustment (Scanner)
(RSPF mode)
image loss, void area, image off-center, sub
scanning direction image magnification
ratio automatic adjustment (Scanner)
(RSPF mode)
1)
Enter the SIM50-28 mode.
2)
Press the [SPF ADJ] key.
3)
Proceed to one of the three screens for selecting the cassette
used to print RSPF adjustment patterns by selecting the corre-
sponding button:
used to print RSPF adjustment patterns by selecting the corre-
sponding button:
SIDE1: RSPF adjustment for the front side
SIDE2: RSPF adjustment for the back side
ALL: RSPF adjustment for both the front and back sides
4)
Select one of the cassettes that can be used to print RSPF
adjustment patterns. (Multiple selection is not allowed.)
adjustment patterns. (Multiple selection is not allowed.)
5)
Press the [EXECUTE] key, and the machine starts self-print of
RSPF adjustment patterns.
RSPF adjustment patterns.
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