Sharp MX-C250 / MX-C250E / MX-C250F / MX-C250FE / MX-C250FR / MX-C300F / MX-C300W / MX-C300WE / MX-C300A / MX-C300WR (serv.man6) Service Manual ▷ View online
MX-C250 SIMULATION 6 – 31
44
44-1
Purpose
:
Setting
Function (Purpose)
Used to set each correction operation func-
tion in the image forming (process) section.
tion in the image forming (process) section.
Section
Image process (Photoconductor/Develop-
ing/Transfer/Cleaning)
ing/Transfer/Cleaning)
Operation/Procedure
1) Select an item to be set with Arrow keys.
2) Enter the set value with 10 keys.
3) Press [OK]/[START] key.
The set value in step 2) is saved.
NOTE: Set the items to the default values unless a change is spe-
cially required.
44-2
Purpose
:
Adjustment/Setup
Function (Purpose)
To execute the light quantity adjustment for
process control sensor and registrations
sensors (2pcs are done at same time), and
reading the surface of belt.
process control sensor and registrations
sensors (2pcs are done at same time), and
reading the surface of belt.
Section
Process
Operation/Procedure
When [OK]/[START] key is pressed, the adjustment is executed
automatically.
After completion of the adjustment, the adjustment result is dis-
played.
If the adjustment is not executed normally, "ERROR" is displayed.
When [OK]/[START] key is pressed, the adjustment is executed
automatically.
After completion of the adjustment, the adjustment result is dis-
played.
If the adjustment is not executed normally, "ERROR" is displayed.
Item/Display
Content
Setting
range
Default
value
1
HV
Normal operation high
density process control
Enable/Disable setting
density process control
Enable/Disable setting
Normal
(Disable :
1 : NO)
Reverse
(Enable :
0 : YES)
0
2
HT
Normal operation half tone
process control Enable/
Disable setting
process control Enable/
Disable setting
0
3
TC
Transfer output correction
Enable/Disable setting
Enable/Disable setting
0
4
MD VG
Membrane decrease grid
voltage correction Enable/
Disable setting
voltage correction Enable/
Disable setting
0
5
MD LD
Membrane laser power
voltage correction Enable/
Disable setting
voltage correction Enable/
Disable setting
0
6
MD EV
Membrane decrease envi-
ronment grid voltage cor-
rection Enable/Disable
setting
ronment grid voltage cor-
rection Enable/Disable
setting
0
7
MD DL
Membrane decrease dis-
charge light quantity cor-
rection
Enable/Disable setting
charge light quantity cor-
rection
Enable/Disable setting
0
8
MD DL EV
Membrane decrease envi-
ronment discharge light
quantity correction
Enable/Disable setting
ronment discharge light
quantity correction
Enable/Disable setting
1
9
MD LD EV
Membrane decrease envi-
ronment discharge light
quantity correction Enable
/ Disable setting
ronment discharge light
quantity correction Enable
/ Disable setting
0
10
LD PROCON
Membrane laser power
voltage correction by pro-
cess control Enable / Dis-
able setting
voltage correction by pro-
cess control Enable / Dis-
able setting
0
11
TN PIX SUP
Toner supply control by
yield count Enable / Dis-
able setting
yield count Enable / Dis-
able setting
0
12
TN FB
FEEDBACK toner density
correction enable / disen-
able setting
correction enable / disen-
able setting
0
13
TN INT
Interval toner supply con-
trol enable / disenable set-
ting
trol enable / disenable set-
ting
0
14
TN RECV
Developer recovery enable
/ disenable setting
/ disenable setting
0
15
TN ADJ
Sensor output adjustment
enable / disenable setting
enable / disenable setting
0
16
TN EMP
Control the detection of
toner drop amount enable/
disenable setting
toner drop amount enable/
disenable setting
0
17
TN EMP INT
Control the detection of
toner drop amount when
job intermission enable /
disenable setting
toner drop amount when
job intermission enable /
disenable setting
0
18
TN EMP
NEW
NEW
Control the detection of
toner drop amount when
installed new cartridge
enable / disenable setting
toner drop amount when
installed new cartridge
enable / disenable setting
0
19
TN PIX TBL
Execution the calculation
of yield count correction
table enable / disenable
setting
of yield count correction
table enable / disenable
setting
Normal
(Disable :
1 : NO)
Reverse
(Enable :
0 : YES)
0
20
AR AUTO
Auto registration adjust-
ment Enable / Disable set-
ting
ment Enable / Disable set-
ting
0
21
AR ERROR
Auto registration adjust-
ment execution error
check Enable / Disable
setting
ment execution error
check Enable / Disable
setting
0
22
DM PHASE
Drum phase fitting Enable/
Disable setting
Disable setting
0
23
PRT_HT
Half tone process control
printer correction feed-
back Enable/Disable set-
ting
printer correction feed-
back Enable/Disable set-
ting
0
Item/Display
Content
1
P_F_CL_ka
F side color sensor correction factor
2
P_F LED ADJ
F sensor light emitting quantity adjustment
value
value
3
P_R LED ADJ
R sensor light emitting quantity adjustment
value
value
4
P_F_CL_DARK
Dark voltage of color (F side)
5
P_F DARK
Dark voltage of sensor (F side)
6
P_R DARK
Dark voltage of sensor (R side)
7
P_F GRND
Belt substrate when the item D adjustment
is completed.
is completed.
8
P_F BELT MAX
Belt substrate input max. value
9
P_F BELT MIN
Belt substrate input min. value
10
P_R GRND
Belt substrate when the item F adjustment
is completed.
is completed.
11
P_R BELT MAX
Belt substrate input max. value
12
P_R BELT MIN
Belt substrate input min. value
13
REG_F BELT MAX
Belt substrate input max. value (F side)
14
REG_F BELT MIN
Belt substrate input min. value (F side)
15
REG_R BELT MAX
Belt substrate input max. value (R side)
16
REG_R BELT MIN
Belt substrate input min. value (R side)
17
REG_F PATCH(K)
Patch light receiving potential F(K)
18
REG_F PATCH(C)
Patch light receiving potential F(C)
19
REG_F PATCH(M)
Patch light receiving potential F(M)
20
REG_F PATCH(Y)
Patch light receiving potential F(Y)
21
REG_R PATCH(K)
Patch light receiving potential R(K)
22
REG_R PATCH(C)
Patch light receiving potential R(C)
23
REG_R PATCH(M)
Patch light receiving potential R(M)
24
REG_R PATCH(Y)
Patch light receiving potential R(Y)
Error name
Error content
CL_SEN_ADJ_ERR
Color sensor adjustment abnormality
BK_SEN_ADJ_ERR
Black sensor adjustment abnormality
P_F_CL_ka
F Color sensor adjustment abnormality
P_F_GRND
F sensor basis material reading abnor-
mality
mality
P_R_GRND
F sensor basis material reading abnor-
mality
mality
REG_F_LED_ADJ
Registration sensor F adjustment abnor-
mality
mality
Item/Display
Content
Setting
range
Default
value
MX-C250 SIMULATION 6 – 32
44-4
Purpose
:
Setting
Function (Purpose)
Used to set the conditions of the high den-
sity process control operation.
sity process control operation.
Section
Process
Operation/Procedure
1) Select an item to be set with Arrow keys.
2) Enter the set value with 10 keys.
3) Press [OK]/[START] key.
The set value in step 2) is saved.
NOTE:
Set the items to the default values unless a change is spe-
cially required.
cially required.
<*1 Reference value tables>
44-6
Purpose
:
Adjustment
Function (Purpose)
Used to execute the high density process
control forcibly.
control forcibly.
Section
Process
Operation/Procedure
When [OK]/[START] key is pressed, the adjustment is exe-
cuted automatically.
After completion of the adjustment, the adjustment result is
displayed. (Refer to the table below.)
If the adjustment is not executed normally, "ERROR" is dis-
played.
cuted automatically.
After completion of the adjustment, the adjustment result is
displayed. (Refer to the table below.)
If the adjustment is not executed normally, "ERROR" is dis-
played.
REG_R_LED_ADJ
Registration sensor R adjustment abnor-
mality
mality
REG_F_GRND
F registration basis material reading
abnormality
abnormality
REG_R_GRND
R registration basis material reading
abnormality
abnormality
Item/Display
Content
Setting
range
Default
value
1
PCS TARGET
Sensor target set value
1 - 255
204
2
PCS ADJ LIM
Sensor adjustment target limit
value
value
1 - 255
8
3
BELT G DIF
Effective difference between the
belt circuit substrate upper and
lower limit values
belt circuit substrate upper and
lower limit values
1 - 255
1
4
B_BK STD DIF
Bias (for black) Target calcula-
tion difference
tion difference
0 - 255
0
5
B PAT INT
Patch bias output interval
1 - 255
60
6
Y TAR ID
Patch density standard value
(yellow)
(yellow)
1 - 255
*1
7
M TAR ID
Patch density standard value
(magenta)
(magenta)
1 - 255
*1
8
C TAR ID
Patch density standard value
(cyan)
(cyan)
1 - 255
*1
9
K TAR ID
Patch density standard value
(black)
(black)
1 - 255
*1
10
HV BK_GR LIM
Patch position substrate light
receiving effective range value
receiving effective range value
1 - 255
60
11
LED ADJ
ROUGH
ROUGH
LED radiation quantity adjust-
ment rough 1step
ment rough 1step
1 - 255
5
12
LED ADJ
ROUGH
UPPER
ROUGH
UPPER
LED radiation quantity adjust-
ment rough 1step execution
threshold level upper
ment rough 1step execution
threshold level upper
1 - 255
240
13
LED ADJ
ROUGH
LOWER
ROUGH
LOWER
LED radiation quantity adjust-
ment rough 1step execution
threshold level lower
ment rough 1step execution
threshold level lower
1 - 255
140
14
K_PAT TARGET
UPPER 1
UPPER 1
Simplified process control solid-
patch transition judgment to high
density process control upper
limitation 1 (K-patch)
patch transition judgment to high
density process control upper
limitation 1 (K-patch)
1 - 255
10
15
K_PAT TARGET
LOWER 1
LOWER 1
Simplified process control solid-
patch transition judgment to high
density process control lower
limitation 1 (K-patch)
patch transition judgment to high
density process control lower
limitation 1 (K-patch)
1 - 255
10
16
K_PAT TARGET
UPPER 2
UPPER 2
Simplified process control solid-
patch transition judgment to high
density process control upper
limitation 2 (K-patch)
patch transition judgment to high
density process control upper
limitation 2 (K-patch)
1 - 255
15
17
K_PAT TARGET
LOWER 2
LOWER 2
Simplified process control solid-
patch transition judgment to high
density process control lower
limitation 2 (K-patch)
patch transition judgment to high
density process control lower
limitation 2 (K-patch)
1 - 255
15
18
K_HT TARGET
UPPER 1
UPPER 1
Simplified process control half-
tone-patch transition judgment
to high density process control
upper limitation 1 (K-patch)
tone-patch transition judgment
to high density process control
upper limitation 1 (K-patch)
1 - 255
10
19
K_HT TARGET
LOWER 1
LOWER 1
Simplified process control half-
tone-patch transition judgment
to high density process control
lower limitation 1 (K-patch)
tone-patch transition judgment
to high density process control
lower limitation 1 (K-patch)
1 - 255
10
Error name
Error content
20
K_HT TARGET
UPPER 2
UPPER 2
Simplified process control half-
tone-patch transition judgment
to high density process control
upper limitation 2 (K-patch)
tone-patch transition judgment
to high density process control
upper limitation 2 (K-patch)
1 - 255
15
21
K_HT TARGET
LOWER 2
LOWER 2
Simplified process control half-
tone-patch transition judgment
to high density process control
lower limitation 2 (K-patch)
tone-patch transition judgment
to high density process control
lower limitation 2 (K-patch)
1 - 255
15
22
CL_PAT TAR-
GET UPPER 1
GET UPPER 1
Simplified process control solid-
patch transition judgment to high
density process control upper
limitation 1 (CL-patch)
patch transition judgment to high
density process control upper
limitation 1 (CL-patch)
1 - 255
10
23
CL_PAT TAR-
GET LOWER 1
GET LOWER 1
Simplified process control solid-
patch transition judgment to high
density process control lower
limitation 1 (CL-patch)
patch transition judgment to high
density process control lower
limitation 1 (CL-patch)
1 - 255
10
24
CL_PAT TAR-
GET UPPER 2
GET UPPER 2
Simplified process control solid-
patch transition judgment to high
density process control upper
limitation 2 (CL-patch)
patch transition judgment to high
density process control upper
limitation 2 (CL-patch)
1 - 255
15
25
CL_PAT TAR-
GET LOWER 2
GET LOWER 2
Simplified process control solid-
patch transition judgment to high
density process control lower
limitation 2 (CL-patch)
patch transition judgment to high
density process control lower
limitation 2 (CL-patch)
1 - 255
15
26
CL_HT TAR-
GET UPPER 1
GET UPPER 1
Simplified process control half-
tone-patch transition judgment
to high density process control
upper limitation 1 (CL-patch)
tone-patch transition judgment
to high density process control
upper limitation 1 (CL-patch)
1 - 255
10
27
CL_HT TAR-
GET LOWER 1
GET LOWER 1
Simplified process control half-
tone-patch transition judgment
to high density process control
lower limitation 1 (CL-patch)
tone-patch transition judgment
to high density process control
lower limitation 1 (CL-patch)
1 - 255
10
28
CL_HT TAR-
GET UPPER 2
GET UPPER 2
Simplified process control half-
tone-patch transition judgment
to high density process control
upper limitation 2 (CL-patch)
tone-patch transition judgment
to high density process control
upper limitation 2 (CL-patch)
1 - 255
15
29
CL_HT TAR-
GET LOWER 2
GET LOWER 2
Simplified process control half-
tone-patch transition judgment
to high density process control
lower limitation 2 (CL-patch)
tone-patch transition judgment
to high density process control
lower limitation 2 (CL-patch)
1 - 255
15
30
SP_PAT COEF
UPP DIF
UPP DIF
Simplified process control den-
sity coefficient upper threshold
level
sity coefficient upper threshold
level
1 - 255
10
31
SP_PAT COEF
LOW DIF
LOW DIF
Simplified process control den-
sity coefficient lower threshold
level
sity coefficient lower threshold
level
1 - 255
10
No.
Item/Display
Default value for each Group
Group A
Group B
Group C
6
Y TAR ID
48
48
48
7 M
TAR
ID
50
50
50
8
C TAR ID
50
50
50
9
K TAR ID
48
50
48
Group
Destination
Group A
Japan
-
-
-
-
-
Group B
U.S.A.
Canada
Inch
-
-
-
Group C
Europe
U.K.
AUS
AB_A
China
AB_B
Result display
Content description
COMPLETE
Normal complete
Item/Display
Content
Setting
range
Default
value
4
‘14/Apr
4
4
MX-C250 SIMULATION 6 – 33
44-9
Purpose
:
Operation data display
Function (Purpose)
: Used to display the results data of the high
density process control operation.
Section
:
Image process (Photoconductor/Develop-
ing/Transfer/Cleaning)
ing/Transfer/Cleaning)
Operation/Procedure
1) Select an item to be set with Arrow keys.
2) Enter the set value with 10 keys.
3) Press [OK]/[START] key.
The set value in step 2) is saved.
ERROR
Abnormal end
INTERRUPTION
Forcible interruption
Details of error display
Content description
CL_SEN_ADJ_ERR
Color sensor adjustment abnormality
BK_SEN_ADJ_ERR
Black sensor adjustment abnormality
K_HV_ERR
K high density process control abnormality
C_HV_ERR
C high density process control abnormality
M_HV_ERR
M high density process control abnormality
Y_HV _ERR
Y high density process control abnormality
TIMEOUT_ERR
Time out
MODE
PAGE
ITEM
CONTETNT
DIS-
PLAY
RANGE
DEFAU
LT
VALUE
PROCON
DATA
DATA
1/12
P DV K
High density pro-
cess control DV
data
cess control DV
data
0 - 600
450
P DV C
(KCMY)
P DV M
P DV Y
P DV Y
2/12
P GB K
High density pro-
cess control GB
data
cess control GB
data
150 - 850
610
P GB C
(KCMY)
P GB M
P GB Y
P GB Y
3/12
P DV K
BASE
BASE
High density pro-
cess control DV
data
cess control DV
data
0 - 600
450
P DV C
BASE
BASE
(KCMY) Target
P DV M
BASE
P DV Y
BASE
BASE
P DV Y
BASE
4/12
P GB K
BASE
BASE
High density pro-
cess control GB
data
cess control GB
data
150 - 850
630
P GB C
BASE
BASE
(KCMY) Target
P GB M
BASE
P GB Y
BASE
BASE
P GB Y
BASE
5/12
N(M)
DV K
DV K
High density pro-
cess control nor-
mal (medium speed
) DV data
cess control nor-
mal (medium speed
) DV data
0 - 600
450
N(M)
DV C
DV C
(KCMY)
N(M)
DV M
N(M)
DV Y
DV M
N(M)
DV Y
Result display
Content description
PROCON
DATA
DATA
6/12
N(M)
GB K
GB K
High density pro-
cess control nor-
mal (medium speed
) GB data
cess control nor-
mal (medium speed
) GB data
150 - 850
630
N(M)
GB C
GB C
(KCMY)
N(M)
GB M
N(M)
GB Y
GB M
N(M)
GB Y
7/12
N(M)
DV K
BASE
DV K
BASE
High density pro-
cess control nor-
mal (medium speed
) DV data
cess control nor-
mal (medium speed
) DV data
0 - 600
450
N(M)
DV C
BASE
DV C
BASE
(KCMY) Target
N(M)
DV M
BASE
N(M)
DV Y
BASE
DV M
BASE
N(M)
DV Y
BASE
8/12
N(M)
GB K
BASE
GB K
BASE
High density pro-
cess control nor-
mal (medium speed
) GB data
cess control nor-
mal (medium speed
) GB data
150 - 850
630
N(M)
GB C
BASE
GB C
BASE
(KCMY) Target
N(M)
GB M
BASE
N(M)
GB Y
BASE
GB M
BASE
N(M)
GB Y
BASE
9/12
N(L) DV
K
K
High density pro-
cess control nor-
mal(low speed ) DV
data
cess control nor-
mal(low speed ) DV
data
0 - 600
450
N(L) DV
C
C
(KCMY)
430
N(L) DV
M
N(L) DV
Y
M
N(L) DV
Y
10/12
N(L) GB
K
K
High density pro-
cess control nor-
mal(low speed ) DV
data
cess control nor-
mal(low speed ) DV
data
150 - 850
615
N(L) GB
C
C
(KCMY)
595
N(L) GB
M
N(L) GB
Y
M
N(L) GB
Y
11/12
N(L) DV
K BASE
K BASE
High density pro-
cess control nor-
mal(low speed ) DV
data
cess control nor-
mal(low speed ) DV
data
0 - 600
450
N(L) DV
C BASE
C BASE
(KCMY) Target
430
N(L) DV
M BASE
N(L) DV
Y BASE
M BASE
N(L) DV
Y BASE
12/12
N(L) GB
K BASE
K BASE
High density pro-
cess control nor-
mal(low speed ) GB
data
cess control nor-
mal(low speed ) GB
data
150- 850
615
N(L) GB
C BASE
C BASE
(KCMY) Target
595
N(L) GB
M BASE
N(L) GB
Y BASE
M BASE
N(L) GB
Y BASE
MODE
PAGE
ITEM
CONTETNT
DIS-
PLAY
RANGE
DEFAU
LT
VALUE
MX-C250 SIMULATION 6 – 34
OTHER
1/21
TN HUD
AREA
AREA
Toner control dis-
play humidity area
play humidity area
1 - 16
8
TN HUD
DATA
DATA
Toner control dis-
play humidity AD
value
play humidity AD
value
0 - 1023
0
TC TMP
AREA
AREA
Transfer display
temperature area
temperature area
1 - 9
4
TC TMP
DATA
DATA
Transfer display
temperature AD
value
temperature AD
value
0 - 1023
0
2/21
TC HUD
AREA
AREA
Transfer display
humidity area
humidity area
1 - 9
4
TC HUD
DATA
DATA
Transfer display
humidity AD value
humidity AD value
0 - 1023
0
MD
HUD
AREA
HUD
AREA
Membrane
decrease display
humidity area
decrease display
humidity area
1 - 9
4
MD
HUD
DATA
HUD
DATA
Membrane
decrease display
humidity AD
decrease display
humidity AD
0 - 1023
0
value
3/21
MD K
DRUM
CNT
DRUM
CNT
Membrane
decrease drum
traveling
decrease drum
traveling
0 - 20
0
MD C
DRUM
CNT
DRUM
CNT
distance area
(KCMY)
(KCMY)
MD M
DRUM
CNT
MD Y
DRUM
CNT
DRUM
CNT
MD Y
DRUM
CNT
4/21
MD K
REV
LIFE M
REV
LIFE M
LIFE grid voltage
correction display
(KCMY)
correction display
(KCMY)
0 - 255
0
MD K
REV
LIFE L
REV
LIFE L
Medium speed /
Low speed
Low speed
MD C
REV
LIFE M
MD C
REV
LIFE L
REV
LIFE M
MD C
REV
LIFE L
5/21
MD M
REV
LIFE M
MD M
REV
LIFE L
MD Y
REV
LIFE M
MD Y
REV
LIFE L
REV
LIFE M
MD M
REV
LIFE L
MD Y
REV
LIFE M
MD Y
REV
LIFE L
6/21
MD K
REV EV
M
REV EV
M
Environmental grid
voltage correction
display (KCMY)
Medium speed /
Low speed
voltage correction
display (KCMY)
Medium speed /
Low speed
-255 -
255
-1
MD K
REV EV
L
REV EV
L
0
MD C
REV EV
M
REV EV
M
-1
MD C
REV EV
L
REV EV
L
0
MODE
PAGE
ITEM
CONTETNT
DIS-
PLAY
RANGE
DEFAU
LT
VALUE
OTHER
7/21
MD M
REV EV
M
REV EV
M
Environmental grid
voltage correction
display (KCMY)
Medium speed /
Low speed
voltage correction
display (KCMY)
Medium speed /
Low speed
-255 -
255
-1
MD M
REV EV
L
REV EV
L
0
MD Y
REV EV
M
REV EV
M
-1
MD Y
REV EV
L
REV EV
L
0
8/21
MD K
REV
ALL M
REV
ALL M
Grid voltage correc-
tion ALL display
(KCMY) medium
speed / low speed
tion ALL display
(KCMY) medium
speed / low speed
-255 -
255
-1
MD K
REV
ALL L
REV
ALL L
0
MD C
REV
ALL M
REV
ALL M
-1
MD C
REV
ALL L
REV
ALL L
0
9/21
MD M
REV
ALL M
REV
ALL M
-1
MD M
REV
ALL L
REV
ALL L
0
MD Y
REV
ALL M
REV
ALL M
-1
MD Y
REV
ALL L
REV
ALL L
0
10/21
MD K
REV LD
M
REV LD
M
Drum membrane
decrease laser
power voltage cor-
rection (KCMY)
medium speed /
low speed
decrease laser
power voltage cor-
rection (KCMY)
medium speed /
low speed
0 - 255
100
MD K
REV LD
L
MD C
REV LD
M
MD C
REV LD
L
REV LD
L
MD C
REV LD
M
MD C
REV LD
L
11/21
MD M
REV LD
M
MD M
REV LD
L
MD Y
REV LD
M
MD Y
REV LD
L
REV LD
M
MD M
REV LD
L
MD Y
REV LD
M
MD Y
REV LD
L
12/21
MD K
REV LD
EV M
REV LD
EV M
Environmental
changes and Drum
membrane
decrease laser
power voltage cor-
rection (KCMY)
medium speed /
low speed
changes and Drum
membrane
decrease laser
power voltage cor-
rection (KCMY)
medium speed /
low speed
-255 -
255
100
MD K
REV LD
EV L
MD C
REV LD
EV M
MD C
REV LD
EV L
REV LD
EV L
MD C
REV LD
EV M
MD C
REV LD
EV L
MODE
PAGE
ITEM
CONTETNT
DIS-
PLAY
RANGE
DEFAU
LT
VALUE
Click on the first or last page to see other MX-C250 / MX-C250E / MX-C250F / MX-C250FE / MX-C250FR / MX-C300F / MX-C300W / MX-C300WE / MX-C300A / MX-C300WR (serv.man6) service manuals if exist.