Read Sharp MX-5500N / MX-6200N / MX-7000N (serv.man45) Service Manual online
MX-7000N ADJUSTMENTS 6 – 11
7-B
Color image density sensor, black image
density sensor, image registration sensor
adjustment
density sensor, image registration sensor
adjustment
1)
Enter SIM44-2 mode.
2)
Press [EXECUTE] key.
The color image density sensor, the black image density sen-
sor, and the image registration sensor are automatically
adjusted.
After completion of the adjustment, the adjustment result is
displayed and [EXECUTE] key returns to the normal display.
The color image density sensor, the black image density sen-
sor, and the image registration sensor 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.
In that case, check the following sections for any abnormality.
If any abnormality is found, repair and adjust again.
If an error occurs, the adjustment result is not revised.
* Color image density sensor
* Black image density sensor
* Image registration sensor
* PCU PWB
* Transfer belt (dirt, scratch)
* Transfer belt cleaner
played.
In that case, check the following sections for any abnormality.
If any abnormality is found, repair and adjust again.
If an error occurs, the adjustment result is not revised.
* Color image density sensor
* Black image density sensor
* Image registration sensor
* PCU PWB
* Transfer belt (dirt, scratch)
* Transfer belt cleaner
PROCON GAIN ADJUSTMENT
EXECUTE
PCS_CL LED ADJ
21
:
PCS_K LED ADJ
21
:
1/2
SIMULATION NO.44-02
TEST
CLOSE
PCS_K BELT DIF
0
:
PCS_CL DARK
0
:
PCS_K DARK
0
:
PCS_K GRND
0
:
PCS_K BELT MAX
0
:
PCS_K BELT MIN
0
:
REG_F LED ADJ
27
:
REG_R LED ADJ
27
:
REG_F DARK
0
:
REG_R DARK
0
:
REG_F GRND
0
:
REG_R GRND
0
:
REG_F BELT MAX
0
:
REG_F BELT MIN
0
:
REG_F BELT DIF
0
:
REG_R BELT MAX
0
:
REG_R BELT MIN
0
:
REG_R BELT DIF
0
:
Display/Item
Content
Adjustment value range
Default value
PROCON
A
PCS_CL LED ADJ
Color image density sensor light emitting quantity adjustment value
1 – 255
21
B
PCS _K LED ADJ
Black image density sensor light emitting quantity adjustment value
1 – 255
21
C
PCS_CL DARK
Color image sensor dark voltage
0 – 255
0
D
PCS_K DARK
Black image density sensor dark voltage
0 – 255
0
E
PCS_K GRND
Belt base detection level when completion of Item B adjustment
0 – 255
0
F
PCS_K BELT MAX
Belt base detection level (Max.)
0 – 255
0
G
PCS_K BELT MIN
Belt base detection level (Min.)
0 – 255
0
H
PCS_K BELT DIF
Belt base detection level difference (Item E, Item F)
0 – 255
0
REGIST
I
REG_F LED ADJ
Image registration sensor light emitting quantity adjustment value F
1 – 255
27
J
REG_R LED ADJ
Image registration sensor light emitting quantity adjustment value R
1 – 255
27
K
REG_F DARK
Image registration sensor dark voltage F
0 – 255
0
L
REG_R DARK
Image registration sensor dark voltage R
0 – 255
0
M
REG_F GRND
Belt base detection level when completion of Item I adjustment
0 – 255
0
N
REG_R GRND
Belt base detection level when completion of Item J adjustment
0 – 256
0
O
REG_F BELTMAX
Belt base detection level (Max.) F
0 – 255
0
P
REG_F BELT MIN
Belt base detection level (Min.) F
0 – 255
0
Q
REG_F BELT DIF
Belt base detection level difference (Item O, Item P)
0 – 255
0
R
REG_R BELT MAX
Belt base detection level (Max.) R
0 – 255
0
S
REG_R BELT MIN
Belt base detection level (Min.) R
0 – 255
0
T
REG_R BELT DIF
Belt base detection level difference (Item R, Item S)
0 – 255
0
U
REG_F PATCH (K)
Patch detection level F (K)
0 – 255
0
V
REG_F PATCH (C)
Patch detection level F (C)
0 – 255
0
W
REG_F PATCH (M)
Patch detection level F (M)
0 – 255
0
X
REG_F PATCH (Y)
Patch detection level F (Y)
0 – 255
0
Y
REG_R PATCH (K)
Patch detection level R (K)
0 – 255
0
Z
REG_R PATCH (C)
Patch detection level R (C)
0 – 255
0
AA
REG_R PATCH (M)
Patch detection level R (M)
0 – 255
0
AB
REG_R PATCH (Y)
Patch detection level R (Y)
0 – 255
0
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