Sharp AR-M351N, Service Manual

Page: 206 / 276

AR-M351U/M451U, AR-M355U/M455U SIMULATION 9 - 70
Operation/Procedure
Operation/Procedure
1) Enter the number corresponding to the shading mode to be
executed.
2) Press [START] key.
During execution, "EXECUTING" is displayed. When execution is
completed normally, "COMPLETED" is displayed.
Operation/Procedure
1) Enter 1 with 10-key.
2) Press [START] key.
3) Enter the adjustment value with 10-key.
4) Press [START] key.
When a shading error occurs, this adjustment value is
changed.
63
63-1
Purpose Adjustment/Setup/Operation data output/Check
(Display/Print)
Function
(Purpose) Used to check the result of shading correction.
(The shading correction data are displayed.)
Section Optical (Image scanning)
Item Operation
CCD data
Values Description
ODD GAIN Od pixel gain adjustment value
EVEN GAIN Even pixel gain adjustment value
MAX All pixel MAX
MIN All pixel MIN
AVE All pixel average
OFFSET All offset
CIS data : Only when DSPF installed
Values Description
GAIN Gain adjustment value
MAX Pixel MAX
MIN Pixel MIN
AVE Pixel average
OFFSET Black offset
DEV Standard deviation
63-2
Purpose Adjustment
Function
(Purpose) Used to execute shading.
Section Optical (Image scanning)
Item Operation
1 OC SHADING OC analog level correction and shading
correction (Document table mode)
2 DSPF SHADING DSPF analog level correction and
shading correction
SIMULATION 63-1
SHADING DATA DISPLAY.
(CCD)
ODD GAIN: 128
EVEN GAIN: 128 OFFSET: 126 MAX.: 128
MIN.: 128 AVE.: 128
(CIS)
GAIN: 128 OFFSET: 128 MAX.: 128
MIN.: 128 AVE.: 128 DEV.: 128
Completion Press [CUSTOM SETTINGS] key.
63-7
Purpose Adjustment
Function
(Purpose) Used to adjust the white plate scan start position
for shading. (Document table mode)
Section Laser (Exposure)
Item Operation
Item Set range Default
1 CCD CCD scan 1 - 16 6
Press [START] key. Press [CUSTOM SETTINGS] key or [START] key.
SIMULATION 63-2
SHADING EXECUTION. SELECT1-2, AND PRESS START.
1. OC SHADING
2. DSPF SHADING
1
SIMULATION 63-2
SHADING EXECUTING···.
1. OC SHADING
Press [START] key.
SIMULATION 63-2
SHADING COMPLETED.
1. OC SHADING
1
SIMULATION 63-7
SHADING POSITION ADJUSTMENT. PRESS START.
1. CCD 0
1
SIMULATION 63-7
SHADING POSITION ADJUSTMENT. INPUT VALUE 1-16, AND
PRESS START.
1. CCD
0