Gestetner A294 Service Manual page 260

SERVICE PROGRAM MODE
Mode No.
(Class 1, 2 and 3)
4-903 Filter Setting
63 Independent
Dot Erase -
Pale Mode
Independent
64
Dot Erase -
Generation
Copy Mode
65 Scanner
Gamma Thresh
Level - Text
66 Scanner
Gamma Thresh
Level - Photo
67 Scanner
Gamma Thresh
Level -
Text/Photo
68 Scanner
Gamma Thresh
Level - Pale
69 Scanner
Gamma Thresh
Level -
Generation
70 Background
Erase Mode
Text
SM
CÓPIA NÃO CONTROLADA
Selects the independent dot erase level for
pale mode.
A larger number erases more dots. 0
S
means disabled. Refer to "Detailed Section
Description – Independent Dot Erase" for
details.
Selects the independent dot erase level for
generation copy mode.
A larger number erases more dots. 0
S
means disabled. Refer to "Detailed
Sectional Description – Independent Dot
Erase" for details.
Adjust the threshold level for the
background erase function in letter mode.
S A larger value reduces dirty background.
This SP is ignored unless 1 or 2 is selected
with SP4-903-70.
Adjust the threshold level for the
background erase function in photo mode.
S A larger value reduces dirty background.
This SP is ignored unless 1 or 2 is selected
with SP4-903-71.
Adjust the threshold level for the
background erase function in text/photo
mode.
S
A larger value reduces dirty background.
This SP is ignored unless 1 or 2 is selected
with SP4-903-72.
Adjust the threshold level for the
background erase function in pale mode.
A larger value reduces dirty background.
S
This SP is ignored unless 1 or 2 is selected
with SP4-903-73.
Adjust the threshold level for background
erase in generation copy mode.
S A larger value reduces dirty background.
This SP is ignored unless 1 or 2 is selected
with SP4-903-74.
Selects the background erase function
setting in text mode.
0: Not done
1: Weak background erase (the MTF filter
is not used if the pixel is below the
threshold selected with SP4-903-65.)
S
2: Strong background erase (the pixel is
changed to 0 if it is below the threshold
level selected with SP4-903-65.)
This SP is ignored unless the user selects
'Service Mode' in UP mode.
4-38
CÓPIA NÃO CONTROLADA
Function
Rev. 9/2001
Settings
0 ~ 14
1/step
3
0 ~ 14
1/step
3
0 ~ 255
1/step
0
0 ~ 255
1/step
0
0 ~ 255
1/step
0
0 ~ 255
1/step
0
0 ~ 255
1/step
0
0 ~ 2
1/step
0
A294/A295