Gestetner A193 Service Manual page 467

Mode No.
Class
Class 3
1 and 2
Scanner
Motor Control
4-910* Method
White Level
1 Value Display
(Current)
4-912*
White Level
2 Value Display
(Factory)
Shading
Interval Time
in DF Mode
4-913*
4-914 Mirroring Test These SP modes are for designer use.
Image Data
4-915*
Through Mode
MTF Filter
Selection in
Letter Mode -
1
Binary Picture
Mode for
Notch1
MTF Filter
Selection in
Letter Mode -
2
4-998*
Binary Picture
Mode for
Notch 2
MTF Filter
Selection in
Letter Mode -
3 Binary Picture
Mode for
Notch 3
SM
SERVICE PROGRAM MODE TABLE
Function
Selects the scanner motor control method. 0: Normal
If "1" is selected, the current for the
scanner motor will be reduced and jitter
copy image problems will be alleviated.
However, copy speed will be reduced.
Displays the current white level value.
Displays the white level value for the
white plate scanned at the factory.
Adjusts the interval for shading
processing in DF mode.
Light and heat may affect the scanner
response. If copy quality indicates that
white level is drifting during a DF copy
job, reduce this setting.
Do not change the values.
Selects the MTF filter level for Letter
mode (binary picture mode) at notch 1
image density level. A stronger filter gives
a sharper line.
Never select 1.
Selects the MTF filter level for Letter
mode (binary picture mode) at notch 2
image density level. A stronger filter gives
a sharper line.
Never select 1.
Selects the MTF filter level for Letter
mode (binary picture mode) at notch 3
image density level. A stronger filter gives
a sharper line.
Never select 1.
13-33
Settings
1: Special
0 ~ 60
1 s/step
30 s
0 ~ 11
1/step
0
0 ~ 11
1/step
0
0 ~ 11
1/step
9
A224