Gestetner A265, Service Manual

Page: 216 / 855

SERVICE PROGRAM MODE
A265/A267 4-28 SM
Mode No.
Class
1 and 2
Class
3
Function Settings
Performs the auto scanner adjustment.
4-908
SBU Auto
Adjustment
Using this SP mode after replacing the white
plate or erasing the memory on the BICU
board. See “Replacement and Adjustment –
Copy Image Adjustments - Standard White
Density Adjustment” for details on how to do
this, Section 6.8.2.
0: No
(Normal
operation)
1: Yes
(Start the
adjustment)
Adjusts the background density when ADS
mode is not being used.
4-909
SBU AE Cont
Adjustment
Do not change the value.
0 ~ 255
1/step
209
Selects the scanner motor control method.
4-910*
Scanner Motor
Control
If “1” is selected, the current for the scanner
motor will be reduced and jitter copy quality
problems will be alleviated. However, copy
speed will be reduced.
Normally do not change the value.
0: Normal
1: Special
Adjusts the interval for shading processing
in DF mode.
4-913*
DF Shading Interval
Time
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. This setting is only effective
when the setting of SP4-950 is set to 1.
0 ~ 60
1 s/step
30 s
1
P - MTF Coefficient
(Text /Grayscale
/Main /25%~29%) 0 ~ 15
1/step
1
2
P - MTF Coefficient
(Text /Grayscale
/Main /30%~76%) 0 ~ 15
1/step
1
3
P - MTF Coefficient
(Text /Grayscale
/Main /77%~154%) 0 ~ 15
1/step
3
4
P - MTF Coefficient
(Text /Grayscale
/Main /155%~256%) 0 ~ 15
1/step
3
5
P - MTF Coefficient
(Text /Grayscale
/Main /257%~) 0 ~ 15
1/step
15
6
P - MTF Coefficient
(Text /Grayscale
/Sub /25%~29%) 0 ~ 15
1/step
2
4-915*
7
P - MTF Coefficient
(Text /Grayscale
/Sub /30%~76%)
This adjustment is only effective for the
“Service Mode” original type setting.
Selects the MTF filter coefficient in the
grayscale processing mode. See “Detailed
Descriptions - Image Processing” for details.
T/P: Text/Photo, Section 2.2.4.
0 ~ 15
1/step
2
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA