Ricoh A250 Service Manual page 185

Mode No.
Class Class
1 and 2 3
SBU DC Cont
Adjustment
(EVEN)
1
4-905*
SBU DC Cont
Adjustment (ODD)
2
SBU Ref. Value
Adjustment
1
(Current Value)
4-906
SBU Ref. Value
Adjustment (Loop)
2
SBU Offset Value
Adjustment (EVEN)
1
4-907*
SBU Offset Value
Adjustment (ODD)
2
SBU Auto Adjustment
4-908
SBU AE Cont
Adjustment
4-909
SM
SERVICE PROGRAM MODE
Function
Adjusts the coefficient of the D/A
converter for the AGC gain curve for
DC cont for the EVEN channel.
Do not change the value.
However, after performing the
memory all clear (SP5-801), use it to
re-input the previous value.
Adjusts the coefficient of the D/A
converter for the AGC gain curve for
DC cont for the ODD channel.
Do not change the value.
However, after performing the
memory all clear (SP5-801), use it to
re-input the previous value.
Adjusts the coefficient of the D/A
converter for the AGC gain curve for
scanning the white plate.
Do not change the value.
Displays the number of
convergences for SBU reference
control.
Do not use in the field.
Adjusts the coefficient of the D/A
converter for the offset (Z/C) for the
analog image data processing for
EVEN.
Do not change the value.
However, after performing the
memory all clear (SP5-801), use it to
re-input the previous value.
Adjusts the coefficient of the D/A
converter for the offset (Z/C) for the
analog image data processing for
ODD.
Do not change the value.
However, after performing the
memory all clear (SP5-801), use it to
re-input the previous value.
Performs the auto scanner
adjustment.
Using this SP mode after replacing
the white plate or erasing the
memory on the BICU board. See
"Replacement and Adjustment -
Standard White Density Adjustment"
for details on how to do this.
Adjusts the background density
when ADS mode is not being used.
Do not change the value.
4-17
Settings
0 ~ 255
1/step
25
0 ~ 255
1/step
25
0 ~ 255
1/step
147
0 ~ 255
1/step
147
0 ~ 255
1/step
180
0 ~ 255
1/step
180
0: No
(Normal
operation)
1: Yes
(Start the
adjustment)
0 ~ 255
1/step
209
A250