Ricoh Aficio 270 - Page 213

SERVICE PROGRAM MODE
SM 4-27 A265/A267
Service
Tables
Mode No.
Class
1 and 2
Class
3
Function Settings
Checks the difference value of the black
level for the ODD channel after adjusting the
black level at power-up.
2*
SBU Gain
Adjustment
(ODD)
Do not change the value.
However, after doing a memory all clear
(SP5-801), use it to re-input the previous
value.
0 ~ 255
1/step
40
Checks the difference value of the black
level for the EVEN channel after adjusting
the black level at SBU Auto Adjustment
(SP4-908).
3
SBU Gain
Adjustment
(Adjusted EVEN)
Do not change the value.
0 ~ 255
1/step
40
Checks the difference value of the black
level for the ODD channel after adjusting the
black level at SBU Auto Adjustment (SP4-
908).
4-904
4
SBU Gain
Adjustment
(Adjusted ODD)
Do not change the value.
0 ~ 255
1/step
40
Adjusts the coefficient of the D/A converter
for the AGC gain curve for DC cont for the
EVEN channel.
1
SBU DC Cont
Adjustment
(EVEN)
Do not change the value.
However, after doing a memory all clear
(SP5-801), use it to re-input the previous
value.
0 ~ 255
1/step
25
Adjusts the coefficient of the D/A converter
for the AGC gain curve for DC cont for the
ODD channel.
4-905*
2
SBU DC Cont
Adjustment (ODD)
Do not change the value.
However, after doing a memory all clear
(SP5-801), use it to re-input the previous
value.
0 ~ 255
1/step
25
Adjusts the coefficient of the D/A converter
for the AGC gain curve for scanning the
white plate.
1
SBU Ref. Value
Adjustment
(Current Value)
Do not change the value.
0 ~ 255
1/step
147
Displays the number of convergences for
SBU reference control.
4-906
2
SBU Ref. Value
Adjustment (Loop)
Do not use in the field.
0 ~ 255
1/step
0
Adjusts the coefficient of the D/A converter
for the offset (Z/C) for the analog image data
processing for EVEN.
4-907* 1
SBU Offset Value
Adjustment (EVEN)
Do not change the value.
However, after performing the memory all
clear (SP5-801), use it to re-input the
previous value.
0 ~ 255
1/step
180
Adjusts the coefficient of the D/A converter
for the offset (Z/C) for the analog image data
processing for ODD.
4-907* 2
SBU Offset Value
Adjustment (ODD)
Do not change the value.
However, after performing the memory all
clear (SP5-801), use it to re-input the
previous value.
0 ~ 255
1/step
180