Ricoh D146 Service Manual page 1215

Main SP Tables - 4
4653 [Black Level Adj. Value (Ana.)]
Latest: BE Color
Displays black level analog adjustment value (BLUE/EVEN pixel).
Black level adjust is regularly done hardwarely by ASIC (SCAT) of SBU.
001
Adjusted value will be given from checking the black level when scanner powers
ON.
Use for design evaluation/analyzing cause of malfunction (abnormal image,
SC).
Latest: BO Color
Displays black level analog adjustment value (BLUE/ODD pixel).
Black level adjust is regularly done hardwarely by ASIC (SCAT) of SBU.
002
Adjusted value will be given from checking the black level when scanner powers
ON.
Use for design evaluation/analyzing cause of malfunction (abnormal image,
SC).
4654 [Black Level Adj. Value (Dig.)]
Latest: RE Color
Displays black level digital adjustment value (RED/EVEN pixel).
Black level adjust is regularly done hardwarely by ASIC (SCAT) of SBU.
001
Adjusted value will be given from checking the black level when scanner
powers ON.
Use for design evaluation/analyzing cause of malfunction (abnormal image,
SC).
Latest: RO Color
Displays black level digital adjustment value (RED/ODD pixel).
Black level adjust is regularly done hardwarely by ASIC (SCAT) of SBU.
002
Adjusted value will be given from checking the black level when scanner
powers ON.
Use for design evaluation/analyzing cause of malfunction (abnormal image,
SC).
D146/D147/D148/D149/D150
ENG [0 to 127 / 0 / 1digit/step]
ENG [0 to 127 / 0 / 1digit/step]
*ENG [0 to 16383 / 0 / 1digit/step]
*ENG 0 to 16383 / 0 / 1digit/step]
2-496 System Maintenance Section