Ricoh D017 Service Manual page 499

System SP Tables-4
4907 SBU Test Pattern Change
Selects the test pattern generated by the controller board.
[0 to 255 / 0 / 1 /step]
0: Default (Scanning Image)
1: Grid pattern
2: Gradation main scan
3: Gradation sub scan
4 to 250: Default (Scanning Image)
4908 Factory Setting Input DFU
1 Execution: ON/OFF
2 Execution Flag
4918
Manual Gamma Adjustment DFU
IPU Image Pass [Path] Selection (RGB Frame Memory) DFU
Selects the image path. Enter the number to be selected using the 10-key
4991
pad.
[0 to 11/ 2/ 1]
0 Scanner input RGB images
1 Scanner I/F RGB images
RGB images done by Shading correction (Shading ON, Black offset
2
ON)
3 Shading data
4 Inner pattern data: Gray scale
5 RGB images done by Line skipping correction
6 RGB images done by Digital AE
D017/D018/D019/D020/D084/D085 4-66 SM Appendix