Ricoh B286 Service Manual page 362

SP4-xxx Scanner
4909 Image Processing Through
These SP's check the operation of the scan and print processing modules on the
IPU board.
IPU Scan Image Module
This SP checks the operations of the scanned image processing modules on the
IPU board.
1
0: Shading correction
1: Scanner gamma
2: Filter
3: Line width correction
IPU Plotter Image Module
This SP checks the operations of the print image processing modules on the IPU
board.
2
0: Print magnification
1: Gamma
2: Gradation processing
4: Print mask
B286/B289
(7) 0000 0000 (0)
4: Independent dot erase
5: Gamma (scan path)
6: Gradation processing (scan path)
7: Scan mask
(7) 0000 0000 (0)
5-92 SM