Ricoh OR-C1 Field Service Manual page 533

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 255: Default (Scanning Image)
4810 PWM DFU
4811 LED White Level Peak Read DFU
4812 LED White Level Peak Read DFU
Filter Setting
This SP code sets the threshold value for independent dot erase.
4903*
• The "0" setting disables independent dot erase.
• A higher setting detects more spurious dots for erasing. However, this could cause
dots to erase in images that contain areas filled by dithering.
1 Ind Dot Erase: Text
2 Ind Dot Erase: Generation Copy
Select Gradation Level
4905*
Changes the parameters for dithering.
[0 to 255 / 0 / 1 /step]
Filter Setting: Other DFU
4906*
Outline level Adj
4918 Manual Gamma Adjustment DFU
4954* Read/Restore Std
System SP Tables-4
[0 to 7/ 0 /1]
[0 to 10 / 0 / 1]
4
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