Ricoh D017 Service Manual page 498

Moving from Scanner HP
Moves the exposure lamp a short distance away from the home position
and stops.
Touch [Execute]> "Completed"> [Exit]
4806
Do SP4804 to return the exposure lamp to its home position.
Note
This SP is done before shipping the machine to another location.
Turning the machine power off/on also returns the exposure lamp to its
home position.
4903* Filter Settings
This SP code sets the threshold value for independent dot erase.
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 Independent Dot Erase: Text/Photo
2 Independent Dot Erase: Generation
Dither Selection DFU
4905*
Changes the parameters for dithering.
[0 to 255 / 0 / 1 /step]
Filter Setting: Other
4906
Outline level Adj
SM Appendix
[0 to 7/0/1]
[0 / 10 / 0 / 1]
4-65 D017/D018/D019/D020/D084/D085
System SP Tables-4