Ricoh D009 Service Manual page 358

SP4-xxx: Scanner-3
4802 DF Shading Free Run
001 Lamp ON
002 Lamp OFF
4803* Home Position Adjustment (DFU)
001 Adjusts the home position of the exposure lamp.
4804* Returning to Scanner HP
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.
Filter Setting
This SP code sets the threshold value for independent dot erase.
These adjustments are effective only for the "Custom Setting" original type.
4903*
The "0" setting disables independent dot erase.
A higher setting detects more spurious dots for erasing. However, this
could erase dots in images that contain areas filled by dithering.
D009/D011/D012/D013
[0 to 1 / 0 / 1 ]
Executes the scanner free run of the shading
movement with exposure lamp on or off.
Press "OFF" to stop this free run. Otherwise, the free
run continues.
This SP is done before shipping the machine to another location.
Cycling the machine power off/on also returns the exposure lamp to
its home position.
[-1 to 1 / 0 / 0.1 mm ]
Moves the exposure lamp a short distance
and immediately returns it to its home
position.
Touch [Execute] > "Completed" > [Exit]
5-72 SM