Ricoh D158 Service Manual page 498

Main SP Tables-4
[Set Scale Mask] (D158/D159)
[Scan Erase Margin] (D160/D161/D170)
Adjusts scanning margins for the leading and trailing edges (sub scan) and right
and left edge (main scan).
4012

Do not adjust unless the customer desires a scanner margin greater
than the printer margin.These settings are adjusted to erase shadows
caused by the gap between the original and the scale of the scanner
unit.
Book: Sub Ledge
001
(Leading Edge)
Book: Sub TEdge
002
(Traling Edge)
Book: Main Ledge
003
(Left Side)
Book: Main TEdge
004
(Right Side)
Scale ADF: Leading Edge
005
(D158/D159)
Scale ADF: Right
007
(D158/D159)
Scale ADF: left
008
(D158/D159)
D158/D159/D160/D161/D170
D158/D159
[0.0 to 3.0 / 1.0 / 0.1 mm / step]
ENG
D160/D161/D170
[0.0 to 9.0 / 1.0 / 0.1 mm / step]
D158/D159
[0.0 to 3.0 / 0.0 / 0.1 mm / step]
ENG
D160/D161/D170
[0.0 to 9.0 / 1.0 / 0.1 mm / step]
D158/D159
[0.0 to 3.0 / 1.0 / 0.1 mm / step]
ENG
D160/D161/D170
[0.0 to 9.0 / 1.0 / 0.1 mm / step]
D158/D159
[0.0 to 3.0 / 0.0 / 0.1 mm / step]
ENG
D160/D161/D170
[0.0 to 9.0 / 1.0 / 0.1 mm / step]
*ENG [0.0 to 3.0 / 0.0 / 0.1 mm / step]
*ENG
[0.0 to 3.0 / 0.0 / 0.1 mm / step]
*ENG [0.0 to 3.0 / 0.0 / 0.1 mm / step]
3-40 SM Appendix