Ricoh D131 Service Manual page 594

2101 Printing Erase Margin
These settings adjust the erase margin for the leading, trailing, left, and right
edges.
1 Leading Edge
[0 to 9/2.5/0.1 mm], Specification: 3±2 mm
2 Trailing Edge
[0 to 9/2/0.1 mm], Specification: 3±2 mm
3 Left Edge
[0 to 9/2/0.1 mm], Specification: 2±1.5 mm
4 Right Edge
[0 to 9/2/0.1 mm], Specification: 2±1.5 mm
2104 Small Pitch Banding Reduction
1 Reduction Mode 0
Switches on/off the setting that corrects uneven images generated during 1200
dpi printing.
[0 to 1/1]
1: On
0: Off
Unevenness may appear in dot patterns or narrowly spaced horizontal lines,
i.e. some areas may appear lighter or darker than others.
2 Reduction Mode 0
Adjusts the amount of correction for uneven images generated during 1200 dpi
printing.
[–20 to +10/0/1]
SM Appendix 3-19
SP2000 Drum
D131/D132/D133