Ricoh D127 - Page 266

System Service Mode
D127/D128 3-10 SM Appendix
2103* Erase Margin Adj.
2103 1 Leading Edge
[0 to 4 / 3 / 0.1 mm/step]
2103 2 Trailing Edge
2103 3 Left
[0 to 4 / 2 / 0.1 mm/step]
2103 4 Right
2104* Unit LD Power Adj.
2104 1 LD1
[60 to 140 / 100 / 0.1 %/step]
2104 2 LD2
2105* LD Power Adjustment
2105 1
[60 to 140 / 100 / 0.1 %/step]