Oki OKIFAX 5400 Maintenance Manual page 257

2 Switzerland (40044102)
This section gives the following instruction.
• DIP switch setting
• Instructions of marking with red oil ink.
For detail, see the figure below.
ON
1 2 3 4
Magnified figure
D A C H
X 1 X 2
Marking a portion "CH" with red oil ink.
40838301TH Rev.1 8 - 17