Ricoh D124-17 Service Manual page 136

2. Installation
5. Use a wrench to adjust the height of each bolt to level the machine.
Front to back:
Right to left:
Manual Adjust Head Position
1. Press the
2. Touch [Maintenance].
3. Touch [Manual Adjust Print Head Position].
134
Not more than 5 mm from level
Not more than 0.15/1000 mm from level.
button on the operation panel.