Ricoh D124 Detailed Descriptions Manual page 127

Here are some important to keep in mind:
 Once the carriage has been rased to either the Weak (1 mm) or Strong (2 mm)
position, these settings remain in effect until the operator repeats the selection
procedure.
 The print heads can be capped with the carriage raised to the Weak and Strong
positions.
 However, bi-directional printing is not allowed with the print heads raised. The
setting must be switched OFF (standard) to use bi-directional printing.
Detailed Descriptions 121 D124