Oki IP-6620 Maintenance Manual page 521

(2) If the linear encoder is too low, raise the
REGISTRATION-ENCODER.
3.
When the adjustment is finished, tighten
the two screws securing the
REGISTRATION-ENCODER.
4.
Move the carriage manually to the home
position, and check that the linear
encoder vertical position is correct.
If not correct, adjust the position again so
that it is correct in both maintenance
area and home positions.
5.
Check the linear encoder horizontal
position in both home and maintenance
area positions. Adjust the horizontal
position if not correct.
7-46
LINEAR ENCODER ASSY(MW)
OKI Data Infotech Corporation CONFIDENTIAL
Chapter 7 Adjustment
REGISTRATION-ENCODER