Olivetti d-Color MF2552 plus Service Manual page 432

2NP
(6) The cautions at the time of movement of an exposure unit
Connector
Caution: When you move an exposure unit
manually, carry out after removing the connec-
tor of a scanner motor.
An ISC PWB may be damaged with the back
electromotive force of a scanner motor.
Scanner motor
Exposure unit
Figure 1-5-55
1-5-30
Service Manual Y116141-8