Olivetti d-Copia 6500MF Plus Service Manual page 663

(3) Detaching and refitting the engine PWB
Procedure
1. Remove the controller box (see page 1-5-74).
2. Remove twenty connectors of following from the engine PWB.
YC1, YC2, YC7, YC8, YC9, YC13, YC15, YC,16, YC17,YC18, YC19, YC20, YC22, YC26, YC27
YC4(Connector type FFC), YC5(Connector type FFC)
YC6(Connector type FFC),
YC11(Connector type FFC),
YC50 (FFC connector with a lock)
*: To remove the FFC from the locked connector YC50, unlock the connector by pressing the lock lever at
the triangular mark.
*: Before removing the connector type FFCs of YC4, YC5, YC6 and YC11, unlock the lock by pressing the
lock lever in its center.
YC26
YC2
YC13
Engine PWB
Y116520-3
YC9
YC7
YC8
YC22
YC20
U100
YC50
Engine PWB
1-5-83
YC19
Figure 1-5-132
Service Manual
2N8/2N7