Olivetti d-Color MF2613En Service Manual page 262

(Detaching the ISU)
54. Lift up the machine right end of the
shaft to come off from the locking hole
of the scanner frame, and then pull out
the shaft in the machine right direction.
*: Confirm the end of the ground spring
surely fits the groove F of the shaft when
reattaching.
55. Slightly lift up the ISU and remove the
ISU drive belt from the groove locking
the ISU drive belt.
Service Manual
Shaft
Figure 1-5-116
Figure 1-5-117
1-5-72
ISU
Locking hole
Groove F of
the shaft
Ground spring
Groove for locking
the ISU drive belt
ISU drive belt
2PV/2PW-2
Shaft
Y116650-5