FujiFilm FCR XG-1 Service Manual page 1035

(3) Using a moistened cloth, clean the driving-shaft grip roller (lower) and the IP running
surface (guide) on the driving-shaft side.
[Clean] Moistened cloth
IP running surface (guide)
Driving-shaft grip roller (lower)
11.8 Reinstalling the Subscanning Unit
(1) Reinstall the driving-shaft grip roller (upper).
"11.7 Subscanning Unit (Cleaning the Driving-Shaft Side Guide/Rollers)
(2) Reinstall the light-collecting guide.
N NOTE N
While looking into the peep hole, verify that the φ 4 mm hole is visible.
010-051-00
10.10.2000 FM2887 (1)
[Clean] Moistened cloth
HHS Label
No.2
CR-IR346RU Service Manual
HHS Label
No.2
FR6H6055.EPS
Peep hole
φ 4mm hole
PM - 48
FR6H6082.EPS
PM - 48