Sharp MX-C250 Service Manual page 245

D.Scanner unit
No.
1 Drive belt
2 Glass
3 Rail
4 CIS unit
(1)Drive belt
1) Remove the scanner upper cover NE. .
Name
MX-C250 DISASSEMBLY AND ASSEMBLY 10 – 24
When removing the scanner upper cover, press No.1 and 2
pawls inside and slide no.3, 4 and 5 pawls outside.
2) Check the tension and wear of the drive belt shown in the figure.