4-160 Service Manual
7510
12. Lift the separation roll guide assembly to its uppermost position.
13. Remove the actuator/media guide assembly. See “Actuator/media guide assembly removal” on
page 4-159.
14. Remove the two screws securing the sensor mount (A) to the ADF.
15. Slide the sensor mount (A) from the underside of the ADF transport roll (B), and move it out of the way.
16. Remove the tension spring (C).
17. Loosen the screw securing the tension bracket (D), and loosen the registration secondary drive belt (E)
tension.
18. Remove the plastic clip securing the registration roll drive pulley 28T (F).
19. Slide the registration secondary drive belt (E) from the registration roll drive pulley 28T (F).
20. Remove the ADF registration motor. See “ADF registration motor removal” on page 4-166.
21. Remove the registration roll drive pulley 28T (F).
22. Remove the bearing 8 mm (G) securing the ADF registration roll assembly (H) to the rear of the feed
assembly.
23. Remove the plastic clip securing the bearing 8 mm (I) of the front side.
24. Remove the bearing 8 mm (I) securing the ADF registration roll assembly (H) to the front of the feed
assembly.
25. Move the ADF registration roll assembly (H) frontward and upward.
26. Remove the ADF registration roll assembly (H).
Warning: Do not touch the rubber surface of the ADF registration roll assembly (H).
Replacement note: Before reinstalling the registration secondary drive belt (E), ensure that it is routed
properly.
Replacement note: Loosen and then retighten the two screws that set the belt tension after the tension
spring (C) is attached.
ADF feed-out roll assembly removal
1. Remove the platen cushion assembly. See “Platen cushion removal” on page 4-137.
1. Remove the ADF unit assembly. See “ADF unit assembly removal” on page 4-136.
2. Open the ADF left cover assembly.
Plastic
clip
I
G
C
E
F
D
Front
H
Plastic
clip
A
B
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