Xerox 3050 Service Manual page 176

Check the platen for excessive wear.
Replace the Platen as required, refer t o
(PL 5.1).
Ensure that the Upper (White) Platen is
seated correctly, not damaged, or
bound. Repair the Platen as required,
refer t o (PL 5.1).
Check the Document Drive Rolls for
excessive wear or contamination. Clean
and1 or replace the Rolls as required,
refer t o (PL 5.2).
Check the Document Handler right and
left End Caps for damage. Ensure that
the Locating Tabs are not broken.
Replace the Caps as required, refer t o (PL
5.1).
10. The Document Pinch Rolls may be dirty
or contaminated. Clean the Rolls as
required, refer t o (PL 5.1).
1 1. The Pinch Rolls Load Springs, Roll Yokes
or associated parts may be worn, broken
or not positioned correctly. Repair or
replace the components as required,
refer t o Figure 1 and (PL 5.1).
TE: The Upper Document Handler
Assembly contains (9) Idler Roll
Assemblies. Each assembly contains
(2) Load Springs. Each Spring has a
notch, refer to Figure 3. Each pair o f
springs must have the notches
oriented so that, the notches face
the same direction.
12. Check the Document Drive Belts, Pulleys,
and Bearings for wear or contamination.
Clean or replace the components as
required, refer t o (PL 5.2).
13. Check the Document Stop Position (ADJ
5.2).
UPPER
YOKES
1
Figure 1. Location of Load Spring Notch
~ 2 1 1 9
1
OF 5 Document Handling Problem RAP