Xerox ii LINXSolid Inkjet 100 Service Manual page 165

As long as the belts, cap/wipe/purge assembly motor, and the belt clips
(which hold the cap/wipe/purge assembly) are not disturbed, no
adjustment is needed.
However, if you replace one or both of the belts or the cap/wipe/purge
drive motor, you must ensure that the belts are in alignment (timing)
with each other; this ensures that the cap/wipe/purge assembly is
perfectly aligned to the faceplate of the printhead. If the belts are not
aligned, the printhead purging is ineffective, due to poor sealing
between the printhead faceplate and the cap/wipe/purge assembly.
1. Ensure that the cap/wipe/purge assembly is properly installed.
Also ensure that the cap/wipe/purge drive motor is installed in
place and that both the left- and right-side drive belt locks are
assembled correctly.
2. Rotate the large drive gear to pull the cap/wipe/purge assembly
to about the middle of its travel in the chassis frame slot.
3. Ensure each drive belt lock is tightened to its fourth tooth, as
illustrated in Figure 4-7.
4. Position the left-side drive belt lock so its pointer points
between the index mark on the printer frame.
5. Holding the left belt so it does not move, inspect the right-side
drive belt lock's pointer. It should point at the index marks on
the right-side printer frame.
If the right-side pointer does not point to the index mark while
the left-side belt lock is between its marks, loosen the right
drive belt by removing the lower idler pulley and adjusting the
belt so that it aligns with the timing mark.
6. Repeat until the right-side belt lock's pointer points at the
index mark on the right-side frame as the left-side belt lock's
pointer points between its index marks on the left-side frame.
Adjustments 4-21