Epson DFX-8500 Service Manual page 163

Step 6: If the angle difference of two values are more than + 0.015 mm, loosen (but do not remove) the two
hexagonal screws securing the platen stay to both side frames, then change the platen angle slowlly
and manually.)
Step 7: Tighten two hexagonal screws securing the platen stay to both side frames.
After perform the adjustment, confirm the value of platen parallelism again. When this value is out of
order, readjust the platen parallelism and the platen angle adjustment until the value to be correct.
Rev. B
Figure 4-16. Measuring Angle Difference 2
CAUTION
ADJUSTMENT
4-11