Roland VersaEXPRESS RF-640 Service Notes page 154

Remove the Linear Encoder Board with the Stay by the Print
9
Carriage Board vertically as shown in the fi gure.
Remove the Linear Encoder Board from the Stay.
10
Then, fi x the new the Linear Encoder Board to the Stay
Fix the Linear Encoder Board with the Stay by standing the
11
Print Carriage Board vertically as shown in the fi gure.
Make sure that the En-
c o d e r S c a l e d o e s n ' t
make contact with the
Encoder Module, and
also Encoder Scale is
between the slit of the
Encoder Module.
Connect the Linear Encoder Board Cable and the Head Up
12
Down Sensor Cable to the Print Carriage Board.
Module
Encoder Scale
3-80
Linear Encoder Board with the Stay
Linear Encoder Board
Stay
Linear Encoder Board with the Stay