Epson ES Series - Internal Layout

13. Protected Model Maintenance Part 2: Maintenance
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13.3 Internal Layout
The outline and name of internal configuration are shown below.
Signal relay board
U1 belt
Joint #4 middle axis
U2 belt
Joint #3 motor
Joint #4 motor
Upper
bellows
Joint #2 motor
Lower
bellows
Z belt
Joint #1 motor
Cable seal box
User cable duct
Cable unit
Joint #1 reduction
gear unit
Joint #2 reduction
gear unit
Ball screw
spline
shaft
Extension
shaft