Step 5: Attach The Rear Cover - Roland LEC-300A Setup Manual

3. Assembling and Installing

Step 5: Attach the Rear Cover

Procedure

Secure the left and right rear-cover stays in place with the screws.
Use a commercially available Phillips screwdriver.
Rear-cover stay (left)
 Engage the rear cover on the left and right rear-cover stays.
Engage.
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Screws
Back of the machine
Rear cover
Screws
Rear-cover stay (right)
Engage.