Epson SRC520 Manual page 144

Maintenance 4.4 Motor Driver Module (Drive Unit)
(6)
(7) Connect the cable to a new Motor Driver module.
(8) Press down the module carefully and gradually to match the connectors on DPB and
(9) Secure the new Motor Driver module and fix the Upper Cover with two screws.
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Lift up the Motor Driver module so that the cable connected on the back can be
disconnected. Compress projections on both sides of the connector to disconnect the
cable smoothly.
DMB.
(9) M4 screws
(8) DPB connector
2) Pull out
1) Compress
(8) DMB connector