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EPSON Stylus Photo 750 Revision A
Operating Principles Overview 29
† Pump Mechanism
This mechanism consists of Pump and Cap parts.
„ Cap Parts
This protects the surface of print head nozzle from being dry or
from being attached with dust.
„ Pump Parts
This part receives motive power from the PF motor and
absorbes bubbles and viscous ink on the print head nozzle by
using the motor rotation and drains them to the waste ink pad.
† Carriage Lock Mechanism
This prevents the print head from separating from the cap parts by
the shocks from outside. Using the motive power from the PF motor,
this mechanism controls the lock lever, which secures the carriage,
and fixes or releases the carriage.