EPSON Stylus Pro 10000/10000CF/10600 Revision D
Operating Principles Printer Mechanism Components 63
PLATEN GAP ADJUSTMENT SECTION
the carriage (=head) mounting location always needs to keep regular distance to the
space for printing precision maintenance.
In this printer, as the gap between the form printing face and also head nozzle face
become regular according to paper thickness, the print head nozzle face is variable
structure.
The sub carriage that fixed the print head on the carriage that makes the carriage 2 body
structure and become a base is being installed. For the sub carriage moves it in vertical
direction to the space. The cam is used to this mobile system. From the home location
of cam (=PG), for sub carriage to space period changes into linear. When the carriage
is in HP location (the right edge) the gear that was attached on the PG motor and sub
carriage drives the cam, motor revolution (reverse) and cause the sub carriage
positioned to specified gap location.
Doing the paper thickness that is used to 3 stages of the PG small (1.3 mm)/the middle
(2.2 mm)/large (2.7 mm) the class division, to keep the distance between the print head
nozzle face and form regularly.
Ink viscosity receives the influence to temperature. The thermistor for temperature
detection is built to each print head, to control ink protrusion speed/protrusion quantity
to same even if temperature changes.
Figure 2-4. Carriage device department-PG adjustment department
The explanation of the sensor that is used in platen gap adjustment department is as
follows.
HD_SLID (head gap starting point detection) sensor
The mechanical origin (the home) the location detection at the time of
modification actuation for the sub carriage location (the head height from the
space) on the carriage. Being using the reflection style photograph sensor that was
attached to I/S frame the hole location of the gear that was attached on the sub
carriage is being detected. When sensor output is becoming the constitution that
becomes "off" (Less than 2.0V) with the location that the sub carriage dropped
most and be actuated detection, sensor output that the head lowers from the
location that rose upward makes the point that changed to "on" (Over 3.0V) from
"off" the mechanical origin and recognize.
CR
guide
rail
HD_SLID sensor
Slide motor
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