Carriage pca, Front panel pca – HP 250C User Manual
Page 58
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5Ć16 Functional Overview
C4699Ć90000
Carriage PCA
The carriage PCA is based on that of the DesignJet 650C. It connects to the main PCA
through a long60Ćconductor (2x30) trailingcable. The carriage PCA contains:
D Optical line sensor
D Thermistor circuit
D Linear encoder
D Cartridge nozzle firing circuit
Some electronic components on the DesignJet 250C and 350C carriage PCA are not present
on the DesignJet 230 and 330 carriage PCA. At powerĆon the plotter firmware identifies
whether the carriage is for a color or a monochrome model, and behaves accordingly.
Front Panel PCA
The plotters use the same frontĆpanel PCA as the DeskJet 550 and DesignJet 220.
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