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HP Designjet L25500 Printer series - Page 13

HP Designjet L25500 Printer series
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Printer systems 5
Printer systems
They are converted to voltages that can be used internally in the ’E-box’ for driving the electronics, motors
etc. This input is also used by the curing heater.
Power Input for the Dryer Assembly
This input is solely used by the resistors in the Dryer Assembly.
Circuit diagram
The following diagram shows the connections between the components and the ebox.
Carriage Electronics
The Carriage contains the electronics for controlling and firing the Printheads. It also contains electronics
for controlling the external sensors (SOL and Tetris) as well as the Scan Axis Encoder.
The electronics of the Carriage receives power and data from the Trailing cables, which conveys both
Power (+45V) and Data (LVDS) cables. The Power cable connects the Carriage with the Printmech board
and Data cable connects Carriage with the Main (Engine) board)
Components
Carriage PCA
The Carriage PCA contains the electronics to control how and when the ink is dropped in every print head
and receives the information from the sensors.

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