Theory of operation
Schematics
Electronics are based on 3 main components:
●
E-box - contains the power supply and all the PCAs (driving the printer), plus the Ethernet port.
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Carriage PCA - drives the printhead.
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Front Panel - user interface and USB port.
The following diagram describes the connections between components and electronic boards and the data
line type for T920, T1500 and T2500.
Block Diagram
(HP Designjet T3500 eMultifunction Series only)
ENWW Theory of operation 5