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Functional Overview
10-2
HP DesignJet 5000 Series Printers Service Manual
Introduction
This Chapter contains a simplified description of the HP DesignJet
5000/5000PS Printer.
In total there are 4 Models with the following Part Numbers:
Electrical System
The electrical system of the Printer consists of six major blocks and
their associated cabling:
n Power Supply Unit: Connected to the mains supply of whichever
country this block provides 24V, 5V, 3.3V and -15V to the rest of
the electrical system. It has a soft power switching feature
allowing the firmware to control when power is removed from
the system, and eliminates the need for high tension cables to the
front panel.
n Main Electronics: This block contains the I/O, central processing
units and controls most of the motors and sensors in the printer.
The motors and sensors themselves are located throughout the
printer and are connected to the main electronics via cables.
n Carriage: Connected to the Printheads, this block supplies power
to them, as well as monitoring and protecting them from damage.
It also has the ability to control warming and to perform
continuity checking, as well as controlling the Line Sensor. The
Carriage Encoder is also located in this block.
n Ink Supply Station: The Ink Supply Station is connected to the
Ink Cartridge supplies, and controls air pressure (pump, sensor
and valve), as well as monitoring ink levels and the supply latch
sensor.
n Service Station: Contains the electronics needed to perform drop
detection, a DC motor/encoder for capping, wiping and spitting
and a stepper motor for priming.
n Front Panel: is the user interface. It consists of an LCD display, a
key panel and four LEDs.
Model HP DesignJet 5000 HP DesignJet 5000PS
Size 42" 60" 42" 60"
Part No. C6090A C6095A C6091A C6096A