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10-6 Functional Overview
HP DesignJet CP Series printers
Elevator Assembly
The Elevator Assembly is located under the Refill Assembly. Its function is
to raise and lower the four ink cartridges. The Elevator Assembly is raised
and lowered by three cams and a stepper motor.
D When the Elevator is in the up position it causes negative air pressure in
the Refill Assembly. This has the effect of drawing ink from the ink
cartridges into the printheads.
D When the Elevator is in the down position the air pressure is stabilized.
D The middle position enables the removal and installation of the four ink
cartridges.
X-Axis Assembly
The X-axis assembly is located on the right hand side of the printer and
contains a dc motor. This turns the drive roller via a worm drive and a helical
gear.
Electronics Module
Most of the electronics used by the printer are located in the electronics
module. This enables the electronics to be repaired by simple removing the
whole module, and replacing it with a new one. A new electronics module
consists of the following:
D Main PCA
D Power Supply Unit (PSU)
D Cooling Fan
Components which are not supplied with a new electronics module but are
located inside the module are:
D Hard Disk Drive (Only for HP DesignJet 2500CP/3500CP printer)
D MIO - Supports LAN connectivity
D Flash SIMMs (firmware)
D RAM SIMMs (memory modules)