22 Printer systems
Printer systems
Service Station and Waste management
The main function of the Service Station is to maintain the Printheads of the Carriage assembly and to
manage the Waste Ink. The Service Station and Waste Management can be split into three subsystems:
• PHC servicing: Comprising Cap, wiping and priming functions
• Waste: Holds spit, ink collection and containment.
• Aerosol: Collection and filtration of aerosol generated in Spit
Components
SVS Mech
The SVS mechanics provides the movement for the Printhead cleaning Maintenance Cartridge, which
integrates the capping and wiping functions and the Web Wipe assembly, which provides the means in
which to advance the Web Wipe accurately.
Primer
The Primer executes the blow primer functionality to the Printheads. Air pressure to perform the prime
operation is drawn from the Ink Supplies, and prime pulse is controlled by solenoid valves.
Printhead Cleaner Maintenance Cartridge
The Printhead Cleaner Maintenance Cartridge is a customer consumable that holds the main components
for wiping and capping. It also contains some ink priming functionality.
Drop detector
The drop detector is a sensor that analyzes the nozzle health of all the pens. The drop detector has a
window where it is placed with the ink funnel. The ink funnel divides the window in two different parts,
the flying spittoon and the drop detector spittoon where nozzles are fired to check their status. The nozzles
out that are detected are compensated for by using other nozzles to keep a good print quality.
The drop detector has an infrared LED and a photodiode aligned in a beam light. This beam light can be
blocked by the ink funnel if it is not placed correctly.
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