Primer
The primer executes the blow-primer functionality for the printheads. Air pressure to perform the prime
operation is drawn from the ink supplies, and the prime pulse is controlled by solenoid valves.
Maintenance cartridge
The maintenance cartridge is a customer consumable that holds the main components for wiping and
capping, and collecting ink from servicing operations.
Drop detector
The drop detector is a sensor that analyzes the nozzle health of all the printheads. The drop detector has a
window where it is placed; there, nozzles are fired to check their status. Nozzles that are out are detected
and compensated for by using other nozzles in order to maintain high print quality.
The drop detector has an infrared LED and a photodiode aligned in a beam light. This beam light can be
blocked if it is not placed correctly.
ENWW Service station and waste management 37
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