Roland Advanced Jet AJ-1000 Service Notes page 210

SLIDER SENSOR
It detects the back and force origin of the capping
unit.
WIPER SENSOR
It detects the Wiper position.
MAINTENANCE LIQUID EMPTY
SENSOR
It detects whether the Maintenance Liquid is
empty or not.
INK CARTRIDGE IC
It detects whether the Ink Cartridge is
installed or not and communicates the ink
type and the remaining amount of the ink.
MAINTENANCE LIQUID CARTRIDGE IC
It detects whether the Maintenance Liquid Cartridge is
installed or not and communicates the ink type and the
remaining amount of the ink.
(Rear side of the
machine)
MAINTENANCE LIQUID PUMP SENSOR
It detects the origin of the Maintenance Liquid Pump.
5-3