5-24
Confidential
(3) Change the detecting conditions, and then check that the indication on the LCD
changes according to the sensor states. For example, insert paper through the
Registration sensor, open the Ink cartridge cover or remove the ink cartridges.
(4) Press [Stop] or [X] to stop this operation and return the machine to the initial stage of
the maintenance mode.
Locations of Sensors
Head thermistor
Document detection sensor
Purge cam sensor
Black Ink cartridge
detection sensor
Yellow ink cartridge
detection sensor
Cyan Ink cartridge
detection sensor
Magenta Ink cartridge
detection sensor
Black Ink remaining
sensor
Yellow ink remaining
sensor
Cyan ink remaining
sensor
Ink cartridge cover
sensor
Magenta Ink
remaining
sensor
Document scanner sensor
High temperature detector in
the complex IC (for Main PCB)
Registration sensor
Document scanning
position sensor
Carriage motor driver temperature detection
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