Brother DCP-J4110DW Service Manual page 303

LCD
FC *1 Document cover sensor
VT Head thermistor
T1 High temperature detector in the complex IC
(for main PCB)
*1
Exclusive to duplex scanning models
(3) Change the detecting conditions (e.g., insert paper through the registration sensor, open the
ink cartridge cover or document scanner, or remove the ink cartridges), and then check that
the indication on the LCD changes according to the sensor states.
(4) Press the X key to stop this operation and return the machine to the initial stage of the
maintenance mode.
Document detection
sensor
Head thermistor
Document
scanning
position sensor
Document
cover sensor
Document
scanner sensor
High temperature detector in the complex IC
(for main PCB)
Sensors
Registration sensor
Purge cam sensor
Magenta ink cartridge
detection sensor
Switchback paper
sensor
Locations of Sensors and Actuators
5-24
Sensing status (display/no display)
Cover closed/Cover opened
Normal temperature/Abnormal temperature
Normal temperature/Abnormal temperature
Ink absorber full sensor
Black ink cartridge
detection sensor
Yellow ink cartridge
detection sensor
Yellow ink
remaining sensor
Cyan ink
remaining sensor
Magenta ink
remaining sensor
Ink cartridge cover sensor
Cyan ink cartridge
detection sensor
Black ink
remaining sensor
(5_003_1_E)
Confidential