3.15
Rear Cover Sensor (HL-5150D/5170DN)
(1) Disconnect the connector, and then remove the rear cover sensor.
Rear cover sensor
3.16
Laser Unit
(1) Remove the filter, and then remove the cup S M3x8 Taptite screw and the air duct.
Taptite, cup S M3x6
Filter
Connector
Fig. 4-72
Air duct
Fig. 4-73
4-41
HL-5130/5140/5150D/5150DN Service Manual