Paper Size Sensor (Psu); Toner Sensor (Ttr) - Brother HL-2400C Service Manual

4.3.8

Paper Size Sensor (PSU)

Note:
If the optional lower tray unit is fitted, remove the left hand screw of the front cross rail to
release the media cassette guide.
1) Remove the media cassette.
2) Remove the set screws ST3X6 (1 pc.) from the media cassette guide (L) assembly.
3) Pull the media cassette guide toward you while pushing the front catch to release the
guide from the plastic catches (4 pcs.).
4) Remove the paper size sensor connector.
5) Remove the media cassette guide (L) assembly from the frame.
6) Remove the set screws BT3X8 (2 pcs.) holding the paper size sensor to the cassette
guide (L).
7) Remove the paper size sensor.
Paper Size Sensor
Note:
When assembling the media cassette guide, be sure to correctly locate the front catch
and other 4 catches.
4.3.9

Toner Sensor (TTR)

1) Remove the set screws ST3X6 (3 pcs.) from the toner sensor PCB.
2) Disconnect and remove the toner sensor PCB.
Catch
Fig.7-52
Fig.7-53
VII-32
Front catch
Media cassette
guide (L)
Toner Sensor
(TTR)