Dell 5130cn, Service Manual

Page: 92 / 136

6 – 23
Chapter 6 Principles of Operation
Finisher Service Manual
Version 2 2009.06.10
3.5 Stacker Tray
The Stacker Tray holds the sheets ejected from the Compile Tray by shifting to an appropriate position
according to the height of the sheet stack.
3.5.1 Major Components and Their Functions
- STACKER HEIGHT SENSOR (PL 14.4.3)
* STACKER HEIGHT SENSOR 1/STACKER HEIGHT SENSOR 2
Detects the height of the sheet stack on the Stacker Tray based on the change of its actuator
position.
The MOTOR ASSY STACKER (PL 14.9.7) moves up or down the Stacker Tray based on the
detection results.
The following table shows the correspondence between the detection results and the moving direction
of the Stacker Tray.
Sensor 1 Detection Sensor 2 Detection Stacker Tray Movement Evaluation
Beam Blocked Beam Received Up Too Low
Beam Blocked Beam Blocked As Is Normal
Beam Received Beam Blocked Down Too High
!" #$
%
%
& '
( ) *
& ' ( ) *
)+
,
!" #$