Sheet/550-Sheet Tray Assembly; Media Size Sensing - Dell 5535dn Service Manual

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250-sheet/550-sheet tray assembly

Rear media tray guide

Media size sensing

The media size set for the media tray assembly is set by positioning the right media guide, unlocking the slider
lock, and sliding the rear paper guide. The rear paper guide triggers the movement of the auto size sensing
finger, which then sets the switches of the controller card board. The combination of ON/OFF position of the
three switches provides information of the media sizes to the engine.
Note: Media size sensing through ON/OFF switch combination
Lockable back restraint
Auto size finger actuator
Media size
Unknown
A4
Legal
B5
A5
Executive
Letter
Custom
Media end guide
SW 1
SW 2
OFF
OFF
OFF
OFF
OFF
ON
OFF
ON
ON
OFF
ON
OFF
ON
ON
ON
ON
SW 3
OFF
ON
OFF
ON
OFF
ON
OFF
ON
Diagnostic aids
3-75

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