Lexmark T650 Series Service Manual

Diagnostic aids 3-85
4062-XXX
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250-sheet/550-sheet tray assembly
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
Media size SW 1 SW 2 SW 3
Unknown OFF OFF OFF
A4 OFF OFF ON
Legal OFF ON OFF
B5 OFF ON ON
A5 ON OFF OFF
Executive ON OFF ON
Letter ON ON OFF
Custom ON ON ON
Rear media tray guide
Lockable back restraint
Media end guide
Auto size finger actuator

Lexmark T650 Series Specifications

General

Print Technology	Monochrome Laser
Print Speed	Up to 45 ppm
Print Resolution	1200 x 1200 dpi
Monthly Duty Cycle	Up to 200, 000 pages
Standard Output Capacity	250 sheets
Processor Speed	500 MHz
Connectivity	USB, Ethernet
Maximum Paper Size	8.5 x 14 inches
Operating System Compatibility	Windows, Mac OS, Linux
Memory	128 MB, expandable to 640 MB
Standard Input Capacity	650 sheets