Lexmark C950 Service Manual

3-106 Service Manual
5058-030
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Tray 3 or 4 media tray assembly
TTM media feed units
Media feed unit assembly
Since the tray 3 and tray 4 are functionally equivalent in terms of the switch (TTM media size), sensor (media
out), sensor (media level) and sensor (pre-feed), only the components of one tray are described here.
The media feed unit assembly is a mechanical unit supplying media from the media tray assembly to the printer.
The driving force from the media feed lift motor on the media feed unit assembly is transmitted to the three roll
assemblies to feed media.
When the pick roll picks up sheets of media and the remaining media decreases, the media level actuator of the
sensor (media level) lowers accordingly.
Media feed lift motor
The media feed lift motor is activated to feed media and to lift the bottom plate. While feeding media, it rotates
forward to drive the pick roll. When lifting the bottom plate, it rotates in reverse to drive the tray module gears to
turn the lift up shaft.
Switch (media size)
This switch (media size) sets the size of media supplied from each media tray assembly. A signal indicating the
media size is transmitted as a voltage to the printer engine card assembly.
Rear lift cables
Rear media guide
Bottom plate
F/R lift cable
F/L lift cable

Lexmark C950 Specifications

General

Print Resolution	1200 x 1200 dpi
Duplex Printing	Yes
Processor Speed	1.2 GHz
Connectivity	Ethernet, USB
Print Technology	Laser
Print Speed	50 ppm
Monthly Duty Cycle	300000 pages
Recommended Monthly Page Volume	5, 000 - 33, 000 pages
Memory	1024 MB
Hard Drive	Optional
Output Capacity	500 sheets
Interface	USB 2.0
Media Type	Plain paper, Card stock, Labels, Envelopes, Transparencies
Total Media Capacity	5140 sheets
Media Sizes	Letter, Legal, A4, A5, Executive, Folio, Statement
Operating Systems Supported	Windows, Mac, Linux