Lexmark C 950 Service Manual

Preface xxxi
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Change history
Revision dateUpdates
2016/12/07• Updated “Finisher—media eject” on page A-68 to add PN 40X0825 Sensor (media eject clamp HP).
• Updated “Finisher—eject and compiler unit” on page A-69 to remove PN 40X0825 Sensor (media eject clamp HP).
• Updated “Miscellaneous” on page A-98 to remove PN 40X6306 (UICC cable to the display).
2016/10/25Updated Tray module controller PCBA removal on page 209 to add an installation note regarding the correct...

xxxii  Service Manual 5058-030  
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2012/08/01Updaed the Bridge PCBA (SFP) part number in Electrical 1 on page 48 of the parts catalog.
2012/07/02Added part number 40X0580 in Media feed 1 on page 20, Tray module media feed 1 on page 24, and TTM trays on page 29 in the parts catalog.
Revision date Updates 

Preface xxxiii
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Navigation buttons
This manual contains navigation buttons in the right margin of each page, making it easier and quicker to 
navigate. 
Button Description
Previous
Click   to move the document view backward by one page.
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xxxiv  Service Manual 5058-030  
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Conventions
Note:  A note provides additional information.
Warning:  A warning identifies something that might damage the product hardware or software.
There are several types of caution statements:
CAUTION
A caution identifies something that might cause a servicer harm.
CAUTION
This type of caution indicates there is a danger from hazardous voltage in the area of the 
product where you are working. Unplug the product before you begin, or use caution...

General information 1-1
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1.  General information
The Lexmark™ C950 are color SFPs that are are network ready, competitive and easy to use, with brilliant color 
output and fast print runs. Standard input capacities of these SFPs reach up to 3,660 sheets. Staple and hole 
punch finisher as well as booklet finishing options are also available.
Model
Options and features
Available options include:
•650-sheet duo drawer—a 550-sheet drawer with a 100-sheet multipurpose feeder...

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Printer specifications
Electronics
SFP 
Lexmark C950
Processor
Speed and type 1.2Ghz Freescale
Memory
Standard 1GB
Optional 256MB, 512MB 
and 1GB
Maximum printer memory 2GB
Hard drive 160GB*
Optional Flash memory 256MB
Option Slots 
ISP slots 1INA+1HDD
Wireless Option
4
Connections
Gigabit ethernet4
USB 2.0 high speed 4
Note: *Hard drive is optional.
Lexmark C950
Print Engine
Print technologyColor LED
Duplex outputStandard
Paper feed orientationShort...

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Connectivity (network support)
Operating modes
Network protocol
Lexmark C950
10/100/1000 Base TX Ethernet4
Standard USB2.0 High-speed device 
port4
USB-A host ports
(In front/back) 
Supported file 
types: .pdf, .gif, .jpeg, .jpg,.bmp, .png, .tiff, .tif, .pcx, .dcx
4
DirectUSB
Supported flash drives:
• Lexar FireFly 512 MB 
• Lexar FireFly 1 GB 
• SanDisk Cruizer Micro 512 MB 
• SanDisk Cruizer Micro 1 GB 
• Sony 512 MB
• Sony 1 GB
Supported file...

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Data streams
Dimensions
Clearances
Data streams
Lexmark C950
PostScript 3 Emulation4
PCL 6 Emulation4
XPS4
PPDS4
PDF v1.6 4
HTML4
Direct Image4
ModelHeightWidthDepthWeight
Lexmark C950420 mm (16.5 in.)622 mm (24.5 in.)557 mm (21.9 in.)54.2 kg (119 lbs)
Optional 550-sheet Drawer135 mm (5.3 in.)590 mm (23.2 in.)539 mm (21.2 in.)14 kg (31 lbs)
DescriptionClearances
Lexmark C950
1
Right side100 mm (4 in.)
2Front610 mm (24 in.)
3Left side385 mm (24 in.)...

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Environment specifications
EnvironmentSpecifications
Operating
Air temperature—operating10.0 to 32.00° C (50 to 90° F) 
Air relative humidity—operatingRelative Humidity 15 to 85%
Altitude0–2,500 meters (8,200 ft.)
Atmospheric pressure760 mmHG,  1,013 HPa
Ambient operating environment*15.6 to 32.2° C (60 to 90° F) and 8% to 80% RH
Ship / Storage
Cartridges—packagedUp to 1 month from the date of manufacture when kept in 
storage (non-condensing) in...

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Media handling
Input and output sources
Media input size specifications
Sheet numbers are assuming 
20 lb. xerographic paperLexmark C950
Standard input sources
Media trays 520 sheets
Multipurpose Feeder 
capacity100 sheets
Total standard input 
capacity620
Duplex
Type of duplex Standard
Standard output sources
Standard output bin 500
Input source
520-sheet tray2,000-sheet DrawerMP feederManual paperManual EnvelopeDuplexADFScanner glass
A4 210 x 297...