Lexmark C950 Service Manual

Diagnostic information 2-235
5058-030
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7
Check the LED printhead assembly for proper
installation.
Install the LED printhead assembly properly, and
perform a print test. Go to “PRINT TESTS” on
page 3-22.
Does the problem remain?
Go to step 8. Problem
resolved
8
Check the LED printhead.
Replace the LED printhead.
Go to “LED printhead removal” on page 4-96.
Does the problem remain?
Go to step 9. Problem
resolved
9
Check the upper printer engine PCBA for proper
connectivity. Disconnect and reconnect all appropriate
cables.
Replace the upper printer engine PCBA.
Go to “Upper printer engine PCBA removal” on
page 4-181.
Perform a print test. Go to “PRINT TESTS” on
page 3-22.
Does the problem remain?
Problem solved. Replace the RIP
PCBA.
Go to “RIP
PCBA removal”
on page 4-144.
Step Check Yes No
1 Check the media condition.
Load new, dry, recommended media.
Reprint the defective image.
Does the problem remain?
Go to step 2. Problem
resolved
2
Check the media transfer route.
Is the media route free of contamination or debris?
Go to step 3. Remove debris
or
contamination.
Step Check Yes No
Leading edge
Trailing edge

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