Lexmark C950 Service Manual

Diagnostic information 2-231
5058-030
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Vertical stripes (process direction)
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
Are the media transfer route and the media path free
of contamination or debris?
Go to step 3. Remove debris
or
contamination.
3
Check the 2nd transfer roller for contamination and
wear.
Is the 2nd transfer roller free of excess wear and
contamination?
Go to step 4. Replace the 2nd
transfer roller.
Go to “2nd
transfer roller
removal” on
page 4-24.
4
Check the four PC cartridges for proper installation.
Check the PC cartridge connections.
Are the PC cartridge connections free of excess
wear and contamination?
Go to step 5. Correct and
clean
contaminated
pins, or replace
the appropriate
PC cartridge or
connector.
5
Replace the transfer belt cleaner. Go to “Transfer belt
cleaner removal” on page 4-172.
Does the problem remain?
Go to step 6. Problem
resolved
6
Check the heat belt and pressure roll in the fuser
assembly for scratches or defects.
CAUTION: The fuser assembly might be hot.
Allow the fuser assembly to cool.
Remove the fuser assembly.
Is there contamination or cracks on the heat belt
and/or pressure roll?
Replace the
fuser assembly.
Go to “Fuser
assembly
removal” on
page 4-78.
Go to step 7.
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