Lexmark C950 Service Manual

2-234 Service Manual
5058-030
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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 four toner cartridges for proper installation.
Reprint the defective image.
Is the image density normal?
Problem solved. Replace any
empty toner
cartridges.
3
Check the LED beam route.
Check for debris between the LED printhead assembly
and the PC drum.
Check the four LED printhead assembly windows for
contamination.
Is the LED beam route free of debris and the glass
window, in the LED printhead assembly, free of
contamination?
Go to step 4. Remove debris
or clean the LED
printhead
assembly
window.
4
Check the 2nd transfer roller for contamination and
wear.
Is the 2nd transfer roller free of excess wear and
contamination?
Go to step 5. Replace the 2nd
transfer roller.
Go to “2nd
transfer roller
removal” on
page 4-24.
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
Replace the transfer belt assembly. Go to “Transfer
belt assembly removal” on page 4-168.
Does the problem remain?
Go to step 7. Problem
resolved
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