Lexmark C950 Service Manual

2-40 Service Manual
5058-030
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115.06 Single LED printhead mismatch failure
115.07 Multiple LED printhead read failure
115.08 Single LED printhead read failure
Step Action and questions Yes No
1 Check the LED printhead.
Is the correct LED printhead
installed?
Check the LED printhead
installation and connections.
Install with the correct LED
printhead. Go to “LED printhead
removal” on page 4-105.
Step Action and questions Yes No
1 Check the LED printhead for
proper connections.
Is the above component
properly connected?
Go to step 2. Replace the connections.
2
Replace the printhead interface
contact.
Does the error remain?
Go to step 3. Problem resolved
3
POR the machine.
Does the error continue?
Replace the lower engine PCBA
card assembly.
Go to “Lower engine PCBA
removal” on page 4-98.
Go to step 4.
Problem resolved
4
POR the machine.
Does the error continue?
Replace the upper printer engine
PCBA.
Go to “Upper printer engine
PCBA removal” on page 4-181.
Problem resolved
Step Action and questions Yes No
1 Check the LED printhead for
proper connections.
Is the above component
properly connected?
Go to step 2. Replace the connections.
2
Replace the printhead flat data
cable
Does the error remain?
Go to step 3. Problem resolved
3
Replace the printhead interface
contact.
Does the error remain?
Go to step 4. Problem resolved

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