Lexmark C950 Service Manual

2-42 Service Manual
5058-030
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115.11 Multiple LED printhead communication failure
4
Replace the printhead interface
contact.
Does the error remain?
Go to step 5. Problem resolved
5
Check the PC/developer drive
motor assembly.
Is the above component
properly installed?
Go to step 6. Replace connections and
re-install the PC/developer drive
motor assembly.
6
POR the machine.
Does the error continue?
Replace the lower engine PCBA.
Go to “Lower engine PCBA
removal” on page 4-98.
Go to step 7.
Problem resolved
7
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 installation.
Is the LED Printhead properly
installed?
Go to step 2. Install the LED printhead
properly.
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
4
POR the machine.
Does the error continue?
Replace the lower engine PCBA.
Go to “Lower engine PCBA
removal” on page 4-98.
Go to step 5.
Problem resolved
5
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

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