Lexmark C950 Service Manual

Diagnostic information 2-49
5058-030
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121.07 Heat belt (center) temperature increase failure
121.08 Heat belt (rear) temperature increase failure
121.09 Fuser temperature lag error
Step Action and questions Yes No
1 Check the fuser assembly.
Is the above component
properly connected?
Go to step 2. Remove foreign particles, and
replace the connections.
2
Replace the fuser assembly. Go
to
“Fuser assembly removal”
on page 4-78.
Does the error remain?
Go to step 3. Problem resolved
3
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 fuser assembly.
Is the above component
properly connected?
Go to step 2. Remove foreign particles, and
replace the connections.
2
Replace the fuser assembly. Go
to “Fuser assembly removal”
on page 4-78.
Does the error remain?
Go to step 4. Problem resolved
3
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 fuser assembly.
Is the above component
properly connected?
Go to step 2. Remove foreign particles, and
replace the connections.
2
Replace the fuser assembly. Go
to
“Fuser assembly removal”
on page 4-78.
Does the error remain?
Go to step 3. 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