Lexmark C950 Service Manual

Diagnostic information 2-55
5058-030
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132.01 ATC sensor (K) failure
3
Replace the fuser assembly. Go
to “Fuser assembly removal”
on page 4-78.
Does the error remain?
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 path from the toner
cartridge to the developer.
Is the above component free
from obstacles?
Go to step 2. Remove the toner blockages,
including internal clogs inside the
developer and toner cartridge.
2
Check the ATC sensor PCB.
Is the above component
properly connected?
Go to step 3. Replace the connections.
3
Remove the ATC sensor PCB.
Go to “ATC sensor PCB
removal” on page 4-26.
Does the error remain?
Go to step 4.
Problem resolved
4
Check the toner dispense motor
for proper operation.
When performing
motor tests, ensure
that all cover and
door interlock
switches are
overridden.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch PRINTER MOTOR
TESTS.
4. Touch K toner dispense
motor.
Does the above component
operate properly?
Go to step 6. Go to step 5.
5
Check the toner dispense motor
for proper connection.
Is the above component
properly connected?
Replace the toner dispense
motor.
Go to “Toner dispense motor
removal” on page 4-163.
Replace the connections.
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