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Lexmark C950 Service Manual

Lexmark C950
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2-158 Service Manual
5058-030
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381.19 Sensor (punch carriage shift HP) lag jam
Step Action and questions Yes No
1 Check the punch carriage by
moving it manually.
Does the above component
slide back and forth properly?
Go to step 2. Remove obstacles.
2
Check the sensor (punch
carriage shift HP) for proper
operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR
TESTS.
4. Touch Sensor (punch
carriage shift HP).
Does the display on the
operator panel change every
time the sensing area of the
above sensor is interrupted or
blocked?
Go to step 4. Go to step 3.
3
Check the sensor (punch
carriage shift HP) for proper
connection.
Is the above component
properly connected?
Replace the sensor (punch
carriage shift HP). Go to
“Sensor
(punch carriage shift HP)
removal” on page 4-325.
Replace the connection.
4
Check the punch carriage shift
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 FINISHER MOTOR
TESTS.
4. Touch Punch carriage shift
motor (forward).
5. Touch Punch carriage shift
motor (rearward).
Does the above component
operate properly?
Go to step 6. Go to step 9.
5
Check the punch carriage shift
motor for proper connection.
Is the above component
properly connected?
Replace the punch carriage shift
motor. Go to
“Punch carriage
shift motor assembly removal”
on page 4-306..
Replace the connection.
6
Perform a POR.
Does the error continue when
the power is turned off/on?
Replace the finisher PCBA. Go to
“Finisher PCBA removal” on
page 4-281.
Problem resolved

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Lexmark C950 Specifications

General IconGeneral
Print Resolution1200 x 1200 dpi
Duplex PrintingYes
Processor Speed1.2 GHz
ConnectivityEthernet, USB
Print TechnologyLaser
Print Speed50 ppm
Monthly Duty Cycle300000 pages
Recommended Monthly Page Volume5, 000 - 33, 000 pages
Memory1024 MB
Hard DriveOptional
Output Capacity500 sheets
InterfaceUSB 2.0
Media TypePlain paper, Card stock, Labels, Envelopes, Transparencies
Total Media Capacity5140 sheets
Media SizesLetter, Legal, A4, A5, Executive, Folio, Statement
Operating Systems SupportedWindows, Mac, Linux

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