Lexmark X95x series Service Manual page 235

Step Action and questions
Check the sensor (punch unit
2
side reg 1) connection.
Is the above component
properly connected?
Check the sensor (punch unit
3
side reg 2) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch SENSOR TESTS.
3. Touch FINISHER SENSOR
TESTS.
4. Touch Sensor (punch side
reg 2).
Does the display on the
operator panel change every
time the sensing area of the
above sensor is interrupted or
blocked?
Check the sensor (punch unit
4
side reg 2) connection.
Is the above component
properly connected?
Check the punch carriage shift
5
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 (forward).
Does the above component
operate properly?
Check the punch carriage shift
6
motor for proper connection.
Is the above component
properly connected?
Perform a POR.
7
Does the error continue when
the power is turned off/on?
Yes
Replace the appropriate sensor
(punch unit side reg pair). Go to
"Sensor (punch unit side
registration pair) with bracket
removal" on page 4-396.
Go to step 5.
Replace the appropriate sensor
(punch unit side reg pair). Go to
"Sensor (punch unit side
registration pair) with bracket
removal" on page 4-396.
Go to step 7.
Replace the punch carriage shift
motor. Go to
"Punch carriage
shift motor assembly removal"
on page 4-374.
Replace the finisher controller
PCBA. Go to
"Finisher PCBA
removal" on page 4-350.
7558-xxx
No
Replace the connection.
Go to step 4.
Replace the connection.
Go to step 6.
Replace the connection.
Problem resolved
Diagnostic information
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