Sensor (Punch Unit Side Reg) On Failure - Lexmark X850e Service Manual

Step Check
5 Is the media eject motor assembly connected
properly?
6 Check the media eject clutch assembly.
Perform the media eject clutch test.
Remove the rear upper cover. Go to Go to
upper cover removal" on page
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch Finisher Tests.
4. Touch Media eject clutch.
Does the media eject clutch assembly produce an
audible clicking noise?
7 Is the media eject clutch assembly connected
properly?
8 Perform a print test.
Does the error still occur?

988.00 Sensor (punch unit side reg) on failure

Note: This procedure pertains to sensor punch unit reg1 and reg2.
Step Check
1 Check the punch carriage by moving it with your
fingers.
Does the punch carriage move back and forth
smoothly?
Yes
Replace the
media eject
motor assembly.
Go to
eject motor
assembly
removal" on
page
Go to step 8.
"Rear
4-101.
Replace the
media eject
clutch assembly.
Go to
eject clutch
assembly
removal" on
page
Replace the
finisher controller
card assembly.
Go to
controller card
assembly
removal" on
page
Yes
Go to step 2.
7500-XXX
No
Replace the
connection.
"Media
4-155.
Go to step 7.
Replace the
connection.
"Media
4-154.
Problem solved.
"Finisher
4-195.
No
Remove
obstructions.
Diagnostic information
2-139