Paper Jam Service Check - Lexmark C77x Service Manual

Step Actions and questions
10 Is the registration home sensor operating correctly?
11
Use the
on page
Does the LED flash 8 times?
12 Make sure the pick home sensor cable is installed
correctly to the sensor and to CN6 on the system
board.
Is the cable connected correctly?
13 Is the registration home sensor operating correctly?
14 Use the Standalone Feeding Operation Test to
determine where the paper jams. Use the
system board LED error code table" on page 2-84
to help isolate problems in the feed unit assembly.
Are you able to determine where the failure is
occurring?
250.xx paper jam service check
Unable to clear the message—multipurpose feeder loaded
Note: A 250 Paper Jam displays when using a multipurpose feeder.
Step Actions and questions
1 Make sure the media in the MPF meets specifications.
Does media meet specifications?
2
Does the media feed correctly from tray 1?
3 Is the Paper Type setting correct for media in the
MPF?
4 Check the media is loaded properly. The side restraint
should not be too tight. The leading edge of the media
should be sitting on the friction buckler.
Is the media correctly loaded?
"HCIT system board LED error code table"
2-84.
Yes
Replace the
following FRUs in
the order shown:
1. HCIT system
board
2. Feed unit
assembly.
Go to step 12
Go to step 13
Replace the
following FRUs in
the order shown:
1. HCIT system
board
2. Feed unit
assembly.
Repair or replace
"HCIT parts as
necessary.
Yes
Go to step 2
Go to step 3
Go to step 4
Go to step 5
5061
No
Replace the
following FRUs in
the order shown:
1. Registration
sensor
2. HCIT system
board.
Go to step 14
Install the cable
correctly.
Replace the
following FRUs in
the order shown:
1. Registration
sensor
2. HCIT system
board.
Replace the feed
unit assembly.
No
Inform user that
the media in the
MPF does not
meet
specifications.
Go to"Tray 1
service check"
on page 2-115.
Correct the
Paper Type
setting.
Properly load the
media.
2-47
Diagnostic information