Sensor (Narrow Media) Late Jam Service Check - Lexmark T650 Service Manual

4062

Sensor (narrow media) late jam service check.

Use this procedure for the following jams:
• 201.04
• 201.56
Step
1 Check the media size setup and tray guides for all media
trays.
Does the media size, in use, match the size set for all media
trays?
2 Check all the media trays for proper media installation.
Is the media properly installed in all the media trays?
3 Check the fuser unit assembly for damage and life
expiration.
Is the above component damaged or has it exceeded life?
4 Check the fuser unit assembly for obstructions.
Is the above component free from obstructions?
5 Check the sensor (narrow media) for proper operation.
1. Enter the diagnostic mode
2. Select Base sensor tests
3. Observe the line item "output"
Does the display on the operator panel, change every time
the sensing area of the above sensor is interrupted or
blocked.
6 Check the above sensor for proper connection.
Is the above sensor connected properly?
7 Check the aligner assembly for obstructions.
Is the above component free from obstructions?
8 Check the transfer roll assembly for damage.
Is the above component free from damage?
9 Perform a print test and check the main motor assembly.
Is the media properly transported and able to reach the
sensor (fuser output)?
2-132
Service Manual
• 201.06 • 201.29
• 201.79 • 201.81
Check
• 201.31 • 201.54
Yes
Go to step 2. Replace the
media, or change
the media size
setup.
Go to step 3. Remove and
properly re-install
the media.
Replace the fuser Go to step 4.
unit assembly.
Go to "Fuser unit
assembly
removal" on
page 4-22.
Go to step 5. Remove
obstructions.
Go to step 7. Go to step 6.
Replace the fuser Replace the
unit assembly. connection.
Go to "Fuser unit
assembly
removal" on
page 4-22.
Go to step 8. Remove
obstructions.
Go to step 9. Replace the
transfer roll
assembly.
Go to
roll assembly
removal" on
page
Go to step 10. Replace the main
drive motor
assembly.
Go to
cover assembly
removal" on
page
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No
"Transfer
4-80.
"Output
4-53.