Lexmark MB790MFP Service Manual page 171

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7462
Step
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)?
10
Perform a print test.
Does the problem remain?
Sensor (fuser output) lingering jam service check.
Use this procedure for the following jams:
• 202.01
• 202.12
• 202.35
• 202.57
• 202.76
• 202.86
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 door assembly, rear.
Is the above component properly closed?
2-134
Service Manual
Check
• 202.02
• 202.07
• 202.26
• 202.27
• 202.36
• 202.37
• 202.59
• 202.60
• 202.77
• 202.82
• 202.87
Check
Yes
Replace the fuser
Replace the
unit assembly.
connection.
Go to
"Fuser unit
assembly
removal" on
page
4-15.
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
motor assembly
removal" on
page
Contact next
Problem solved.
highest level of
tech support.
• 202.10
• 202.11
• 202.32
• 202.34
• 202.51
• 202.52
• 202.61
• 202.62
• 202.84
• 202.85
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.
Go to step 4.
Open then
properly close the
door assembly,
rear.
Previous
No
Next
Go Back
"Transfer
4-56.
"Main drive
4-20.
No

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