Tray 1 Media Size Sensing Service Check - Lexmark C78x Service Manual

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Tray 1 media size sensing service check

The printer does not sense the size of the media installed in Tray 1.
Note: If there is a problem when installing Tray 1, Tray 1 is difficult to remove or does not stay locked in
position, go to "Tray 1 service check" on page
Step Actions and questions
1 Make sure tray 1 is installed and seated correctly in the
printer.
Is the tray correctly installed?
2 Is another 500-sheet tray available?
3 Try another 500-sheet tray in place of the internal
tray 1 paper tray.
Does this fix the problem?
4 Check tray 1 for broken parts, especially the teeth on
the back restraint.
Is the back restraint broken or any of the teeth broken
or missing?
2-118
Service Manual
2-117.
Yes
Go to step 2
Go to step 3
Go to step 4
Replace the back
restraint.
No
Install tray 1
correctly. If there
is still a problem,
go to "Tray 1
service check"
on page 2-117.
Go to step 4
Go to the "Tray 1
media size
sensing service
check" on
page 2-118.
Replace the tray
assembly.