Lexmark C540n Service Manual page 91

Step Questions / actions
Check the vertical wall at the right rear of the
2
tray for damage.
Is the tray damaged?
Check for a dislodged tray present sensor.
3
Is the sensor dislodged?
Does the message Tray (x) Missing fail to
4
appear when the tray is pulled out?
Yes
Replace the tray.
Replace the option tray
present sensor.
• If the 650 sheet tray is
affected replace the 650
sheet drawer assembly.
• If the 550 sheet
assembly is affected,
replace the entire 550
sheet drawer assembly.
Go to step 5.
5025-2xx, 4xx
No
Go to step 3.
Contact the next level of
support.
Problem resolved.
Diagnostic information
2-55
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