Tray 1 Sensor Service Check - Lexmark X543 series Service Manual

7525xxx

Tray 1 sensor service check

Step Questions / actions
1 When the printer is in Ready state, pull the
standard tray out. The display should indicate
Tray 1 Missing. Insert the tray.
Does the message remain on the display?
2 Check the vertical well at the right rear of the
tray for damage.
Is the tray damaged?
3 Check for a dislodged sensor.
Is the sensor dislodged?
4 Does the message Tray 1 Missing fail to appear
when the tray is pulled out?
5 Turn off the printer, and remove the rear shield.
"Rear shield removal" on page
Disconnect the cable at JTRAY1 connector on
the controller board. Turn the printer on, and
measure the voltages below:
Pin
Are the voltage values approximately correct?
2-62
Service Manual
4-7.
JTRAY1
Voltage
1 +5 V dc
2 +5 V dc
3 Ground
Lexmark confidential until announce
Yes
Go to step 2.
Replace the tray.
Replace the tray 1 sensor.
Go to step 5.
Problem resolved.
No
Go to step 4.
Go to step 3.
Contact the next level of
support.
Problem resolved.
Replace the controller
board. See "Controller
board removal" on
page 4-16.