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Tray (x) sensor service check
Step
Questions / actions
1
When the printer is in Ready state, pull the
standard tray out. The display should indicate
Tray (x) 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 tray present sensor.
Is the sensor dislodged?
Does the message Tray (x) Missing fail to
4
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 for
tray1 or JOPT1 for tray 2 and 3 on the
controller board. Turn the printer on, and
measure the voltages below:
Check these voltages for Tray 2 and 3
Are the voltage values approximately correct?
2-60
Service Manual
JTRAY1 for tray 1
Pin
Voltage
1
+5 V dc
2
+5 V dc
3
Ground
JOPT1 for tray 2
or 3
Pin
Voltage
2
Ground
3
Ground
5
+24V
6
Ground
7
+5V
9
Ground
10
Ground
Yes
Go to step 2.
Replace the tray.
Replace the tray 1 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 assembly.
Go to step 5.
Problem resolved.
4-7.
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
4-18.
Y112730-2
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