Tray 1 Missing Service Check - Lexmark C746n Service Manual

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Tray 1 missing service check

Step
Questions / actions
1. Check if the tray assembly can close
1
properly.
2. Make sure the paper path is cleared of
jams.
3. Check for any damage.
Does the tray assembly close properly?
1. Clear the tray path of any obstruction.
2
2. Check for damage on the tray.
Is the tray free of damage?
1. Remove the tray and inspect the narrow
3
media flag on the paper pick assembly for
any damage.
2. Reseat the connector Jtray1 and JFDPCK
on the system board, then check for any
damage on the connectors.
Are the flag and cable connectors free of
damage?
1. Disconnect the cable in JTRAY1, and
4
connect the cable from the new paper pick
mechanism.
2. Bring the printer up in the Diagnostics
menu (turn off the printer, press and hold
buttons 3 and 6, turn on the printer).
3. Navigate to Sensor Tests > Dynamic
Sensors > Narrow Media.
4. Activate the narrow media sensor
Did the narrow media sensor status change on
the touchscreen?
Yes
Go to step 3.
Go to step 3.
Go to step 4.
Replace the paper pick
assembly. See
"Paper pick
mechanism assembly
removal" on page
4-145.
5026
No
Go to step 2.
Replace the tray.
Replace the paper pick
assembly. See
"Paper pick
mechanism assembly
removal" on page
4-145.
Replace the system board.
See
"System board
removal" on page
4-163.
Diagnostic information
2-139
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