Tray 1 Missing Service Check - Lexmark X746de Service Manual

Step Questions / actions
Turn the printer off, and then check the
3
continuity of the HVPS cable.
Pin 24
Pin 2
Is there continuity?
Replace the HVPS. See
4
power supply (HVPS) removal" on
page 4-110.
Did this solve the problem?
Print quality—vertical banding
Replace the developer cartridge.

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?
Go to step 4.
Pin 1
Pin 23
Pin 2
Pin 1
Problem resolved.
"High-voltage
Go to step 3.
Go to step 3.
Go to step 4.
Yes
Replace the cable
assembly.
Pin 23
Pin 24
Replace the system board.
See
removal" on page
Yes
Go to step 2.
Replace the tray.
Replace the paper pick
assembly. See
mechanism assembly
removal" on page
Diagnostic information
7526
No
"System board
4-157.
No
"Paper pick
4-130.
2-157
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