Tray 1 Missing Service Check - Lexmark X746de Service Manual

Step Questions / actions
1. Check the metal contact on the left of the
4
transfer module for any damage.
2. Check for any contamination, and clear any
contaminants with a piece of cloth.
Are the transfer module contacts damaged?
1. Open the front cover.
5
2. Check the spring contact that is in contact
with the transfer module for any damage or
contamination.
Is the spring contact damaged?
Replace the toner cartridge.
6
Does this fix the problem?
Replace the suspected photoconductor units.
7
Does this fix the problem?
Replace the transfer module.
8
Does this fix the problem?
1. Reseat the HVPS card.
9
2. Make sure the contacts is properly aligned
with the HVPS.
Does this fix the problem?

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?
Yes
Replace the transfer
module. See
"Transfer
module removal" on
page 4-188.
Replace the cartridge
contact spring. See
"Contact springs kit
removal" on page 4-70.
Problem resolved.
Problem resolved.
Problem resolved.
Problem resolved.
Yes
Go to step 3.
Go to step 3.
Go to step 4.
7526
No
Go to step 5.
Go to step 6.
Go to step 7.
Go to step 8.
Go to step 9.
Replace the HVPS. See
"High-voltage power
supply (HVPS) removal"
on page 4-118.
No
Go to step 2.
Replace the tray.
Replace the paper pick
assembly. See
"Paper pick
mechanism assembly
removal" on page 4-138.
Diagnostic information
2-161
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