Lexmark Pro5500 Series, Service Manual

Page: 117 / 277

Diagnostic information
2-74
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3 Check the connection of the tubes on both the IPV and
MPV sides. Check the connection of the tubes to the
manifold junction. Make sure that all the tubes are
connected properly, and penetrate the black neoprene
tubes by about 6 mm.
Are the tubes connected properly?
Go to step 4. Connect the tubes
properly.
4 Check the tubes for any damage, holes, and punctures.
Are the tubes free from any damage, holes, and
punctures?
Go to step 5. Do any of the
following:
• If the tubes on
the IPV side
are damaged,
then go to step
8.
• If the tubes on
the MPV side
are damaged,
then go to step
10.
5 Check if the IPV and MPV will initialize during POST.
Manually turn the IPV and MPV to check if they are
damaged.
Are the valves damaged?
Go to step 6. Do any of the
following:
• If the IPV is
damaged, then
go to step 7.
• If the MPV is
damaged, then
go to step 10.
6 Check the pump motor for any damage. Check if it spins
during POST.
Is the pump motor free from any damage?
Go to step 7. Go to step 9.
7 Replace the tank receiver assembly with inlet. See
“Tank receiver assembly with inlet removal” on
page 4-79
.
Does the problem remain?
Go to step 8. Problem resolved
8
Replace the system board. See “System board
removal” on page 4-32 .
Does the problem remain?
Go to step 9. Problem resolved
9
Replace the print engine assembly. See “Print engine
assembly removal” on page 4-84 .
Does the problem remain?
Replace the
printer. Problem resolved
Step Check Yes No