Lexmark Pro5500 Series, Service Manual

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Printhead stall service check
6 Check the J1, J2, and J3 cables on the printhead carrier
card for proper connection and damage. Reseat the cables.
Are the cables properly connected and free from
damage?
Go to step 7. Do any of the
following:
• If the cables
are
damaged,
then
replace the
printhead
carrier
assembly
cables. See
“Cable
parts
packet” on
page 7-8
.
• If the
connectors
are
damaged,
then go to
step 7.
7 Replace the printhead carrier card. See “Printhead carrier
card removal” on page 4-67 .
Does this solve the problem?
Problem
resolved Go to step 8.
8 Replace the printhead. See “Printhead removal” on
page 4-73 .
Does this solve the problem?
Problem
resolved Go to step 9.
9 Replace the system board. See “System board removal”
on page 4-32 .
Does this solve the problem?
Problem
resolved Go to step 10.
10 Replace the print engine assembly. See “Print engine
assembly removal” on page 4-84 .
Does this solve the problem?
Problem
resolved Replace the
printer.
Step Check Yes No
1 Turn off the printer by unplugging the power cord.
Wait for 10 seconds, and turn on the printer.
Does the problem remain?
Go to step 2. Problem resolved
2
Check for any obstruction on the carrier path.
Manually move the carrier assembly left to right to
check if it can move easily.
Is the carrier path free from obstruction and the
carrier assembly free from any damage?
Go to step 3. Go to step 12.
3
Check if the carrier belt is not dislodged from its
gears, and can move together with the carrier
assembly.
Is the carrier belt free from any damage?
Go to step 4. Go to step 12.
Step Check Yes No