181.1281-1303-Printhead Firmware Control Errors Service Check - Lexmark Pro5500t Service Manual

Step
3 Check the J1, J2, and J3 cables and connectors for
proper connection and any damage. Reseat the
cables.
Are the cables and connectors properly
connected and free from any damage?
4 Check the cables connecting the printhead to the
carrier card for proper connection and any damage.
Are the printhead cables properly connected to
the carrier card and free from any damage?
5 Replace the printhead. See
on page
Does the problem remain?
6 Replace the carrier card. See
card removal" on page
Does the problem remain?
7 Replace the printhead carrier cables. See
parts packet" on page
Does the problem remain?
8 Replace the system board. See
removal" on page
Does the problem remain?
181.1281—1303—Printhead firmware control errors service check
Step
1 Turn off the printer by unplugging the power cord.
Wait for 10 seconds, and turn on the printer.
Resend the scan/copy job.
Does the problem remain?
2 Check the J18, J19, and J20 cables and connectors
on the system board for proper connection to the
carrier card. Also check them for damage. Reseat
the J18, J19, and J20 cables.
Are the cables and connectors free from
damage?
Check
"Printhead removal"
4-73.
"Printhead carrier
4-67.
7-8.
"System board
4-32.
Check
Yes
Go to step 4.
Go to step 5.
Go to step 6.
Go to step 7.
"Cable Go to step 8.
Replace the
printer.
Yes
Go to step 2.
Go to step 3.
Marketing Name
No
Do any of the
following:
• If the cables are
damaged, then go
to step 7.
• If the connectors
are damaged, then
go to 6.
Do any of the
following:
• If the cables are
damaged, then go
to step 5.
• If the connectors
are damaged, then
go to step 6.
Problem resolved
Problem resolved
Problem resolved
Problem resolved
No
Problem resolved
Do any of the
following:
• If the cables are
damaged, then go
to step 6.
• If connectors are
damaged, then go
to step 5.
2-62
Diagnostic information
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